MALICIOUS — 8cb12a26bdbf562c843a2c3960f7f814bb37de1c832da3cbdd1ce6b54bb8a850

MALICIOUS — 8cb12a26bdbf562c843a2c3960f7f814bb37de1c832da3cbdd1ce6b54bb8a850 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Pidgeon family. 10 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

SHA-256: 8cb12a26bdbf562c843a2c3960f7f814bb37de1c832da3cbdd1ce6b54bb8a850
SHA-1: 59ec15e6ae984214783ac08c22dfb50ced592734
MD5: be70d56042ef992f1de62fd90792007c
imphash: 01392ca861cf87b8d28ad9ea90016bb4
ssdeep: 24576:M5UEWvWL0vbH4/izRXTOkMtrIceMaFPjkjD29W4/izRXTOkMtrIceMaFPjkjD29:bA0vbHakOElMaFLkfakOElMaFLk
TLSH: T128586B8A8626E761E2F1DF501C024D4CE0A0B7B9A1BE5D8C46D7802F6BF616B53490DF
Submitted as: 8cb12a26bdbf562c843a2c3960f7f814bb37de1c832da3cbdd1ce6b54bb8a850
File type: pe · Size: 1645673 bytes
Verdict: malicious (100/100) · Family: Pidgeon

Detections (10 of 56 engines)

capa (capabilities): capability:collection/keylog
MalwareAnalyser heuristics (entropy/packer): ASPack
ClamAV (daily): Win.Packed.Pidgeon-9909600-0
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
YARA: Yara-Rules community: YR_AntiDebug_Checks
Detect It Easy (packer/type): DIE:Microsoft Linker
Microsoft Defender: Worm:Win32/AutoRun!pz
Emsisoft (Emergency Kit): Gen:Heur.Mint.Autorunner.1
Trellix Stinger (McAfee): W32/Worm-GBW!BE70D56042EF
Kaspersky (KVRT): Worm.Win32.AutoRun.vx

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 16 weighted signals:

ClamAV (daily) flagged Win.Packed.Pidgeon-9909600-0 (rule Win.Packed.Pidgeon-9909600-0) - engine signal, weight 0.90, confidence 0.95
2 behavioral detection(s) across 2 rule(s): Registry Run Key Persistence [high] (rule tl-run-key) - dynamic signal, weight 0.63, confidence 0.90
Microsoft Defender flagged Worm:Win32/AutoRun!pz (rule Worm:Win32/AutoRun!pz) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Gen:Heur.Mint.Autorunner.1 (rule Gen:Heur.Mint.Autorunner.1) - engine signal, weight 0.55, confidence 0.85
Trellix Stinger (McAfee) flagged W32/Worm-GBW!BE70D56042EF (rule W32/Worm-GBW!BE70D56042EF) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Worm.Win32.AutoRun.vx (rule Worm.Win32.AutoRun.vx) - engine signal, weight 0.55, confidence 0.85
YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70
Observed at runtime: Registry Run Key Persistence (T1547.001) (rule Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90
capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
Contacted 2 external host(s) and 16 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
Detect It Easy (packer/type) flagged DIE:Microsoft Linker (rule DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70
capa (capabilities) flagged capability:collection/keylog (rule capability:collection/keylog) - engine signal, weight 0.35, confidence 0.70
MalwareAnalyser heuristics (entropy/packer) flagged ASPack (rule ASPack) - engine signal, weight 0.35, confidence 0.70
Packing/obfuscation: ASPack, high-entropy-sections:.text, Microsoft Linker - static signal, weight 0.25, confidence 0.55
Dropped 22 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60

Dynamic analysis (windows)

25429 behavior events · 1 ATT&CK techniques · 23 dropped files.

