snakekeylogger | 6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de

General

Target

6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
Size

430KB
MD5

2c27fdafaa47f61b79d8b5513c8e4d23
SHA1

262e6cb688ad062bdde2b6702871a5a07e4409f4
SHA256

6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de
SHA512

d3fdfb89c23329e36a2c043a8159bf8816e2a0c8df432dc407f9c45f3c8b1f2c719c9a57c028ed7c81154c72fcb66147c223d25c73ef77a66a9114024444aa24
SSDEEP

3072:w9Op4I8ZZpSOs4PNdvr+1UjTsvY3h4I5UWIDRRineV3Kap/ObYOOt7POITGCotdK:WIMZUOJpq1B4UhDqe5pmboNNPonA4

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2540-147-0x0000000000400000-0x0000000000426000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yndvivvuap = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ugysow\\Yndvivvuap.exe\""	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.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.

flow	ioc
37	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4572 set thread context of 2540	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	90

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2892	powershell.exe
2892	powershell.exe
4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
2540	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
2540	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
Token: SeDebugPrivilege	2892	powershell.exe
Token: SeDebugPrivilege	2540	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 2892	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	78
PID 4572 wrote to memory of 2892	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	78
PID 4572 wrote to memory of 2892	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	78
PID 4572 wrote to memory of 4320	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	88
PID 4572 wrote to memory of 4320	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	88
PID 4572 wrote to memory of 4320	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	88
PID 4572 wrote to memory of 372	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	89
PID 4572 wrote to memory of 372	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	89
PID 4572 wrote to memory of 372	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	89
PID 4572 wrote to memory of 2540	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	90
PID 4572 wrote to memory of 2540	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	90
PID 4572 wrote to memory of 2540	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	90
PID 4572 wrote to memory of 2540	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	90
PID 4572 wrote to memory of 2540	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	90
PID 4572 wrote to memory of 2540	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	90
PID 4572 wrote to memory of 2540	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	90
PID 4572 wrote to memory of 2540	4572	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe

C:\Users\Admin\AppData\Local\Temp\6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
"C:\Users\Admin\AppData\Local\Temp\6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4572
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2892
- C:\Users\Admin\AppData\Local\Temp\6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
  C:\Users\Admin\AppData\Local\Temp\6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
  2⤵
  PID:4320
- C:\Users\Admin\AppData\Local\Temp\6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
  C:\Users\Admin\AppData\Local\Temp\6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
  2⤵
  PID:372
- C:\Users\Admin\AppData\Local\Temp\6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
  C:\Users\Admin\AppData\Local\Temp\6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2540

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

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\6b1ee9252cc101156e585e7cd6c59ea3850a010c57a7f1b1915d5438cbc5b4de.exe.log

Filesize
1KB

MD5
026fb31495d30e5dbfd00f398c2efbf8

SHA1
9cda8f5f58129e4d592ca1b9867835c86f38ab1b

SHA256
b008f16eeae90b4c6ba119fb308616c0795cdaca51adf2b64470a0c01aeeb8b7

SHA512
6d1cc01c90613522cfb7be7ea67ff03732b367dfc7bfd245ad6d7ea8e5e5def431b3339d17893b7b193cee2c3b4c22a459acd3d852ee88fce711e30c5af195a1

Download Submit
memory/2540-151-0x0000000006340000-0x000000000634A000-memory.dmp

Filesize
40KB

Download
memory/2540-150-0x00000000063D0000-0x0000000006592000-memory.dmp

Filesize
1.8MB

Download
memory/2540-149-0x00000000050E0000-0x000000000517C000-memory.dmp

Filesize
624KB

Download
memory/2540-147-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2892-137-0x00000000047D0000-0x0000000004806000-memory.dmp

Filesize
216KB

Download
memory/2892-140-0x0000000005650000-0x00000000056B6000-memory.dmp

Filesize
408KB

Download
memory/2892-141-0x0000000005D80000-0x0000000005D9E000-memory.dmp

Filesize
120KB

Download
memory/2892-142-0x00000000075C0000-0x0000000007C3A000-memory.dmp

Filesize
6.5MB

Download
memory/2892-143-0x0000000006270000-0x000000000628A000-memory.dmp

Filesize
104KB

Download
memory/2892-139-0x0000000005570000-0x00000000055D6000-memory.dmp

Filesize
408KB

Download
memory/2892-138-0x0000000004E40000-0x0000000005468000-memory.dmp

Filesize
6.2MB

Download
memory/4572-132-0x0000000000260000-0x00000000002D2000-memory.dmp

Filesize
456KB

Download
memory/4572-135-0x00000000059C0000-0x00000000059E2000-memory.dmp

Filesize
136KB

Download
memory/4572-134-0x0000000005F40000-0x00000000064E4000-memory.dmp

Filesize
5.6MB

Download
memory/4572-133-0x00000000058F0000-0x0000000005982000-memory.dmp

Filesize
584KB

Download

Analysis

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