snakekeylogger | e7757fdf8b8e6b584cab959c54383e10065ba2aceb5dd653dd0566d4cbce1ec8

General

Target

Vessel Particulars.exe
Size

696KB
MD5

c4218b58d2302e31d13f88661f66c64b
SHA1

169b29b77b3e30db3a883762159b45856c421590
SHA256

e7757fdf8b8e6b584cab959c54383e10065ba2aceb5dd653dd0566d4cbce1ec8
SHA512

3de50ca942275f9ec40599691e06e6c0011a25199706f3dcab696158daefa6e627ffac4b0b777295d3dfb3fdb1137b274c81ae4cf04828db61c635894a2e4cf0
SSDEEP

12288:/k3jw7WkDA0CjZxYZ56i3ToFKlEsHj1Iiu+vht:M3jw7i0Cjc56YOK9vv

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
valleycountysar.org
Port:
25
Username:
[email protected]
Password:
iU0Ta!$K8L51

Signatures

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

Snake Keylogger payload 2 IoCs

resource	yara_rule
behavioral2/memory/2636-13-0x0000000000390000-0x00000000003B6000-memory.dmp	family_snakekeylogger
behavioral2/memory/2636-14-0x0000000004E40000-0x0000000004E50000-memory.dmp	family_snakekeylogger

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2097088205-1470669305-146258644-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Particulars.exe
Key opened	\REGISTRY\USER\S-1-5-21-2097088205-1470669305-146258644-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Particulars.exe
Key opened	\REGISTRY\USER\S-1-5-21-2097088205-1470669305-146258644-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Particulars.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.

flow	ioc
28	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4120 set thread context of 2636	4120	Vessel Particulars.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2636	Vessel Particulars.exe
2636	Vessel Particulars.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2636	Vessel Particulars.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 2636	4120	Vessel Particulars.exe	91
PID 4120 wrote to memory of 2636	4120	Vessel Particulars.exe	91
PID 4120 wrote to memory of 2636	4120	Vessel Particulars.exe	91
PID 4120 wrote to memory of 2636	4120	Vessel Particulars.exe	91
PID 4120 wrote to memory of 2636	4120	Vessel Particulars.exe	91
PID 4120 wrote to memory of 2636	4120	Vessel Particulars.exe	91
PID 4120 wrote to memory of 2636	4120	Vessel Particulars.exe	91
PID 4120 wrote to memory of 2636	4120	Vessel Particulars.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2097088205-1470669305-146258644-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Particulars.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2097088205-1470669305-146258644-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Particulars.exe

C:\Users\Admin\AppData\Local\Temp\Vessel Particulars.exe
"C:\Users\Admin\AppData\Local\Temp\Vessel Particulars.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4120
- C:\Users\Admin\AppData\Local\Temp\Vessel Particulars.exe
  "C:\Users\Admin\AppData\Local\Temp\Vessel Particulars.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Vessel Particulars.exe.log

Filesize
706B

MD5
f8bcaf312de8591707436c1dcebba8e4

SHA1
a1269828e5f644601622f4a7a611aec8f2eda0b2

SHA256
f0f5a90777c70cdceea22bd66b33c1703a318acc45cb012d0b01585a1ac12b29

SHA512
3a714f5950584abbc94a27bbd4623bfc5acb1135c8c9fca4d74e70c8481b71ace7dbc1dfbf101dd07c76a050acfb4852f31dd57fc7ae196382336c5edc9e6413

Download Submit
memory/2636-14-0x0000000004E40000-0x0000000004E50000-memory.dmp

Filesize
64KB

Download
memory/2636-15-0x00000000745B0000-0x0000000074D60000-memory.dmp

Filesize
7.7MB

Download
memory/2636-19-0x00000000061C0000-0x00000000061CA000-memory.dmp

Filesize
40KB

Download
memory/2636-18-0x0000000006360000-0x0000000006522000-memory.dmp

Filesize
1.8MB

Download
memory/2636-12-0x00000000745B0000-0x0000000074D60000-memory.dmp

Filesize
7.7MB

Download
memory/2636-17-0x0000000006140000-0x0000000006190000-memory.dmp

Filesize
320KB

Download
memory/2636-16-0x0000000004E40000-0x0000000004E50000-memory.dmp

Filesize
64KB

Download
memory/2636-13-0x0000000000390000-0x00000000003B6000-memory.dmp

Filesize
152KB

Download
memory/4120-6-0x0000000005AA0000-0x0000000005B3C000-memory.dmp

Filesize
624KB

Download
memory/4120-5-0x0000000005A00000-0x0000000005A92000-memory.dmp

Filesize
584KB

Download
memory/4120-1-0x00000000745B0000-0x0000000074D60000-memory.dmp

Filesize
7.7MB

Download
memory/4120-0-0x0000000000FB0000-0x0000000001064000-memory.dmp

Filesize
720KB

Download
memory/4120-3-0x0000000005950000-0x0000000005960000-memory.dmp

Filesize
64KB

Download
memory/4120-7-0x0000000005970000-0x0000000005978000-memory.dmp

Filesize
32KB

Download
memory/4120-2-0x0000000005890000-0x00000000058E4000-memory.dmp

Filesize
336KB

Download
memory/4120-4-0x0000000005F10000-0x00000000064B4000-memory.dmp

Filesize
5.6MB

Download
memory/4120-11-0x00000000745B0000-0x0000000074D60000-memory.dmp

Filesize
7.7MB

Download

Analysis

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