snakekeylogger | 47a98390d2ac2a88d7853877e3c2f1d3253f90a0bb0f61b37570294e00a1107f

General

Target

INQUIRY - TENDER RFx-2172200126 .exe
Size

4.8MB
MD5

496c2794aefc720bc71fd57c5ddc13a7
SHA1

324d529b527c343695ffd4ce94abde0dd29252c3
SHA256

47a98390d2ac2a88d7853877e3c2f1d3253f90a0bb0f61b37570294e00a1107f
SHA512

188580c71d8885e257346bd2f6ac8f55aa9fc80c498cd0b5de1252ce36f3e4bf4c6f8f46f4b87a3ecec1c69ae4d54b2a5c8b7020b87eb92875c889719ae453d1
SSDEEP

24576:50Mwg7OQcjsDvuvkxDaQ9vSmR7d7lacOJuJ6Exgd5Hf2icQaux8:

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: ftp
Host:
ftp://ftp.cleaningagent.xyz/
Port:
21
Username:
[email protected]
Password:
9L4dBJBZ,kIQ

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1580-143-0x0000000000400000-0x0000000000426000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	INQUIRY - TENDER RFx-2172200126 .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-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INQUIRY - TENDER RFx-2172200126 .exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INQUIRY - TENDER RFx-2172200126 .exe
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INQUIRY - TENDER RFx-2172200126 .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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Zzycvoloo = "\"C:\\Users\\Admin\\AppData\\Roaming\\Nqtsofal\\Zzycvoloo.exe\""	INQUIRY - TENDER RFx-2172200126 .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
43	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 384 set thread context of 1580	384	INQUIRY - TENDER RFx-2172200126 .exe	84

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 4 IoCs

pid	Process
4392	powershell.exe
4392	powershell.exe
1580	INQUIRY - TENDER RFx-2172200126 .exe
1580	INQUIRY - TENDER RFx-2172200126 .exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	384	INQUIRY - TENDER RFx-2172200126 .exe
Token: SeDebugPrivilege	4392	powershell.exe
Token: SeDebugPrivilege	1580	INQUIRY - TENDER RFx-2172200126 .exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 384 wrote to memory of 4392	384	INQUIRY - TENDER RFx-2172200126 .exe	81
PID 384 wrote to memory of 4392	384	INQUIRY - TENDER RFx-2172200126 .exe	81
PID 384 wrote to memory of 4392	384	INQUIRY - TENDER RFx-2172200126 .exe	81
PID 384 wrote to memory of 1580	384	INQUIRY - TENDER RFx-2172200126 .exe	84
PID 384 wrote to memory of 1580	384	INQUIRY - TENDER RFx-2172200126 .exe	84
PID 384 wrote to memory of 1580	384	INQUIRY - TENDER RFx-2172200126 .exe	84
PID 384 wrote to memory of 1580	384	INQUIRY - TENDER RFx-2172200126 .exe	84
PID 384 wrote to memory of 1580	384	INQUIRY - TENDER RFx-2172200126 .exe	84
PID 384 wrote to memory of 1580	384	INQUIRY - TENDER RFx-2172200126 .exe	84
PID 384 wrote to memory of 1580	384	INQUIRY - TENDER RFx-2172200126 .exe	84
PID 384 wrote to memory of 1580	384	INQUIRY - TENDER RFx-2172200126 .exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INQUIRY - TENDER RFx-2172200126 .exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INQUIRY - TENDER RFx-2172200126 .exe

C:\Users\Admin\AppData\Local\Temp\INQUIRY - TENDER RFx-2172200126 .exe
"C:\Users\Admin\AppData\Local\Temp\INQUIRY - TENDER RFx-2172200126 .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:384
- 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:4392
- C:\Users\Admin\AppData\Local\Temp\INQUIRY - TENDER RFx-2172200126 .exe
  "C:\Users\Admin\AppData\Local\Temp\INQUIRY - TENDER RFx-2172200126 .exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1580

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\INQUIRY - TENDER RFx-2172200126 .exe.log

Filesize
1KB

MD5
a713c363be116d5ed1f971db6a657e4f

SHA1
90791863564c9ed38e7b4f047022dec4474060a1

SHA256
4b5c446ec8ed2a2696ba00a0890763d413006ce1ea1a7a32fda1655720aef46e

SHA512
5dc740414a6ec30908e924f3bdfae2f761a35a476ef2dda239b789575a0a3696169deb6dc84a14d5828eaa5644623f107b2c686bfa4f54a90f0688239b4b1739

Download Submit
memory/384-133-0x0000000006420000-0x0000000006442000-memory.dmp

Filesize
136KB

Download
memory/384-132-0x0000000000160000-0x000000000063A000-memory.dmp

Filesize
4.9MB

Download
memory/1580-149-0x0000000006B30000-0x0000000006B3A000-memory.dmp

Filesize
40KB

Download
memory/1580-148-0x0000000006D50000-0x0000000006DE2000-memory.dmp

Filesize
584KB

Download
memory/1580-147-0x0000000006B80000-0x0000000006D42000-memory.dmp

Filesize
1.8MB

Download
memory/1580-146-0x0000000005730000-0x00000000057CC000-memory.dmp

Filesize
624KB

Download
memory/1580-145-0x0000000005C40000-0x00000000061E4000-memory.dmp

Filesize
5.6MB

Download
memory/1580-143-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4392-136-0x00000000051F0000-0x0000000005818000-memory.dmp

Filesize
6.2MB

Download
memory/4392-141-0x00000000065E0000-0x00000000065FA000-memory.dmp

Filesize
104KB

Download
memory/4392-140-0x00000000077D0000-0x0000000007E4A000-memory.dmp

Filesize
6.5MB

Download
memory/4392-139-0x0000000006100000-0x000000000611E000-memory.dmp

Filesize
120KB

Download
memory/4392-138-0x0000000005B30000-0x0000000005B96000-memory.dmp

Filesize
408KB

Download
memory/4392-137-0x0000000005890000-0x00000000058F6000-memory.dmp

Filesize
408KB

Download
memory/4392-135-0x0000000002A90000-0x0000000002AC6000-memory.dmp

Filesize
216KB

Download

Analysis

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