snakekeylogger | 3df94cd33cbf08829a16467c543afe893d3b96744ed921013e16a33e89b5d809

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04-07-2024 01:20

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General

Target

Contract.exe
Size

563KB
MD5

8c2f569ddc16f61e8c7b053cbd94f0b4
SHA1

585691bd7c15100b16bc3c49f94a9f9cf9c86477
SHA256

f16af6c4a9c6803eb1df399343edceb8a102c47297c1e9b3278c795f61d5e1e9
SHA512

ed3a9205c4df6c3531bfa974249face667414a4932862967254a83e0e63bdd7dc95fb79210636f023dd984e15dbc1e65a51226fc1ecfb08f1cbe3d3950d45ee0
SSDEEP

12288:aTOvjSANT3ukfoCJU0/Q0P3H0Nho+EHl00DE64MoQksBl7jMkZQV:aT2jFT3ukNJNPXQAHKeEXMx7Qmm

Score

10^/10

snakekeylogger execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.speedhouseoman.com
Port:
587
Username:
[email protected]
Password:
SpH@0084

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
Snake Keylogger payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/3932-29-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2980 powershell.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

Contract.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation Contract.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
Suspicious use of SetThreadContext 1 IoCs

Processes:

Contract.exe

description pid process target process

PID 4904 set thread context of 3932 4904 Contract.exe Contract.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5076 3932 WerFault.exe Contract.exe
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

1668 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exeContract.exe

pid process

2980 powershell.exe
2980 powershell.exe
3932 Contract.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeContract.exe

description pid process

Token: SeDebugPrivilege 2980 powershell.exe
Token: SeDebugPrivilege 3932 Contract.exe

resource	yara_rule
behavioral2/memory/3932-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

pid	process
2980	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	Contract.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 4904 set thread context of 3932	4904	Contract.exe	Contract.exe

pid	pid_target	process	target process
5076	3932	WerFault.exe	Contract.exe

pid	process
1668	schtasks.exe

pid	process
2980	powershell.exe
2980	powershell.exe
3932	Contract.exe

description	pid	process
Token: SeDebugPrivilege	2980	powershell.exe
Token: SeDebugPrivilege	3932	Contract.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Contract.exe

description	pid	process	target process
PID 4904 wrote to memory of 2980	4904	Contract.exe	powershell.exe
PID 4904 wrote to memory of 2980	4904	Contract.exe	powershell.exe
PID 4904 wrote to memory of 2980	4904	Contract.exe	powershell.exe
PID 4904 wrote to memory of 1668	4904	Contract.exe	schtasks.exe
PID 4904 wrote to memory of 1668	4904	Contract.exe	schtasks.exe
PID 4904 wrote to memory of 1668	4904	Contract.exe	schtasks.exe
PID 4904 wrote to memory of 3932	4904	Contract.exe	Contract.exe
PID 4904 wrote to memory of 3932	4904	Contract.exe	Contract.exe
PID 4904 wrote to memory of 3932	4904	Contract.exe	Contract.exe
PID 4904 wrote to memory of 3932	4904	Contract.exe	Contract.exe
PID 4904 wrote to memory of 3932	4904	Contract.exe	Contract.exe
PID 4904 wrote to memory of 3932	4904	Contract.exe	Contract.exe
PID 4904 wrote to memory of 3932	4904	Contract.exe	Contract.exe
PID 4904 wrote to memory of 3932	4904	Contract.exe	Contract.exe

C:\Users\Admin\AppData\Local\Temp\Contract.exe
"C:\Users\Admin\AppData\Local\Temp\Contract.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4904

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vgTSRopQheAdCk.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2980

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vgTSRopQheAdCk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp755F.tmp"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:1668

C:\Users\Admin\AppData\Local\Temp\Contract.exe
"C:\Users\Admin\AppData\Local\Temp\Contract.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 1452
3⤵
- Program crash
PID:5076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3932 -ip 3932
1⤵
PID:4404

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3fqlhjlm.j2e.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp755F.tmp
Filesize
1KB

