snakekeylogger | e9bd723975e0a440e52c11f8df79d37e0607bd20cac3daff0661c4bb0ab7f129

Analysis

max time kernel
148s
max time network
145s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27/01/2023, 14:03

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General

Target
a45766661c4cc45529a56d3635379a96.exe
Size 866KB
Sample230127-rcpanabe29
SHA256 e9bd723975e0a440e52c11f8df79d37e0607bd20cac3daff0661c4bb0ab7f129
MD5 a45766661c4cc45529a56d3635379a96
SHA1 184b9a082e7376f0b778959da890c25dcec6ba9a
SHA512 afff5e658e9412ee6f5bd9b289e87c0ba08504c667fbda67c7b54579ab1cf08721ff3002d96cde57debec7302b15e2f4e783929bbd988109721715886b979e9a
SSDEEP 12288:RtG7vV5zxPCRgTlwbWFXDbFqIG24nqU4/WthbmkLAT3bYRCLQAHqykbLguKJo7vX:1gDGJqVW/m4AgYQOqyElmLtRPVNA
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
us2.smtp.mailhostbox.com
Port
587
Username
[email protected]
Password
kV$bSqJ1 daniel

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/592-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/592-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/592-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/592-71-0x00000000004206CE-mapping.dmp	family_snakekeylogger
behavioral1/memory/592-73-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/592-75-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2004 set thread context of 592	2004	a45766661c4cc45529a56d3635379a96.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
816	592	WerFault.exe	32

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1700	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2004	a45766661c4cc45529a56d3635379a96.exe
2004	a45766661c4cc45529a56d3635379a96.exe
592	a45766661c4cc45529a56d3635379a96.exe
1348	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2004	a45766661c4cc45529a56d3635379a96.exe
Token: SeDebugPrivilege	592	a45766661c4cc45529a56d3635379a96.exe
Token: SeDebugPrivilege	1348	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1348	2004	a45766661c4cc45529a56d3635379a96.exe	28
PID 2004 wrote to memory of 1348	2004	a45766661c4cc45529a56d3635379a96.exe	28
PID 2004 wrote to memory of 1348	2004	a45766661c4cc45529a56d3635379a96.exe	28
PID 2004 wrote to memory of 1348	2004	a45766661c4cc45529a56d3635379a96.exe	28
PID 2004 wrote to memory of 1700	2004	a45766661c4cc45529a56d3635379a96.exe	30
PID 2004 wrote to memory of 1700	2004	a45766661c4cc45529a56d3635379a96.exe	30
PID 2004 wrote to memory of 1700	2004	a45766661c4cc45529a56d3635379a96.exe	30
PID 2004 wrote to memory of 1700	2004	a45766661c4cc45529a56d3635379a96.exe	30
PID 2004 wrote to memory of 592	2004	a45766661c4cc45529a56d3635379a96.exe	32
PID 2004 wrote to memory of 592	2004	a45766661c4cc45529a56d3635379a96.exe	32
PID 2004 wrote to memory of 592	2004	a45766661c4cc45529a56d3635379a96.exe	32
PID 2004 wrote to memory of 592	2004	a45766661c4cc45529a56d3635379a96.exe	32
PID 2004 wrote to memory of 592	2004	a45766661c4cc45529a56d3635379a96.exe	32
PID 2004 wrote to memory of 592	2004	a45766661c4cc45529a56d3635379a96.exe	32
PID 2004 wrote to memory of 592	2004	a45766661c4cc45529a56d3635379a96.exe	32
PID 2004 wrote to memory of 592	2004	a45766661c4cc45529a56d3635379a96.exe	32
PID 2004 wrote to memory of 592	2004	a45766661c4cc45529a56d3635379a96.exe	32
PID 592 wrote to memory of 816	592	a45766661c4cc45529a56d3635379a96.exe	33
PID 592 wrote to memory of 816	592	a45766661c4cc45529a56d3635379a96.exe	33
PID 592 wrote to memory of 816	592	a45766661c4cc45529a56d3635379a96.exe	33
PID 592 wrote to memory of 816	592	a45766661c4cc45529a56d3635379a96.exe	33

C:\Users\Admin\AppData\Local\Temp\a45766661c4cc45529a56d3635379a96.exe
"C:\Users\Admin\AppData\Local\Temp\a45766661c4cc45529a56d3635379a96.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EgwoytrRhps.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1348
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EgwoytrRhps" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7C04.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1700
- C:\Users\Admin\AppData\Local\Temp\a45766661c4cc45529a56d3635379a96.exe
  "C:\Users\Admin\AppData\Local\Temp\a45766661c4cc45529a56d3635379a96.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:592
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 592 -s 1144
    3⤵
    - Program crash
    PID:816

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp7C04.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp7C04.tmp
Size 1KB
SHA256 535e61f67846fb8ff1d3855e4486b44fa50fea05b179c167456361a3651e2caa
MD5 614a017c802fce09580aa5caa5d22b79
SHA1 0810dfdb7d9d57f9abfcf8eca2be862ab8fea19a
SHA512 9dd567a0f14828c1fb5165ff25c9b0af3df9598645f69fd419d1d4d65170a66943eff0b266e563ed8eb0629f18d1323e83ae984a1b77d6cd9dec6176ebe1f249
MD5 SHA1 SHA512

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memory/592-73-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/592-75-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/592-65-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/592-64-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/592-70-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/592-69-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/592-67-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1348-77-0x000000006E580000-0x000000006EB2B000-memory.dmp

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memory/1348-78-0x000000006E580000-0x000000006EB2B000-memory.dmp

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memory/2004-56-0x0000000000570000-0x0000000000580000-memory.dmp

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memory/2004-63-0x0000000000E80000-0x0000000000EA8000-memory.dmp

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memory/2004-58-0x0000000004DE0000-0x0000000004E42000-memory.dmp

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memory/2004-55-0x0000000075811000-0x0000000075813000-memory.dmp

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memory/2004-54-0x0000000000F40000-0x000000000101E000-memory.dmp

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memory/2004-57-0x00000000005B0000-0x00000000005BA000-memory.dmp

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