snakekeylogger | 464bf35525b6f482b91e5a1ba287c58304e7c41558c8070e42bdaa19769b5b05

General

Target

SMGS.exe
Size

4.8MB
MD5

973d6bb15efd90c87c861bb50682b4e0
SHA1

6be806023c19d7b332118bdc60ec2cabf4afd7a7
SHA256

464bf35525b6f482b91e5a1ba287c58304e7c41558c8070e42bdaa19769b5b05
SHA512

02355d9053c02c7470cdf6bde0a7d30ddf8a15a98c70dedf67a44639db3f92f1f961cb887e262b91eaeaeeef406e83c1294c690165afe2d7b50bae2e13896237
SSDEEP

24576:VBgHFLM9d5M7WbzMdMp+5R6hIONsEQ/xWxPNnb1T/d+BIPFsKmQhhEG6veOSV1jF:

Score

10^/10

snakekeylogger keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.jtinti.com
Port:
587
Username:
[email protected]
Password:
Rockfishbay12#
Email To:
[email protected]

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4408-143-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

SMGS.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation SMGS.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	SMGS.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

SMGS.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Zzycvoloo = "\"C:\\Users\\Admin\\AppData\\Roaming\\Nqtsofal\\Zzycvoloo.exe\""	SMGS.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

12 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

SMGS.exe

description pid process target process

PID 3564 set thread context of 4408 3564 SMGS.exe SMGS.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1880 4408 WerFault.exe SMGS.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exeSMGS.exe

pid process

3088 powershell.exe
3088 powershell.exe
4408 SMGS.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SMGS.exepowershell.exeSMGS.exe

description pid process

Token: SeDebugPrivilege 3564 SMGS.exe
Token: SeDebugPrivilege 3088 powershell.exe
Token: SeDebugPrivilege 4408 SMGS.exe

flow	ioc
12	checkip.dyndns.org

description	pid	process	target process
PID 3564 set thread context of 4408	3564	SMGS.exe	SMGS.exe

pid	pid_target	process	target process
1880	4408	WerFault.exe	SMGS.exe

pid	process
3088	powershell.exe
3088	powershell.exe
4408	SMGS.exe

description	pid	process
Token: SeDebugPrivilege	3564	SMGS.exe
Token: SeDebugPrivilege	3088	powershell.exe
Token: SeDebugPrivilege	4408	SMGS.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

SMGS.exe

description	pid	process	target process
PID 3564 wrote to memory of 3088	3564	SMGS.exe	powershell.exe
PID 3564 wrote to memory of 3088	3564	SMGS.exe	powershell.exe
PID 3564 wrote to memory of 3088	3564	SMGS.exe	powershell.exe
PID 3564 wrote to memory of 4408	3564	SMGS.exe	SMGS.exe
PID 3564 wrote to memory of 4408	3564	SMGS.exe	SMGS.exe
PID 3564 wrote to memory of 4408	3564	SMGS.exe	SMGS.exe
PID 3564 wrote to memory of 4408	3564	SMGS.exe	SMGS.exe
PID 3564 wrote to memory of 4408	3564	SMGS.exe	SMGS.exe
PID 3564 wrote to memory of 4408	3564	SMGS.exe	SMGS.exe
PID 3564 wrote to memory of 4408	3564	SMGS.exe	SMGS.exe
PID 3564 wrote to memory of 4408	3564	SMGS.exe	SMGS.exe

C:\Users\Admin\AppData\Local\Temp\SMGS.exe
"C:\Users\Admin\AppData\Local\Temp\SMGS.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3564
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3088
- C:\Users\Admin\AppData\Local\Temp\SMGS.exe
  C:\Users\Admin\AppData\Local\Temp\SMGS.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4408
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 1500
    3⤵
    - Program crash
    PID:1880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4408 -ip 4408
1⤵
PID:3212

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SMGS.exe.log

Filesize
1KB

MD5
a713c363be116d5ed1f971db6a657e4f

SHA1
90791863564c9ed38e7b4f047022dec4474060a1

SHA256
4b5c446ec8ed2a2696ba00a0890763d413006ce1ea1a7a32fda1655720aef46e

SHA512
5dc740414a6ec30908e924f3bdfae2f761a35a476ef2dda239b789575a0a3696169deb6dc84a14d5828eaa5644623f107b2c686bfa4f54a90f0688239b4b1739

Download Submit
memory/3088-138-0x00000000055B0000-0x0000000005616000-memory.dmp

Filesize
408KB

Download
memory/3088-140-0x0000000007270000-0x00000000078EA000-memory.dmp

Filesize
6.5MB

Download
memory/3088-135-0x00000000022C0000-0x00000000022F6000-memory.dmp

Filesize
216KB

Download
memory/3088-136-0x0000000004E10000-0x0000000005438000-memory.dmp

Filesize
6.2MB

Download
memory/3088-137-0x0000000004D50000-0x0000000004DB6000-memory.dmp

Filesize
408KB

Download
memory/3088-141-0x00000000060E0000-0x00000000060FA000-memory.dmp

Filesize
104KB

Download
memory/3088-139-0x0000000005C00000-0x0000000005C1E000-memory.dmp

Filesize
120KB

Download
memory/3088-134-0x0000000000000000-mapping.dmp

Download
memory/3564-132-0x0000000000830000-0x0000000000CF8000-memory.dmp

Filesize
4.8MB

Download
memory/3564-133-0x0000000006B10000-0x0000000006B32000-memory.dmp

Filesize
136KB

Download
memory/4408-142-0x0000000000000000-mapping.dmp

Download
memory/4408-143-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4408-145-0x0000000005D00000-0x00000000062A4000-memory.dmp

Filesize
5.6MB

Download
memory/4408-146-0x0000000005690000-0x000000000572C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads