snakekeylogger | 649f9f6ead85d535904aa3f25117823a0c6d1832c5362ee62404a7b55279fe1a

General

Target

DHL_FORM_00029168873.exe
Size

894KB
MD5

6d5f919bcefabc102d81d5f747f4360f
SHA1

471587727f4fc7bfa80c65fddb7776f857d3dec2
SHA256

ac5d6e70caa2b1bde2cb167ff73f45fb54a80d23776869323612c426e7eab476
SHA512

7dfbd3cc0127c737b09a97001f76507f974e29f07635655c7d4a0d8a8c33b3cc2499a3eff8ddd418f51f8e9ae8c92aa0de062b32cd0d51c37b2e8f83c13527cd
SSDEEP

12288:mCUIIeuQuojWsZi9701LJkIxYatI2lS/ng677jlz1Y3CPTpKkvhA9U6CQSiyyjK:l9ZHyIxA20/n1jDYSPTkkvC9Bd8

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1634002210:AAGipukUEr-bNBgl2R1_hwFgfb9ez_v6wzE/sendMessage?chat_id=1401219117

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger 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 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
T1552.001
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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_FORM_00029168873.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_FORM_00029168873.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_FORM_00029168873.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
8	freegeoip.app
9	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 2636	2540	DHL_FORM_00029168873.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1716	2636	WerFault.exe	31

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	DHL_FORM_00029168873.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DHL_FORM_00029168873.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2636	DHL_FORM_00029168873.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2636	DHL_FORM_00029168873.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2636	2540	DHL_FORM_00029168873.exe	31
PID 2540 wrote to memory of 2636	2540	DHL_FORM_00029168873.exe	31
PID 2540 wrote to memory of 2636	2540	DHL_FORM_00029168873.exe	31
PID 2540 wrote to memory of 2636	2540	DHL_FORM_00029168873.exe	31
PID 2540 wrote to memory of 2636	2540	DHL_FORM_00029168873.exe	31
PID 2540 wrote to memory of 2636	2540	DHL_FORM_00029168873.exe	31
PID 2540 wrote to memory of 2636	2540	DHL_FORM_00029168873.exe	31
PID 2540 wrote to memory of 2636	2540	DHL_FORM_00029168873.exe	31
PID 2540 wrote to memory of 2636	2540	DHL_FORM_00029168873.exe	31
PID 2636 wrote to memory of 1716	2636	DHL_FORM_00029168873.exe	32
PID 2636 wrote to memory of 1716	2636	DHL_FORM_00029168873.exe	32
PID 2636 wrote to memory of 1716	2636	DHL_FORM_00029168873.exe	32
PID 2636 wrote to memory of 1716	2636	DHL_FORM_00029168873.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_FORM_00029168873.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_FORM_00029168873.exe

C:\Users\Admin\AppData\Local\Temp\DHL_FORM_00029168873.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_FORM_00029168873.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Users\Admin\AppData\Local\Temp\DHL_FORM_00029168873.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL_FORM_00029168873.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 1100
    3⤵
    - Program crash
    PID:1716

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

4

T1552

Credentials In Files

4

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

memory/2540-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2540-1-0x0000000000900000-0x00000000009E6000-memory.dmp

Filesize
920KB

Download
memory/2540-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-3-0x0000000000680000-0x000000000068A000-memory.dmp

Filesize
40KB

Download
memory/2540-4-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2540-5-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-6-0x00000000050B0000-0x0000000005148000-memory.dmp

Filesize
608KB

Download
memory/2540-23-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2636-13-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2636-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2636-7-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2636-11-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2636-9-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2636-19-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2636-22-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2636-21-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2636-17-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2636-24-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2636-25-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2636-26-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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