MALICIOUS — ad99ef17b3d55f87d57a84f27adcd7ae48cd73dbda21e9323d83980c042572e0

MALICIOUS — ad99ef17b3d55f87d57a84f27adcd7ae48cd73dbda21e9323d83980c042572e0 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Lmir family. 8 of 56 detection engines flagged it, exhibiting 6 ATT&CK techniques.

Identification

SHA-256: ad99ef17b3d55f87d57a84f27adcd7ae48cd73dbda21e9323d83980c042572e0
SHA-1: 890513f29a1ffa6c03b1547daf8f36ec56fb33c0
MD5: 96eb37ded9620183830b92192cbccfae
imphash: 5124cd999a2e4c567a9a25b581fe72b3
ssdeep: 6144:bvrb22uGLbWhTjYVM2cQrrX4MUIajDeivxd0m:bDb22DShTEeGXySivfV
TLSH: T198463AA6815F3312E2F6D864B47145DC482BB51CA0B5AFCD4303C1BA40E5F7B98B68E9
Submitted as: ad99ef17b3d55f87d57a84f27adcd7ae48cd73dbda21e9323d83980c042572e0
File type: pe · Size: 300472 bytes
Verdict: malicious (100/100) · Family: Lmir

Detections (8 of 56 engines)

capa (capabilities): capability:execution/powershell
MalwareAnalyser heuristics (entropy/packer): UPX
ClamAV (daily): Win.Trojan.Lmir-24
YARA: Yara-Rules community: YR_AntiDebug_Checks
Detect It Easy (packer/type): DIE:Turbo Linker
Microsoft Defender: Virus:Win32/Viking.KI
Emsisoft (Emergency Kit): Trojan.Agent.CGVL
Kaspersky (KVRT): Trojan-GameThief.Win32.Lmir.oa

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-24 (rule Win.Trojan.Lmir-24) - 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.KI (rule Virus:Win32/Viking.KI) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Trojan.Agent.CGVL (rule Trojan.Agent.CGVL) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Trojan-GameThief.Win32.Lmir.oa (rule Trojan-GameThief.Win32.Lmir.oa) - engine signal, weight 0.55, confidence 0.85
Observed at runtime: Registry Run Key Persistence (T1547.001) (rule Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90
execute via PowerShell (rule execute via PowerShell) - capa signal, weight 0.40, confidence 0.80
Contacted 17 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:Turbo Linker (rule DIE:Turbo Linker) - engine signal, weight 0.35, confidence 0.70
capa (capabilities) flagged capability:execution/powershell (rule capability:execution/powershell) - engine signal, weight 0.35, confidence 0.70
MalwareAnalyser heuristics (entropy/packer) flagged UPX (rule UPX) - engine signal, weight 0.35, confidence 0.70
communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
Packing/obfuscation: UPX, high-entropy-sections:UPX1, Turbo Linker - static signal, weight 0.25, confidence 0.55
enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
Dropped 55 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

Dynamic analysis (windows)

31342 behavior events · 2 ATT&CK techniques · 59 dropped files.

Dropped files

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\jaccesswalker.exe - 831c642cca790ef39adc6fd2e1a840b5d6c635bf8674902865c911fcaa595af4
C:\Program Files\Adobe\Acrobat DC\Acrobat\NGL\cefWorkflow\adobe_licensing_wf_helper_acro.exe - 377693e2ca6eefba36f61373194f572541a409cb10808b8c71d52897a6df3e8f
bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5
C:\Program Files\LibreOffice\program\gengal.exe - 7e91ee137b85010598acc744e324d4bbee1ee1f82b16916a81e6d189310b4f6b
C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\setup.exe - dab8cd84fc8d656b15f34a7ff1721404e1284064c7fd1341dcdf1e7259f002a5
C:\Program Files\Google\Chrome\Application\151.0.7922.174\elevation_service.exe - 28bf59113aa566f937d706f8a2c0d96ea9dd1880af382bf7c858f4f37fe05720
C:\Program Files\Adobe\Acrobat DC\Acrobat\acrobat_sl.exe - d73e44190fa7415e1d6bdc452051b9f7cf7ee8142c2d62a537dd5ad15f1f3aa7
C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\rmiregistry.exe - 969bfd27e72067d58ecd08ea937679a01151ebc23c3af84606091422fc1f1d1a
C:\Program Files\Google\Chrome\Application\151.0.7922.174\Installer\setup.exe - 2734eea9f76f24820e2be9ab1e5c294d35c7c39fd84987c3b1f1d37f43b7f1da
C:\Program Files\Eclipse Adoptium\jdk-21.0.5+11-jre\bin\kinit.exe - 463781ba967c043fe07af2b8d9b1741b67b16bcf7f2822b7f4aa5c69214ff15d
C:\Program Files\Adobe\Acrobat DC\Acrobat\plug_ins\pi_brokers\32BitMAPIBroker.exe - 59118c8365c7ef402d19176c72afaffb93d82d03f4f260d00715bed49e21d69c
C:\Program Files\Adobe\Acrobat DC\Acrobat\AcrobatInfo.exe - 4be6db5e29ea0d8008c3e44c08025a5b80b562f05ebaf62a0a9756dd63373bd7
C:\Program Files\Adobe\Acrobat DC\Acrobat\ADNotificationManager.exe - b918f4c00fb5c0253a5ab8e2d42820d8524543117909c7e152363d2c97d96fd6
C:\Program Files\Adobe\Acrobat DC\Acrobat\x86\Acrobat\Acrobat.exe - 698f79937dc7b693633e00453acea137673a666e8b98c796d14fb8a41df1fdac

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

4.150.223.100
4.144.132.223
4.230.171.124
85.210.193.152
20.165.94.63
20.165.94.54
4.207.44.76
135.232.92.137
4.247.188.233
52.110.12.15
52.110.12.4
52.148.114.188
72.153.5.61

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report