Dropped files

C:\Program Files\Adobe\Acrobat DC\Acrobat\NGL\cefWorkflow\adobe_licensing_wf_acro.exe - b8a9d5807917687ab25ef2c5759f7f1520fda63f734924b93c86e5524d0e7f68
C:\Program Files\7-Zip\7zFM.exe - af33745b142e182b70e76bd9a2d35b8ff499b4afc49c89ef179cd88410b7a434
C:\Program Files\Adobe\Acrobat DC\Acrobat\NGL\cefWorkflow\adobe_licensing_wf_helper_acro.exe - 377693e2ca6eefba36f61373194f572541a409cb10808b8c71d52897a6df3e8f
bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5
C:\Program Files\Adobe\Acrobat DC\Acrobat\Assets\MenuCoreApp\AcroShareTarget.exe - 56e5a993238b086fbcccfa388488a8e862cf3c136d3cdfe2cbfcb804f3e91c4a
C:\Program Files\Adobe\Acrobat DC\Acrobat\OSSLLibs\AdobeFips.exe - 6595361475b44d18b2f557d272171da7ded2bd426c603e7e3018f41ead3795c5
C:\Program Files\Adobe\Acrobat DC\Acrobat\NGL\cefWorkflow\adobe_licensing_wf_acro.exe - a8ba0b5b638472ec0d22ef92f8cbabd734f661e8d56364b7abf8974eb7e6c167
C:\Program Files\Adobe\Acrobat DC\Acrobat\plug_ins\pi_brokers\64BitMAPIBroker.exe - 6a78dba30ca10f3addef5b1683bd7bc97e98ce03c9e6ae7056845ee1b70b7d10
C:\Program Files\Adobe\Acrobat DC\Acrobat\AcroCEF\SingleClientServicesUpdater.exe - 63156ae4b122e6f9584581782b64327bfbf60d31ae39de283fd5beeea5aa6746
C:\Program Files\7-Zip\7zG.exe - 71bca81c60bebc6179ab3ff6d030d4a135c9aaefd42b80d19ad0c87d124bc5bb
C:\Program Files\7-Zip\7z.exe - 634d38c0c414178e2f35de5cc0fb29aa082eec227e630c4481e1af7694980ac9
C:\Program Files\Adobe\Acrobat DC\Acrobat\AcroCEF\SingleClientServicesUpdater.exe - 959f6fb534266e771292a055a75ef0d425e7e7126d5f14723703a8fe756df84d
C:\Program Files\Adobe\Acrobat DC\Acrobat\AcroCEF\AcroCEF.exe - 7f65f5ae08cc5a15df0c7d70e3fc3ba5b4f083dcbdc02170423867257ffaf076
C:\Program Files\7-Zip\7zG.exe - 7b5eda73c21960c451ea3148900b28cdbac7180e43047fbc944028096e497c08
C:\Program Files\Adobe\Acrobat DC\Acrobat\plug_ins\pi_brokers\32BitMAPIBroker.exe - da6d0544ee3a6b75f3c5c545213b10ec93a15d5213e5232e7e224a29ecb91d6b

Embedded URLs

http://schemas.microsoft.com/SMI/2005/WindowsSettings
http://www.digicert.com/ssl-cps-repository.htm0
http://crl3.digicert.com/assured-cs-2011a.crl03
http://crl4.digicert.com/assured-cs-2011a.crl0
http://cacerts.digicert.com/DigiCertAssuredIDCodeSigningCA-1.crt0
http://ts-aia.ws.symantec.com/tss-ca-g2.cer0
http://ts-crl.ws.symantec.com/tss-ca-g2.crl0
http://crl.thawte.com/ThawteTimestampingCA.crl0
http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
http://www.microsoft.com/pki/certs/MicCodSigPCA_08-31-2010.crt0
http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
http://office.microsoft.com
http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
http://c.pki.goog/r/r1.crl
http://x2.c.lencr.org/
http://ye.c.lencr.org/
http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
http://yr.c.lencr.org/

Embedded domains

crash-reports.mozilla.com
schemas.microsoft.com
www.digicert.com
cacerts.digicert.com
crl3.digicert.com
crl4.digicert.com
ts-aia.ws.symantec.com
ts-crl.ws.symantec.com
crl.thawte.com
crl.microsoft.com
www.microsoft.com
office.microsoft.com
x1.c.lencr.org
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

20.184.175.23
20.247.185.124
52.123.252.239
4.230.171.124
162.159.142.9
52.110.12.14
52.110.12.21
85.210.193.152
40.84.97.4
52.148.114.188
20.42.65.90
20.42.65.93
72.145.35.106
52.110.12.28
52.110.12.42

File paths

c:\MyTarget:
f:\RedBits\Tools\devdiv\FinalPublicKey.snk
c:\builds\moz2_slave\rel-m-rel-w32_bld-000000000000\build\obj-firefox\browser\app\firefox.pdb
X:\:`:d:h:l:p:t:x:
F:\Office\Target\x86\ship\postc2r\x-none\orgchart.pdb
L:\:o:z:
V:\:r:x:
N:\:i:f;~;
V:\:b:h:n:t:z:

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report