snakekeylogger | 43a1e3cca46c0876a7082c04aa7b0b0174aff22a9387301229eacbb120334fcf

General

Target

malw.jpg.exe
Size

627KB
MD5

618dab9ba55692e86e4557d561417628
SHA1

08ba7ba92df636e936a0f138bc735dfc56ba4722
SHA256

43a1e3cca46c0876a7082c04aa7b0b0174aff22a9387301229eacbb120334fcf
SHA512

1e91ebe54fd7809a47a438453be506c47f681bb174c1eb8ad0c3aac611c1788d716ffbcab8ace9bb56d6215a5edf3544a80740f9fc1d20fe5f617cae3ace6ada
SSDEEP

12288:FH21UoIG5MPU8swE31D2shk8giOInK12jpXB1juSGf4HrS4CG7qFHEDg:4Uoby8P38shk8PFpXBY14HGZG78Sg

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7323804265:AAGOrHmilwRNOOZbuVQa6WTtwu__mfCEENE/sendMessage?chat_id=7365454061

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2108-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	malw.jpg.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	malw.jpg.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	malw.jpg.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
21	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 2108	2596	malw.jpg.exe	93

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	malw.jpg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	malw.jpg.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2108	malw.jpg.exe
2108	malw.jpg.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2108	malw.jpg.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2108	2596	malw.jpg.exe	93
PID 2596 wrote to memory of 2108	2596	malw.jpg.exe	93
PID 2596 wrote to memory of 2108	2596	malw.jpg.exe	93
PID 2596 wrote to memory of 2108	2596	malw.jpg.exe	93
PID 2596 wrote to memory of 2108	2596	malw.jpg.exe	93
PID 2596 wrote to memory of 2108	2596	malw.jpg.exe	93
PID 2596 wrote to memory of 2108	2596	malw.jpg.exe	93
PID 2596 wrote to memory of 2108	2596	malw.jpg.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	malw.jpg.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	malw.jpg.exe

C:\Users\Admin\AppData\Local\Temp\malw.jpg.exe
"C:\Users\Admin\AppData\Local\Temp\malw.jpg.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Users\Admin\AppData\Local\Temp\malw.jpg.exe
  "C:\Users\Admin\AppData\Local\Temp\malw.jpg.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\malw.jpg.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2108-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2108-19-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/2108-18-0x0000000006840000-0x0000000006A02000-memory.dmp

Filesize
1.8MB

Download
memory/2108-17-0x0000000006620000-0x0000000006670000-memory.dmp

Filesize
320KB

Download
memory/2108-16-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/2108-14-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/2596-5-0x0000000005460000-0x000000000546A000-memory.dmp

Filesize
40KB

Download
memory/2596-8-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

Filesize
4KB

Download
memory/2596-9-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/2596-10-0x0000000006870000-0x00000000068D8000-memory.dmp

Filesize
416KB

Download
memory/2596-7-0x0000000005680000-0x0000000005698000-memory.dmp

Filesize
96KB

Download
memory/2596-6-0x0000000005530000-0x00000000055CC000-memory.dmp

Filesize
624KB

Download
memory/2596-4-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/2596-15-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/2596-0-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

Filesize
4KB

Download
memory/2596-3-0x00000000052B0000-0x0000000005342000-memory.dmp

Filesize
584KB

Download
memory/2596-2-0x0000000005780000-0x0000000005D24000-memory.dmp

Filesize
5.6MB

Download
memory/2596-1-0x0000000000820000-0x00000000008C4000-memory.dmp

Filesize
656KB

Download

Analysis

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