MALICIOUS — 91f7f12a1eadfeb239fb7e8a1830947798bc046a6a0c0f48b9bb44219f725a9d

MALICIOUS — 91f7f12a1eadfeb239fb7e8a1830947798bc046a6a0c0f48b9bb44219f725a9d is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Lmir family. 6 of 56 detection engines flagged it, exhibiting 6 ATT&CK techniques.

Identification

SHA-256: 91f7f12a1eadfeb239fb7e8a1830947798bc046a6a0c0f48b9bb44219f725a9d
SHA-1: 111773df7be31c4c667ee1b668b33b6225f28365
MD5: c8ce7540edfea4e3dbbb3cab834fb8e1
imphash: aae410db5a351d384de2e35faf59497e
ssdeep: 6144:rajdMJyFRe6azHqTGXHaeaEtOcYA8X9Sc:E2JylsKTUHYcYA83
TLSH: T18B487CAE161F2703D277CA282800DBDE4462F4EA447D75CD1B93847DE3EAC27ADA1119
Submitted as: 91f7f12a1eadfeb239fb7e8a1830947798bc046a6a0c0f48b9bb44219f725a9d
File type: pe · Size: 355158 bytes
Verdict: malicious (100/100) · Family: Lmir

Detections (6 of 56 engines)

capa (capabilities): capability:collection/keylog
ClamAV (daily): Win.Trojan.Lmir-22
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
Microsoft Defender: Virus:Win32/Viking.MR
Emsisoft (Emergency Kit): Dropped:Generic.Delf.Lmir.2EC949F5
Kaspersky (KVRT): Trojan-GameThief.Win32.Lmir.gen

MITRE ATT&CK

Why this verdict

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

ClamAV (daily) flagged Win.Trojan.Lmir-22 (rule Win.Trojan.Lmir-22) - 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 Virus:Win32/Viking.MR (rule Virus:Win32/Viking.MR) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Dropped:Generic.Delf.Lmir.2EC949F5 (rule Dropped:Generic.Delf.Lmir.2EC949F5) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Trojan-GameThief.Win32.Lmir.gen (rule Trojan-GameThief.Win32.Lmir.gen) - 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
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
Contacted 17 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
capa (capabilities) flagged capability:collection/keylog (rule capability:collection/keylog) - engine signal, weight 0.35, confidence 0.70
persist via registry run key (rule persist via registry run key) - capa signal, weight 0.35, confidence 0.60
enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
Dropped 56 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
Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

45523 behavior events · 3 ATT&CK techniques · 60 dropped files.

Dropped files

C:\Windows\SOS.exe - 9abe7ab9f7a2a413752c82ef9a230c6f8a67244e87c7ff9f954d6bd1cb885647
C:\Program Files\Adobe\Acrobat DC\Acrobat\acrobat_sl.exe - 14ec08e2dbcaf2b99d73dff5734468aaf16bb044f093c34b4057b77bd31e0085
C:\Program Files\Adobe\Acrobat DC\Acrobat\NGL\cefWorkflow\adobe_licensing_wf_acro.exe - b8a9d5807917687ab25ef2c5759f7f1520fda63f734924b93c86e5524d0e7f68
C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jaccessinspector.exe - 384b837606b219aa9b49b86a7d979087c9004de102e2a3ef1563c42e3e6419c2
C:\Program Files\7-Zip\Uninstall.exe - 7529d494d8cab87a4e5eb88873db3eb6037d35835800580e445050727deaddc5
C:\Program Files\Adobe\Acrobat DC\Acrobat\NGL\cefWorkflow\adobe_licensing_wf_helper_acro.exe - 377693e2ca6eefba36f61373194f572541a409cb10808b8c71d52897a6df3e8f
bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5
C:\Program Files\Google\Chrome\Application\151.0.7922.174\os_update_handler.exe - 64edca8d9d47383455d79d8decf4e62781888f622b0d4ca2f55ad19e3b6c20ee
C:\Program Files\Adobe\Acrobat DC\Acrobat\AcrobatInfo.exe - 287368126b575a4a299e06a3a165ab8b80ef4883bfcb863461e28183657ce691
C:\Program Files\Google\Chrome\Application\151.0.7922.174\notification_helper.exe - 68561c74c5fdcb60d55890ec5e578a8b55af4f505a5231a2bdb9d7a5ff568694
C:\Program Files\Adobe\Acrobat DC\Acrobat\plug_ins\pi_brokers\32BitMAPIBroker.exe - 74594cecfe01b81fa3050499e85197bfd0dd35f4ab9d8e6b5d60b7333a44daa9
C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jfr.exe - 1e2c14c4c5bef4c0d20e024cdf055295c37232dd38ea119b3de0aa2cf422c74a
C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jabswitch.exe - e8493cc228338ae057d84cc6e3bee7f0d7717f041bf855901bd7092f31ee1022
C:\Program Files\Adobe\Acrobat DC\Acrobat\x86\Acrobat\Acrobat.exe - 698f79937dc7b693633e00453acea137673a666e8b98c796d14fb8a41df1fdac
C:\Program Files\Adobe\Acrobat DC\Acrobat\OSSLLibs\AdobeFips.exe - 02f10aed1d677b54ebb6a425c0c339c6f7bcfa957295c077a63ae6d1340c899f

Embedded URLs

http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
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

crl.microsoft.com
www.microsoft.com
x1.c.lencr.org
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

4.207.44.76
4.230.171.124
40.84.97.4
52.230.60.54
74.179.77.164
40.79.141.155
74.179.77.204
172.64.154.167
74.178.76.128
72.145.35.109
52.148.114.188
52.110.12.37
52.110.12.50

File paths

X:\:`:d:h:l:p:t:x:

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report