MALICIOUS — 9f8c80bb098bb7c6a255834d0a40da2509313b918d3b7c2a4b7effe49b19485c

MALICIOUS — 9f8c80bb098bb7c6a255834d0a40da2509313b918d3b7c2a4b7effe49b19485c is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Screenshoter family. 8 of 56 detection engines flagged it, exhibiting 5 ATT&CK techniques.

Identification

SHA-256: 9f8c80bb098bb7c6a255834d0a40da2509313b918d3b7c2a4b7effe49b19485c
SHA-1: 09dcf880e4dd472b26226941b9c2664a0f71cf34
MD5: 7e7ad55d76b34f94e00eda3f71425dc9
imphash: 4237acd5d4d4c9a98a443ba83a0bc7f8
ssdeep: 3072:tTXDAEraUoR61GCMs/zRRuO+dxGQiHnejo5Sq3AOU:tTTAEraUl1Qs/z3uO+jxo5AOU
TLSH: T11D406CB193257145F2F6EAA668D08D8C50123B7EB1B62DCE4343C72B94E5C33A4E914E
Submitted as: 9f8c80bb098bb7c6a255834d0a40da2509313b918d3b7c2a4b7effe49b19485c
File type: pe · Size: 164864 bytes
Verdict: malicious (100/100) · Family: Screenshoter

Detections (8 of 56 engines)

YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
ClamAV (daily): Win.Malware.Bulz-9854497-0
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
YARA: Yara-Rules community: YR_AntiDebug_Checks
Microsoft Defender: Trojan:Win64/Latot!pz
Emsisoft (Emergency Kit): Generic.Dacic.4874.47164A9F
Kaspersky (KVRT): HEUR:Trojan-Spy.Win32.Screenshoter.gen

MITRE ATT&CK

YARA

Windows_Injection_Api_Combo

Why this verdict

The malicious score of 100/100 is the fusion of 17 weighted signals:

ClamAV (daily) flagged Win.Malware.Bulz-9854497-0 (rule Win.Malware.Bulz-9854497-0) - 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
1 behavioral detection(s) across 1 rule(s): Defense Evasion: disable AV / Defender [high] (rule tl-defender-tamper) - dynamic signal, weight 0.60, confidence 0.90
Microsoft Defender flagged Trojan:Win64/Latot!pz (rule Trojan:Win64/Latot!pz) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Generic.Dacic.4874.47164A9F (rule Generic.Dacic.4874.47164A9F) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged HEUR:Trojan-Spy.Win32.Screenshoter.gen (rule HEUR:Trojan-Spy.Win32.Screenshoter.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
Contacted 3 external host(s) and 17 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497.001, 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
YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.30, confidence 0.70
enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
Dropped 2 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
inject code into another process (rule inject code into another process) - capa signal, weight 0.12, confidence 0.60
Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in winlogon.exe (pid 700) (rule windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

45513 behavior events · 1 ATT&CK techniques · 3 dropped files.

Dropped files

C:\Windows\SysWOW64\maxsvc32.dll - bafdfb4884c7de9f8d5b89e354a7b92a6a1f7ab629e1d1e0221fb10c87d42fe3
C:\Windows\SysWOW64\insvc32.exe - 092f1d112fe7e7e9b4661be993e96a17f8d89efd946900c7046f076c90807e8d
5348bc31e1fa328535981697da27d399b8888e1ec1a7fac2f39b894670b2e043 - 5348bc31e1fa328535981697da27d399b8888e1ec1a7fac2f39b894670b2e043

Embedded URLs

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

x1.c.lencr.org
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

104.46.162.231
4.230.171.124
4.247.188.224
74.179.77.204
85.210.193.152
20.247.184.197
135.232.92.97
20.184.175.8
20.42.73.24
104.18.33.89
207.148.97.227
52.110.12.19
52.110.12.55
92.223.78.30
52.148.114.188
72.154.7.101
52.110.12.1
52.110.12.53

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report