snakekeylogger | 552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa

Analysis

max time kernel
120s
max time network
131s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 01:08

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General

Target

552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe
Size

1.1MB
MD5

65e2a9349c75ee34280992ed2e7aa548
SHA1

d57c9017e2cbdb589c2698d899ee7f9063e35142
SHA256

552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa
SHA512

c9e75dc48d42b67cada4b0e91123439c39d1609f241c40e39b0e7461befc1f9016e1c0e13f4046f9c3556284e5ff7befbd810c1bdf48fa7744fe510678c07796
SSDEEP

12288:7fioXCFj7X9WyhW9f1hL5JyqPY3dhaGIUZo6Pku:eoX4tWb1Jy/hvhK6Pt

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
valleycountysar.org
Port:
26
Username:
[email protected]
Password:
fY,FLoadtsiF

Signatures

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

Snake Keylogger payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2112-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2112-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2112-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2112-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2112-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2112-8-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2112-13-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2112-17-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2112-15-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2112-10-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/2748-2-0x00000000002D0000-0x000000000034A000-memory.dmp INDICATOR_EXE_Packed_KoiVM

resource	yara_rule
behavioral1/memory/2748-2-0x00000000002D0000-0x000000000034A000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2112-8-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2112-13-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2112-17-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2112-15-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2112-10-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables with potential process hoocking 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2112-8-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/2112-13-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/2112-17-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/2112-15-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/2112-10-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.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:

552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe

description pid process target process

PID 2748 set thread context of 2112 2748 552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe AddInProcess32.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

AddInProcess32.exe

pid process

2112 AddInProcess32.exe
2112 AddInProcess32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

AddInProcess32.exe

description pid process

Token: SeDebugPrivilege 2112 AddInProcess32.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 2748 set thread context of 2112	2748	552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe	AddInProcess32.exe

pid	process
2112	AddInProcess32.exe
2112	AddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	2112	AddInProcess32.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe

description	pid	process	target process
PID 2748 wrote to memory of 2112	2748	552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe	AddInProcess32.exe
PID 2748 wrote to memory of 2112	2748	552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe	AddInProcess32.exe
PID 2748 wrote to memory of 2112	2748	552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe	AddInProcess32.exe
PID 2748 wrote to memory of 2112	2748	552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe	AddInProcess32.exe
PID 2748 wrote to memory of 2112	2748	552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe	AddInProcess32.exe
PID 2748 wrote to memory of 2112	2748	552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe	AddInProcess32.exe
PID 2748 wrote to memory of 2112	2748	552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe	AddInProcess32.exe
PID 2748 wrote to memory of 2112	2748	552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe	AddInProcess32.exe
PID 2748 wrote to memory of 2112	2748	552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe	AddInProcess32.exe
PID 2748 wrote to memory of 2724	2748	552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe	WerFault.exe
PID 2748 wrote to memory of 2724	2748	552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe	WerFault.exe
PID 2748 wrote to memory of 2724	2748	552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

AddInProcess32.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe
"C:\Users\Admin\AppData\Local\Temp\552e61ad619a32a252b5a7e52dfee9aff417040e147e34bf0111e3f89dc433aa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2748

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2112

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2748 -s 624
2⤵
PID:2724

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2112-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2112-19-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2112-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2112-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2112-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2112-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2112-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2112-23-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-22-0x000000007403E000-0x000000007403F000-memory.dmp

Filesize
4KB

Download
memory/2112-18-0x000000007403E000-0x000000007403F000-memory.dmp

Filesize
4KB

Download
memory/2112-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-3-0x000007FEF5340000-0x000007FEF5D2C000-memory.dmp

Filesize
9.9MB

Download
memory/2748-1-0x0000000000F20000-0x0000000000F28000-memory.dmp

Filesize
32KB

Download
memory/2748-20-0x000007FEF5343000-0x000007FEF5344000-memory.dmp

Filesize
4KB

Download
memory/2748-21-0x000007FEF5340000-0x000007FEF5D2C000-memory.dmp

Filesize
9.9MB

Download
memory/2748-2-0x00000000002D0000-0x000000000034A000-memory.dmp

Filesize
488KB

Download
memory/2748-0-0x000007FEF5343000-0x000007FEF5344000-memory.dmp

Filesize
4KB

Download