snakekeylogger | 235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5

Analysis

max time kernel
125s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 01:02

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General

Target

235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe
Size

3.0MB
MD5

57cb0d1fbbe7e57e906d9bec624ff50f
SHA1

d8eeb1c8e4530d619c7a5927fec5fcc892e0b24f
SHA256

235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5
SHA512

7d0be14e10f4174648cb597b9f8b32883088b9fed59cd4812339cdb379746e49b58dfb357d733fcb9b73c725451b64f6588e328518091b6311ef38c1dc41d886
SSDEEP

12288:RaoerDVWSJRvp61xGNoQOgR4FeGQ5fzF2M9PbxyWnnMRGIliKj:RinVl1Yeo0R4FeHX2qwRFj

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 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/212-4-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/212-4-0x0000000000400000-0x0000000000426000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers
Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/1584-2-0x000001F3FF480000-0x000001F3FF4FA000-memory.dmp INDICATOR_EXE_Packed_KoiVM
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/212-4-0x0000000000400000-0x0000000000426000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Detects executables with potential process hoocking 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/212-4-0x0000000000400000-0x0000000000426000-memory.dmp INDICATOR_SUSPICIOUS_EXE_DotNetProcHook

resource	yara_rule
behavioral2/memory/212-4-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

resource	yara_rule
behavioral2/memory/212-4-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

resource	yara_rule
behavioral2/memory/1584-2-0x000001F3FF480000-0x000001F3FF4FA000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

resource	yara_rule
behavioral2/memory/212-4-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

resource	yara_rule
behavioral2/memory/212-4-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

installutil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.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

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

Processes:

235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe

description pid process target process

PID 1584 set thread context of 212 1584 235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe installutil.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

installutil.exe

pid process

212 installutil.exe
212 installutil.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

installutil.exe

description pid process

Token: SeDebugPrivilege 212 installutil.exe

flow	ioc
16	checkip.dyndns.org

description	pid	process	target process
PID 1584 set thread context of 212	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	installutil.exe

pid	process
212	installutil.exe
212	installutil.exe

description	pid	process
Token: SeDebugPrivilege	212	installutil.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe

description	pid	process	target process
PID 1584 wrote to memory of 1164	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	regasm.exe
PID 1584 wrote to memory of 1164	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	regasm.exe
PID 1584 wrote to memory of 1164	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	regasm.exe
PID 1584 wrote to memory of 4980	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	regsvcs.exe
PID 1584 wrote to memory of 4980	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	regsvcs.exe
PID 1584 wrote to memory of 4980	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	regsvcs.exe
PID 1584 wrote to memory of 4400	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	CasPol.exe
PID 1584 wrote to memory of 4400	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	CasPol.exe
PID 1584 wrote to memory of 4400	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	CasPol.exe
PID 1584 wrote to memory of 3008	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	AddInProcess32.exe
PID 1584 wrote to memory of 3008	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	AddInProcess32.exe
PID 1584 wrote to memory of 3008	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	AddInProcess32.exe
PID 1584 wrote to memory of 212	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	installutil.exe
PID 1584 wrote to memory of 212	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	installutil.exe
PID 1584 wrote to memory of 212	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	installutil.exe
PID 1584 wrote to memory of 212	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	installutil.exe
PID 1584 wrote to memory of 212	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	installutil.exe
PID 1584 wrote to memory of 212	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	installutil.exe
PID 1584 wrote to memory of 212	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	installutil.exe
PID 1584 wrote to memory of 212	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	installutil.exe
PID 1584 wrote to memory of 2440	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	installutil.exe
PID 1584 wrote to memory of 2440	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	installutil.exe
PID 1584 wrote to memory of 2440	1584	235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe	installutil.exe

outlook_office_path 1 IoCs

Processes:

installutil.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 installutil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe

outlook_win_path 1 IoCs

Processes:

installutil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installutil.exe

C:\Users\Admin\AppData\Local\Temp\235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe
"C:\Users\Admin\AppData\Local\Temp\235feecbf39c506144e406ee52d764d830e5124d113280a5e339bf3bdee978a5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1584

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
2⤵
PID:1164

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
2⤵
PID:4980

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
PID:4400

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
2⤵
PID:3008

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:212

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
2⤵
PID:2440

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4328,i,5047420736443372512,9747851268033796534,262144 --variations-seed-version --mojo-platform-channel-handle=4356 /prefetch:8
1⤵
PID:2648

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/212-8-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/212-10-0x00000000061D0000-0x0000000006220000-memory.dmp

Filesize
320KB

Download
memory/212-15-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/212-14-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/212-13-0x0000000006250000-0x000000000625A000-memory.dmp

Filesize
40KB

Download
memory/212-5-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/212-12-0x00000000062C0000-0x0000000006352000-memory.dmp

Filesize
584KB

Download
memory/212-6-0x0000000005560000-0x0000000005B04000-memory.dmp

Filesize
5.6MB

Download
memory/212-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/212-11-0x00000000063F0000-0x00000000065B2000-memory.dmp

Filesize
1.8MB

Download
memory/212-7-0x0000000004FB0000-0x000000000504C000-memory.dmp

Filesize
624KB

Download
memory/1584-9-0x00007FF82A1E0000-0x00007FF82ACA1000-memory.dmp

Filesize
10.8MB

Download
memory/1584-1-0x00007FF82A1E3000-0x00007FF82A1E5000-memory.dmp

Filesize
8KB

Download
memory/1584-0-0x000001F3FD8C0000-0x000001F3FD8C8000-memory.dmp

Filesize
32KB

Download
memory/1584-3-0x00007FF82A1E0000-0x00007FF82ACA1000-memory.dmp

Filesize
10.8MB

Download
memory/1584-2-0x000001F3FF480000-0x000001F3FF4FA000-memory.dmp

Filesize
488KB

Download