snakekeylogger | cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db

Analysis

max time kernel
138s
max time network
141s
platform
windows10_x64
resource
win10-20220414-en
submitted
04-07-2022 18:21

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General

Target

cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe
Size

174KB
MD5

29e69c25d02c5a45e62f038f7aa7a716
SHA1

9aa09cd4c4126cd410a2674a37d34d1d7575d8b0
SHA256

cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db
SHA512

b626b753d4e9daf4ab42e0fe00213600a12874822703c7d7c9fb6a2c8548885ad6f30b341c317780146ac5c7dacf11331071cc721c0cc9a411c4386dc6ee00e9

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot1707668650:AAFJBUcmT6aGlXwy3-beDARhm0ji930DCzM/sendMessage?chat_id=-772314354

Signatures

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

Snake Keylogger Payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3856-291-0x000000000042028E-mapping.dmp	family_snakekeylogger
behavioral1/memory/3856-325-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rrfta = "\"C:\\Users\\Admin\\AppData\\Roaming\\Hbxhwj\\Rrfta.exe\""	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.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.

Processes:

flow ioc

4 checkip.dyndns.org

flow	ioc
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe

description	pid	process	target process
PID 3056 set thread context of 3856	3056	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe	InstallUtil.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 6 IoCs

Processes:

powershell.execb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exeInstallUtil.exe

pid	process
3360	powershell.exe
3360	powershell.exe
3360	powershell.exe
3056	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe
3056	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe
3856	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exepowershell.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3056	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe
Token: SeDebugPrivilege	3360	powershell.exe
Token: SeDebugPrivilege	3856	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe

description	pid	process	target process
PID 3056 wrote to memory of 3360	3056	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe	powershell.exe
PID 3056 wrote to memory of 3360	3056	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe	powershell.exe
PID 3056 wrote to memory of 3360	3056	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe	powershell.exe
PID 3056 wrote to memory of 3856	3056	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe	InstallUtil.exe
PID 3056 wrote to memory of 3856	3056	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe	InstallUtil.exe
PID 3056 wrote to memory of 3856	3056	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe	InstallUtil.exe
PID 3056 wrote to memory of 3856	3056	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe	InstallUtil.exe
PID 3056 wrote to memory of 3856	3056	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe	InstallUtil.exe
PID 3056 wrote to memory of 3856	3056	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe	InstallUtil.exe
PID 3056 wrote to memory of 3856	3056	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe	InstallUtil.exe
PID 3056 wrote to memory of 3856	3056	cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe
"C:\Users\Admin\AppData\Local\Temp\cb191c1c612b01447bd75c880c223fa73c82f9902bc6e6a26881031b0a9bf9db.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3056

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3360

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3856

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3056-116-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-117-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-118-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-120-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-119-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-121-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-122-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-124-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-123-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-125-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-126-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-127-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-128-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-129-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-130-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-132-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-131-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-135-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-137-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-136-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-134-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-133-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-138-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-139-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-140-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-142-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-144-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-143-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-141-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-145-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-146-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-147-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-149-0x0000000000EC0000-0x0000000000EF2000-memory.dmp

Filesize
200KB

Download
memory/3056-150-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-151-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-148-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-152-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-153-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-154-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-155-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-156-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-159-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-162-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-161-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-160-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-158-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-165-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-164-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-167-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-168-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-166-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-163-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-169-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-157-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-170-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-171-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-172-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-174-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-176-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-178-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-180-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-179-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-177-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-175-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-173-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/3056-189-0x00000000060A0000-0x0000000006130000-memory.dmp

Filesize
576KB

Download
memory/3056-190-0x00000000061A0000-0x00000000061EC000-memory.dmp

Filesize
304KB

Download
memory/3056-288-0x000000002BF30000-0x000000002BFC2000-memory.dmp

Filesize
584KB

Download
memory/3360-200-0x0000000000000000-mapping.dmp

Download
memory/3360-236-0x0000000001260000-0x0000000001296000-memory.dmp

Filesize
216KB

Download
memory/3360-241-0x0000000006E50000-0x0000000007478000-memory.dmp

Filesize
6.2MB

Download
memory/3360-261-0x00000000074F0000-0x0000000007556000-memory.dmp

Filesize
408KB

Download
memory/3360-262-0x0000000007560000-0x00000000075C6000-memory.dmp

Filesize
408KB

Download
memory/3360-260-0x0000000006DE0000-0x0000000006E02000-memory.dmp

Filesize
136KB

Download
memory/3360-263-0x0000000007880000-0x0000000007BD0000-memory.dmp

Filesize
3.3MB

Download
memory/3360-266-0x00000000075F0000-0x000000000760C000-memory.dmp

Filesize
112KB

Download
memory/3360-267-0x0000000007BD0000-0x0000000007C1B000-memory.dmp

Filesize
300KB

Download
memory/3360-271-0x0000000007E70000-0x0000000007EE6000-memory.dmp

Filesize
472KB

Download
memory/3360-283-0x0000000008C60000-0x0000000008C7A000-memory.dmp

Filesize
104KB

Download
memory/3360-282-0x00000000095A0000-0x0000000009C18000-memory.dmp

Filesize
6.5MB

Download
memory/3856-291-0x000000000042028E-mapping.dmp

Download
memory/3856-325-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3856-329-0x00000000058A0000-0x0000000005D9E000-memory.dmp

Filesize
5.0MB

Download
memory/3856-330-0x00000000053A0000-0x000000000543C000-memory.dmp

Filesize
624KB

Download
memory/3856-362-0x00000000062F0000-0x00000000064B2000-memory.dmp

Filesize
1.8MB

Download
memory/3856-365-0x0000000006160000-0x000000000616A000-memory.dmp

Filesize
40KB

Download