MALICIOUS — 83a9be5228e407e3c408d75c6c36092cf1631ae8cda2354af950e5715ca49f82

MALICIOUS — 83a9be5228e407e3c408d75c6c36092cf1631ae8cda2354af950e5715ca49f82 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Lmir family. 7 of 56 detection engines flagged it, exhibiting 5 ATT&CK techniques.

Identification

SHA-256: 83a9be5228e407e3c408d75c6c36092cf1631ae8cda2354af950e5715ca49f82
SHA-1: 2970e6cbdb4faaa62d8965d41204e38341825986
MD5: f1f8e046fdc48b2efd17bf5cbd168876
imphash: aae410db5a351d384de2e35faf59497e
ssdeep: 6144:rajdMJyFRe6azHqTGXHaeaEOwoizbuUVfXQWlfFq:E2JylsKTUHLoizbuCfTK
TLSH: T14B487CBA462B6703DAF7CA1828105FAD0412F46D11BE59CC53E3D12EE3FAD3B55A0198
Submitted as: 83a9be5228e407e3c408d75c6c36092cf1631ae8cda2354af950e5715ca49f82
File type: pe · Size: 372568 bytes
Verdict: malicious (100/100) · Family: Lmir

Detections (7 of 56 engines)

capa (capabilities): capability:collection/keylog
ClamAV (daily): Win.Trojan.Lmir-22
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
YARA: Yara-Rules community: YR_AntiDebug_Checks
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 18 weighted signals:

ClamAV (daily) flagged Win.Trojan.Lmir-22 (rule Win.Trojan.Lmir-22) - engine signal, weight 0.90, confidence 0.95
1 behavioral detection(s) across 1 rule(s): Registry Run Key Persistence [high] (rule tl-run-key) - dynamic signal, weight 0.60, 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
capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
Contacted 2 external host(s) and 6 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
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
Embedded network infrastructure: 6.0.1.0 - static 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
Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
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)

38525 behavior events · 2 ATT&CK techniques · 58 dropped files.

Dropped files

C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\jfr.exe - c6d1a62a163bd5ce7b26c3493109a3f31210f274f92e4cd2ddd4a074ec837b4a
C:\Program Files\Adobe\Acrobat DC\Acrobat\NGL\cefWorkflow\adobe_licensing_wf_acro.exe - b8a9d5807917687ab25ef2c5759f7f1520fda63f734924b93c86e5524d0e7f68
C:\Program Files\Adobe\Acrobat DC\Acrobat\NGL\cefWorkflow\adobe_licensing_wf_helper_acro.exe - 377693e2ca6eefba36f61373194f572541a409cb10808b8c71d52897a6df3e8f
bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5
C:\Program Files\Google\Chrome\Application\chrome.exe - 8c17ebeed209393a3cd7eaea639938447d47bed403f19ecff5ff6e4d3f630ba7
C:\Program Files\Google\Chrome\Application\151.0.7922.174\chrome_pwa_launcher.exe - f35b0140cc7701a78844f145a508fe8ff0f6e38eef8607f89c3326ec20d97a64
C:\Program Files\Adobe\Acrobat DC\Acrobat\RDCNotificationClient\FullTrustNotifier.exe - 151f2e410a870b0483bece5e3f8afe84329e5410163aa58e8e202f297c44a9d4
C:\Program Files\Adobe\Acrobat DC\Acrobat\x86\Acrobat\Acrobat.exe - 698f79937dc7b693633e00453acea137673a666e8b98c796d14fb8a41df1fdac
C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\setup.exe - 2c92f830d0ecb17ffe9718416b9d18e6abca8ba1b40a68472c4112e315120e1a
C:\Program Files\Adobe\Acrobat DC\Acrobat\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe - 2768f3bb969e61f4383e37497d4b8afddeb9135e30597e76ca7be46eec380fd7
C:\Program Files\Google\Chrome\Application\chrome_proxy.exe - 4169d40f2e7563fba456e1d040060e1e0c80af99ea7c36b994fa10072f21cfd2
C:\Program Files\Adobe\Acrobat DC\Acrobat\AcroBroker.exe - 7ab807b2f85d1de86a4ddbdc9efffe045c74d75668f9e7428999e863a062507b
C:\Program Files\Adobe\Acrobat DC\Acrobat\AcrobatInfo.exe - 4d6ae786cd8b4274982f2319f48d676c7d582f89703cac04301c60a824c483e6
C:\Program Files\Adobe\Acrobat DC\Acrobat\plug_ins\pi_brokers\64BitMAPIBroker.exe - 6a78dba30ca10f3addef5b1683bd7bc97e98ce03c9e6ae7056845ee1b70b7d10
C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\kinit.exe - 46ad9bda3d0b3f336d91258dc084afbf0ef0add2bcc4aac1c020cd1f2b55e119

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

Embedded domains

crl.microsoft.com
www.microsoft.com

Embedded IP addresses

6.0.1.0
4.150.223.99
4.230.171.124
48.211.4.16
74.178.240.51
4.150.223.98
20.165.94.63
52.230.59.222
74.179.77.204
162.159.142.9
52.110.12.18
4.150.223.101
52.110.12.48
57.154.63.210
72.145.35.105
52.148.114.188
52.110.12.49
52.110.12.8

File paths

X:\:`:d:h:l:p:t:x:
P:\Target\x86\ship\setupexe\x-none\setup.pdb

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report