snakekeylogger | f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 01:23

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General

Target

f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe
Size

1.5MB
MD5

ec3fe16c54946213c717a27606f70243
SHA1

d11efe4e0f949ff6b14929cd30ae146c1b4a11c9
SHA256

f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695
SHA512

66125f727ec27d3e1da5c87953e46e928b000d564c784b919ba0b558efe4aa080a2f310e729f03b113ab02bc5aea390bb60a6829d3d586fab414b430d40eab04
SSDEEP

12288:1hNsCbYGek5/68cYvmjZxVcsK3SCv6vcuqVuMDCqg0h+:14CF/6V1xNK3SnUrRh+

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/3008-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/3008-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/3008-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/3008-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/3008-9-0x0000000000400000-0x0000000000426000-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/3008-15-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/3008-13-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/3008-11-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/3008-8-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/3008-9-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/2072-2-0x00000000004D0000-0x000000000054A000-memory.dmp INDICATOR_EXE_Packed_KoiVM

resource	yara_rule
behavioral1/memory/2072-2-0x00000000004D0000-0x000000000054A000-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/3008-15-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/3008-13-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/3008-11-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/3008-8-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/3008-9-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables with potential process hoocking 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3008-15-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/3008-13-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/3008-11-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/3008-8-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/3008-9-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

regsvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regsvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regsvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regsvcs.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

2 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe

description pid process target process

PID 2072 set thread context of 3008 2072 f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe regsvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvcs.exe

pid process

3008 regsvcs.exe
3008 regsvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regsvcs.exe

description pid process

Token: SeDebugPrivilege 3008 regsvcs.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 2072 set thread context of 3008	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	regsvcs.exe

pid	process
3008	regsvcs.exe
3008	regsvcs.exe

description	pid	process
Token: SeDebugPrivilege	3008	regsvcs.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe

description	pid	process	target process
PID 2072 wrote to memory of 3008	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	regsvcs.exe
PID 2072 wrote to memory of 3008	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	regsvcs.exe
PID 2072 wrote to memory of 3008	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	regsvcs.exe
PID 2072 wrote to memory of 3008	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	regsvcs.exe
PID 2072 wrote to memory of 3008	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	regsvcs.exe
PID 2072 wrote to memory of 3008	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	regsvcs.exe
PID 2072 wrote to memory of 3008	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	regsvcs.exe
PID 2072 wrote to memory of 3008	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	regsvcs.exe
PID 2072 wrote to memory of 3008	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	regsvcs.exe
PID 2072 wrote to memory of 3008	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	regsvcs.exe
PID 2072 wrote to memory of 3008	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	regsvcs.exe
PID 2072 wrote to memory of 3008	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	regsvcs.exe
PID 2072 wrote to memory of 2720	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	WerFault.exe
PID 2072 wrote to memory of 2720	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	WerFault.exe
PID 2072 wrote to memory of 2720	2072	f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

regsvcs.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regsvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regsvcs.exe

outlook_win_path 1 IoCs

Processes:

regsvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regsvcs.exe

C:\Users\Admin\AppData\Local\Temp\f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe
"C:\Users\Admin\AppData\Local\Temp\f3c462280fd1964d68c76ff6889bd3c766fa7140c07962dda32c0cb488188695.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2072

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3008

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2072 -s 624
2⤵
PID:2720

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/2072-0-0x000007FEF59C3000-0x000007FEF59C4000-memory.dmp

Filesize
4KB

Download
memory/2072-1-0x0000000001090000-0x0000000001098000-memory.dmp

Filesize
32KB

Download
memory/2072-2-0x00000000004D0000-0x000000000054A000-memory.dmp

Filesize
488KB

Download
memory/2072-3-0x000007FEF59C0000-0x000007FEF63AC000-memory.dmp

Filesize
9.9MB

Download
memory/2072-19-0x000007FEF59C0000-0x000007FEF63AC000-memory.dmp

Filesize
9.9MB

Download
memory/2072-18-0x000007FEF59C3000-0x000007FEF59C4000-memory.dmp

Filesize
4KB

Download
memory/3008-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3008-16-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/3008-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3008-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3008-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3008-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3008-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3008-17-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/3008-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3008-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3008-20-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/3008-21-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download