snakekeylogger | fb55340ef36d5bfae56dd84e51b9aff7996ab7428fd1fcbe53dfb8fdcda244e8

Analysis

max time kernel
141s
max time network
151s
platform
windows10_x64
resource
win10v20210408
submitted
30/07/2021, 08:23

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General

Target
b858a1f896ba459493486676e59af5ad.exe
Size 152KB
Sample210730-e7n1hhrt4j
SHA256 fb55340ef36d5bfae56dd84e51b9aff7996ab7428fd1fcbe53dfb8fdcda244e8
MD5 b858a1f896ba459493486676e59af5ad
SHA1 c8a0ba42f8076b5c2b0d4cd2e0e6225b509b9f0c
SHA512 cab1bf9703921eba97b4686c03583ec8d27b6d8ba6b869e8be7983071d513c9ce1347a345f931365db214de3918e417f0c0c1fa35e5ec681b3a0ee7c59fd87c1
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger warzonerat infostealer keylogger persistence rat spyware stealer

Malware Config

Extracted

Family

warzonerat

sdafsdffssffs.ydns.eu:6703

Extracted

Family

snakekeylogger

https://api.telegram.org/bot1846926808:AAGk2IzxSb5N5fdYKiaTr2kIA9QAdWBcb1Y/sendMessage?chat_id=1407381447

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
rat infostealer warzonerat
Downloads MZ/PE file

Executes dropped EXE 3 IoCs

pid	Process
3664	images.exe
1156	hhbdkDHJK.exe
2612	hhbdkDHJK.exe

Sets DLL path for service in the registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Loads dropped DLL 7 IoCs

pid	Process
4036	svchost.exe
3664	images.exe
3664	images.exe
3664	images.exe
3664	images.exe
3664	images.exe
3664	images.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

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
20	freegeoip.app
21	freegeoip.app
18	checkip.dyndns.org

Modifies WinLogon 2 TTPs 4 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList	images.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts	images.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList\BvID..K = "0"	images.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\AllowMultipleTSSessions = "1"	images.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\System32\rfxvmt.dll	images.exe
File opened for modification	C:\Windows\System32\rfxvmt.dll	images.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1156 set thread context of 2612	1156	hhbdkDHJK.exe	88

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft DN1\rdpwrap.ini	images.exe
File created	C:\Program Files\Microsoft DN1\sqlmap.dll	images.exe

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 7 IoCs

pid	Process
4036	svchost.exe
4036	svchost.exe
4036	svchost.exe
4036	svchost.exe
1156	hhbdkDHJK.exe
1156	hhbdkDHJK.exe
2612	hhbdkDHJK.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2612	hhbdkDHJK.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
616	Process not Found

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3664	images.exe
Token: SeAuditPrivilege	4036	svchost.exe
Token: SeDebugPrivilege	1156	hhbdkDHJK.exe
Token: SeDebugPrivilege	2612	hhbdkDHJK.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3664	images.exe
2612	hhbdkDHJK.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 3572	904	b858a1f896ba459493486676e59af5ad.exe	75
PID 904 wrote to memory of 3572	904	b858a1f896ba459493486676e59af5ad.exe	75
PID 904 wrote to memory of 3572	904	b858a1f896ba459493486676e59af5ad.exe	75
PID 904 wrote to memory of 3664	904	b858a1f896ba459493486676e59af5ad.exe	76
PID 904 wrote to memory of 3664	904	b858a1f896ba459493486676e59af5ad.exe	76
PID 904 wrote to memory of 3664	904	b858a1f896ba459493486676e59af5ad.exe	76
PID 3572 wrote to memory of 500	3572	cmd.exe	78
PID 3572 wrote to memory of 500	3572	cmd.exe	78
PID 3572 wrote to memory of 500	3572	cmd.exe	78
PID 3664 wrote to memory of 212	3664	images.exe	81
PID 3664 wrote to memory of 212	3664	images.exe	81
PID 3664 wrote to memory of 212	3664	images.exe	81
PID 3664 wrote to memory of 212	3664	images.exe	81
PID 3664 wrote to memory of 212	3664	images.exe	81
PID 3664 wrote to memory of 1156	3664	images.exe	84
PID 3664 wrote to memory of 1156	3664	images.exe	84
PID 3664 wrote to memory of 1156	3664	images.exe	84
PID 1156 wrote to memory of 2612	1156	hhbdkDHJK.exe	88
PID 1156 wrote to memory of 2612	1156	hhbdkDHJK.exe	88
PID 1156 wrote to memory of 2612	1156	hhbdkDHJK.exe	88
PID 1156 wrote to memory of 2612	1156	hhbdkDHJK.exe	88
PID 1156 wrote to memory of 2612	1156	hhbdkDHJK.exe	88
PID 1156 wrote to memory of 2612	1156	hhbdkDHJK.exe	88
PID 1156 wrote to memory of 2612	1156	hhbdkDHJK.exe	88
PID 1156 wrote to memory of 2612	1156	hhbdkDHJK.exe	88

C:\Users\Admin\AppData\Local\Temp\b858a1f896ba459493486676e59af5ad.exe
"C:\Users\Admin\AppData\Local\Temp\b858a1f896ba459493486676e59af5ad.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:904
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\ProgramData\images.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3572
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\ProgramData\images.exe"
    3⤵
    PID:500
- C:\ProgramData\images.exe
  "C:\ProgramData\images.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies WinLogon
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3664
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe"
    3⤵
    PID:212
- - C:\Users\Admin\AppData\Roaming\hhbdkDHJK.exe
    "C:\Users\Admin\AppData\Roaming\hhbdkDHJK.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1156
  - - C:\Users\Admin\AppData\Local\Temp\hhbdkDHJK.exe
      C:\Users\Admin\AppData\Local\Temp\hhbdkDHJK.exe
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2612

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k networkservice -s TermService
1⤵
PID:3404

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -s TermService
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/212-120-0x00000000005D0000-0x00000000005D1000-memory.dmp

Download

memory/1156-127-0x00000000054C0000-0x00000000054C1000-memory.dmp

Download

memory/1156-139-0x0000000008710000-0x0000000008777000-memory.dmp

Download

memory/1156-134-0x0000000008580000-0x00000000085C5000-memory.dmp

Download

memory/1156-130-0x0000000004F70000-0x0000000004F71000-memory.dmp

Download

memory/1156-129-0x0000000005080000-0x0000000005081000-memory.dmp

Download

memory/1156-128-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

Download

memory/1156-125-0x0000000000650000-0x0000000000651000-memory.dmp

Download

memory/2612-151-0x0000000006180000-0x0000000006181000-memory.dmp

Download

memory/2612-153-0x00000000066C0000-0x00000000066C1000-memory.dmp

Download

memory/2612-149-0x0000000004F40000-0x000000000543E000-memory.dmp

Download

memory/2612-148-0x0000000004E70000-0x0000000004E71000-memory.dmp

Download

memory/2612-140-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/3664-154-0x0000000003CE0000-0x0000000003D64000-memory.dmp

Download

memory/3664-121-0x0000000003B10000-0x0000000003C4C000-memory.dmp

Download