MD5
1b1d3cc927ec28d2a9dbb3565bcaf3b8

SHA1
d4761d5eef7cfac107f8e729d3819cc58260dc28

SHA256
8a4d691df701ae1351f944838e2537088c8ed04ebf73ab08a33083a318d47217

SHA512
327bc9f5ff9a7ae9944d298daa183b749e169a6038eaba3eeb24f1d79ab6325e75ccc1587d2615e6523a1deabf405272e9732d9369b6b832347de876a66dce19

Download Submit
memory/2980-17-0x00000000059C0000-0x0000000005FE8000-memory.dmp

Filesize
6.2MB

Download
memory/2980-40-0x0000000074F00000-0x0000000074F4C000-memory.dmp

Filesize
304KB

Download
memory/2980-58-0x0000000007D50000-0x0000000007D64000-memory.dmp

Filesize
80KB

Download
memory/2980-57-0x0000000007D40000-0x0000000007D4E000-memory.dmp

Filesize
56KB

Download
memory/2980-56-0x0000000007D10000-0x0000000007D21000-memory.dmp

Filesize
68KB

Download
memory/2980-55-0x0000000007D90000-0x0000000007E26000-memory.dmp

Filesize
600KB

Download
memory/2980-54-0x0000000007B80000-0x0000000007B8A000-memory.dmp

Filesize
40KB

Download
memory/2980-53-0x0000000007B10000-0x0000000007B2A000-memory.dmp

Filesize
104KB

Download
memory/2980-52-0x0000000008160000-0x00000000087DA000-memory.dmp

Filesize
6.5MB

Download
memory/2980-16-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/2980-38-0x00000000068D0000-0x000000000691C000-memory.dmp

Filesize
304KB

Download
memory/2980-59-0x0000000007E50000-0x0000000007E6A000-memory.dmp

Filesize
104KB

Download
memory/2980-20-0x0000000005730000-0x0000000005752000-memory.dmp

Filesize
136KB

Download
memory/2980-60-0x0000000007E30000-0x0000000007E38000-memory.dmp

Filesize
32KB

Download
memory/2980-18-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/2980-21-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/2980-22-0x0000000005940000-0x00000000059A6000-memory.dmp

Filesize
408KB

Download
memory/2980-63-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/2980-51-0x00000000077E0000-0x0000000007883000-memory.dmp

Filesize
652KB

Download
memory/2980-50-0x0000000007760000-0x000000000777E000-memory.dmp

Filesize
120KB

Download
memory/2980-24-0x00000000061B0000-0x0000000006504000-memory.dmp

Filesize
3.3MB

Download
memory/2980-15-0x0000000005240000-0x0000000005276000-memory.dmp

Filesize
216KB

Download
memory/2980-37-0x00000000067F0000-0x000000000680E000-memory.dmp

Filesize
120KB

Download
memory/2980-39-0x00000000077A0000-0x00000000077D2000-memory.dmp

Filesize
200KB

Download
memory/3932-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3932-64-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3932-35-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/4904-7-0x0000000005690000-0x00000000056AA000-memory.dmp

Filesize
104KB

Download
memory/4904-10-0x000000000C070000-0x000000000C0D8000-memory.dmp

Filesize
416KB

Download
memory/4904-9-0x000000000C060000-0x000000000C06C000-memory.dmp

Filesize
48KB

Download
memory/4904-8-0x0000000005670000-0x0000000005678000-memory.dmp

Filesize
32KB

Download
memory/4904-36-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/4904-6-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/4904-5-0x0000000005300000-0x000000000539C000-memory.dmp

Filesize
624KB

Download
memory/4904-4-0x0000000005210000-0x000000000521A000-memory.dmp

Filesize
40KB

Download
memory/4904-3-0x0000000005040000-0x00000000050D2000-memory.dmp

Filesize
584KB

Download
memory/4904-2-0x00000000056C0000-0x0000000005C64000-memory.dmp

Filesize
5.6MB

Download
memory/4904-1-0x00000000005D0000-0x0000000000662000-memory.dmp

Filesize
584KB

Download
memory/4904-0-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download