MALICIOUS — 6dc72509122dd7bb11ff06a97e1f0cc6343c05b478477c56ea297179561cafa4

MALICIOUS — 6dc72509122dd7bb11ff06a97e1f0cc6343c05b478477c56ea297179561cafa4 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Delf family. 8 of 56 detection engines flagged it, exhibiting 7 ATT&CK techniques.

Identification

SHA-256: 6dc72509122dd7bb11ff06a97e1f0cc6343c05b478477c56ea297179561cafa4
SHA-1: 0fb323b443d49afa10845bb774521d5913b04f49
MD5: 4c9594c6a66dc35724b2133f720cbe50
imphash: 31d1c48ee7d8e07a5706e963146db875
ssdeep: 3072:vKtfDEsjPhczEcJwTYHZpz5GVEtzhdD/bcSx5G5JjMtxe/3rRJ0:StfDEsjPhcztSTyZpz5GyhdDMFWUP0
TLSH: T189426CEC521B2593D3BAD9B11D059E9C8422B4AD217464AD0F03CCBFB2E6C37A8F1159
Submitted as: 6dc72509122dd7bb11ff06a97e1f0cc6343c05b478477c56ea297179561cafa4
File type: pe · Size: 213672 bytes
Verdict: malicious (100/100) · Family: Delf

Detections (8 of 56 engines)

YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
ClamAV (daily): Win.Trojan.Delf-1564
YARA: delivr.to detections: DLV_Maldoc_VBA_AutoExec
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
YARA: Yara-Rules community: YR_AntiDebug_Checks
Microsoft Defender: Virus:Win32/Viking.JX
Emsisoft (Emergency Kit): Dropped:Generic.Malware.PWB!dld!Pk!.69063F94
Kaspersky (KVRT): Virus.Win32.Delf.62976

MITRE ATT&CK

YARA

Windows_Injection_Api_Combo

Why this verdict

The malicious score of 100/100 is the fusion of 18 weighted signals:

ClamAV (daily) flagged Win.Trojan.Delf-1564 (rule Win.Trojan.Delf-1564) - engine signal, weight 0.90, confidence 0.95
Process injection API combination (rule Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90
YARA: delivr.to detections flagged DLV_Maldoc_VBA_AutoExec (rule DLV_Maldoc_VBA_AutoExec) - engine signal, weight 0.70, confidence 0.70
Microsoft Defender flagged Virus:Win32/Viking.JX (rule Virus:Win32/Viking.JX) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Dropped:Generic.Malware.PWB!dld!Pk!.69063F94 (rule Dropped:Generic.Malware.PWB!dld!Pk!.69063F94) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Virus.Win32.Delf.62976 (rule Virus.Win32.Delf.62976) - 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: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
Contacted 16 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
YARA: MalwareAnalyser built-in flagged Windows_Injection_Api_Combo (rule Windows_Injection_Api_Combo) - engine signal, weight 0.35, confidence 0.70
Embedded network infrastructure: http://www.lookde5.com/1.exe - static signal, weight 0.35, confidence 0.60
1 behavioral detection(s) across 1 rule(s): Discovery: enumerates installed security software [low] (rule tl-security-software-discovery) - dynamic signal, weight 0.20, confidence 0.90
communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
Dropped 98 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

63167 behavior events · 2 ATT&CK techniques · 101 dropped files.

Dropped files

C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jrunscript.exe - c0ef12d7daedbee675645d4c0d5f323394600ce358bb3d80e9ffbac2869e8d6f
C:\Program Files\LibreOffice\program\python-core-3.12.13\bin\venvlauncher.exe - 42e8e87311fa73fc00a25098a3432aa9fbedee639acb17aa5f376eef4d490553
C:\Program Files\Adobe\Acrobat DC\Acrobat\AcroTextExtractor.exe - ef90f37920592aea18b745787c3cdde83c9ce8994e42baed7e73bb09494ec9c6
C:\Sysmon64.exe - aa9a9286b7a1770ccfe78617135006d3933ca1533d6c8741cc034e7720c744f6
C:\Program Files\7-Zip\7zG.exe - 3c39f38c26d591f129d651f8b504e94fa9ae29f4e1c3e7022eea6af885e298fc
C:\Program Files\LibreOffice\program\python-core-3.12.13\lib\pip\_vendor\distlib\w32.exe - 3b49e36a9444a5506a41510acc973b60c58990ecdd58f4471c0db51d11841832
C:\Program Files\Adobe\Acrobat DC\Acrobat\CRLogTransport.exe - 5d621367782752ba9f2e71aaa335388a30c957bce4d2b0237505af9e6fcacae0
C:\Program Files\LibreOffice\program\unopkg.exe - 23348bc8f7d69904b4987cbb9f47ce989443e84df52430293ea2d670d9061b1d
bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5
C:\Program Files\Adobe\Acrobat DC\Acrobat\Eula.exe - 3cd2669dcab9b52800f02d122968a5417c4493a61940a73b4237cb65c53ce0ff
C:\Program Files\Adobe\Acrobat DC\Acrobat\ADNotificationManager.exe - 9e3f336dd1c818c7de0c11e79eddce1388ffd3c597e24443aa7067ad5efa15bc
C:\Program Files\LibreOffice\program\gpgme-w32spawn.exe - e87d031b70b24f7186049fba1bca551d7215f2d26071bdfa3de3ab2028c02b9b
C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jaccessinspector.exe - 319ad4af7f8de691e4fcf76997bfaf1cc1398a6a1eb77e63dc49e05fa20f8941
C:\Program Files\LibreOffice\program\python-core-3.12.13\lib\setuptools\cli-64.exe - 170f32a23596ac1f06971ad3edf7bf0a4fcc6d327376739649df6ff83aec02f3
C:\Program Files\LibreOffice\program\soffice.exe - 1644aedcba27f1d13cf0ef8f32c36a25e33578736bb24b7172ecc74e8fa30fa8

Embedded URLs

http://www.lookde5.com/1.exe
http://java.com/inst-dl-redirect
https://www.digicert.com/CPS0
http://crl3.digicert.com/sha2-assured-cs-g1.crl05
http://crl4.digicert.com/sha2-assured-cs-g1.crl0L
http://crl3.digicert.com/sha2-assured-ts.crl02
http://crl4.digicert.com/sha2-assured-ts.crl0
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

www.lookde5.com
jnlp.tk
macosx.jnlpx.dock.name
mozilla.org
cacerts.digicert.com
crl4.digicert.com
crl3.digicert.com
www.digicert.com
java.com
x1.c.lencr.org
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

192.168.0.30
192.168.8.1
4.150.223.99
20.247.185.124
4.230.171.124
172.64.154.167
172.66.2.5
135.233.45.223
4.247.188.224
52.148.114.188
72.153.5.62
52.110.12.33
52.110.12.32

File paths

c:\jenkins\workspace\8-2-build-windows-amd64-cygwin\jdk8u281\880\build\windows-amd64\deploy\tmp\jp2launcher\obj64\jp2launcher.pdb

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report