snakekeylogger | 03fd685f6762da376a437a4c98da717c491765d6b215a01d894517abfaeaf38a

Analysis

max time kernel
41s
max time network
143s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
13/12/2022, 16:08

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General

Target
DRAFT PRE ALERT.exe
Size 1.0MB
Sample221213-tk8elsfa84
SHA256 03fd685f6762da376a437a4c98da717c491765d6b215a01d894517abfaeaf38a
MD5 70e33166f5c879e78994f5a5dc80948d
SHA1 12dea6898e3cc2019417ced18e077be3799eb53c
SHA512 7a49e805ed089eae2ec2a293afbf1f87f5184a4fbc952f458e4115d98ae5f5a4ed25d3f95a845de18293af7a3e03a3f09f57bdfb5f17d22197f804d6ae94664f
SSDEEP 12288:BTrcCFu1ceK3xmSHlchrY2iN9R5+SU0c93D7P4lMLyNqqnmrQ01:B/uK3sSHlchrY1RL+3DDQqqkQm
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot1644755040:AAGRTnph6BdO8-t1bJaOyVu9aeuJErmisqs/sendMessage?chat_id=1637651323

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/1248-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1248-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1248-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1248-68-0x00000000004202EE-mapping.dmp	family_snakekeylogger
behavioral1/memory/1248-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1248-72-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1544 set thread context of 1248	1544	DRAFT PRE ALERT.exe	29

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1204	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1544	DRAFT PRE ALERT.exe
1248	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1544	DRAFT PRE ALERT.exe
Token: SeDebugPrivilege	1248	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 1204	1544	DRAFT PRE ALERT.exe	27
PID 1544 wrote to memory of 1204	1544	DRAFT PRE ALERT.exe	27
PID 1544 wrote to memory of 1204	1544	DRAFT PRE ALERT.exe	27
PID 1544 wrote to memory of 1204	1544	DRAFT PRE ALERT.exe	27
PID 1544 wrote to memory of 1248	1544	DRAFT PRE ALERT.exe	29
PID 1544 wrote to memory of 1248	1544	DRAFT PRE ALERT.exe	29
PID 1544 wrote to memory of 1248	1544	DRAFT PRE ALERT.exe	29
PID 1544 wrote to memory of 1248	1544	DRAFT PRE ALERT.exe	29
PID 1544 wrote to memory of 1248	1544	DRAFT PRE ALERT.exe	29
PID 1544 wrote to memory of 1248	1544	DRAFT PRE ALERT.exe	29
PID 1544 wrote to memory of 1248	1544	DRAFT PRE ALERT.exe	29
PID 1544 wrote to memory of 1248	1544	DRAFT PRE ALERT.exe	29
PID 1544 wrote to memory of 1248	1544	DRAFT PRE ALERT.exe	29
PID 1544 wrote to memory of 1248	1544	DRAFT PRE ALERT.exe	29
PID 1544 wrote to memory of 1248	1544	DRAFT PRE ALERT.exe	29
PID 1544 wrote to memory of 1248	1544	DRAFT PRE ALERT.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\DRAFT PRE ALERT.exe
"C:\Users\Admin\AppData\Local\Temp\DRAFT PRE ALERT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mxBrhwo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9399.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1204
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1248

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

tmp9399.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp9399.tmp
Size 1KB
SHA256 b87359ef8e5b740d94afd3f018f8b2af25d0a2fd71ad68c480eed638d2683e8e
MD5 8eca070ae4d36becd99569a63be86d52
SHA1 8cf3299bab552c17b06bd97c10bff1e60bc6d103
SHA512 454accec79baa62e94209e4f1e653cf3ac62deed65df7c83e13105eeedb5aab9ba0817940d6810b7d58aaefaf21340503c8ec17f920f15ac4fd1512fdee398d6
MD5 SHA1 SHA512

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memory/1248-64-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1248-61-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1248-62-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1248-66-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1248-67-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1248-70-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1248-72-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1544-57-0x0000000004FA0000-0x0000000005014000-memory.dmp

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memory/1544-58-0x0000000000BE0000-0x0000000000C06000-memory.dmp

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memory/1544-56-0x0000000000450000-0x0000000000462000-memory.dmp

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memory/1544-55-0x0000000076201000-0x0000000076203000-memory.dmp

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memory/1544-54-0x00000000012E0000-0x00000000013E8000-memory.dmp

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