snakekeylogger | e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120

Analysis

max time kernel
121s
max time network
145s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 01:56

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General

Target

e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe
Size

687KB
MD5

17dbe32cf7729484300fe788aba6988e
SHA1

2d1ea99bcc2fb89fae2e7fadfd5110e6bf018ad5
SHA256

e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120
SHA512

fe222afbfa6139dbec6fddf7cb27f6dc0ac23ba58d7153db6172d816bf0d45137017277bd875983cf6ed72d8d841c09a2eb64b7143da0a0b7910d64944476a46
SSDEEP

12288:rmIOdB2g4wmof2NP4T/k4GfX7CtyURiaWVpX1rBhEWIXsnQTN7heJ8Vxfv6j:eFmps/OX7CtbB0l9hzIXFTJhPxHO

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

http://103.130.147.85

Signatures

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

Snake Keylogger payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2268-14-0x0000000140000000-0x0000000140024000-memory.dmp	family_snakekeylogger
behavioral1/memory/2268-11-0x0000000140000000-0x0000000140024000-memory.dmp	family_snakekeylogger

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2268-14-0x0000000140000000-0x0000000140024000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2268-11-0x0000000140000000-0x0000000140024000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/2548-4-0x0000000001E90000-0x0000000001EB4000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly

resource	yara_rule
behavioral1/memory/2548-4-0x0000000001E90000-0x0000000001EB4000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2268-14-0x0000000140000000-0x0000000140024000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2268-11-0x0000000140000000-0x0000000140024000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables with potential process hoocking 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2268-14-0x0000000140000000-0x0000000140024000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/2268-11-0x0000000140000000-0x0000000140024000-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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\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

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

Processes:

e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe

description pid process target process

PID 2548 set thread context of 2268 2548 e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exeRegSvcs.exe

pid process

2548 e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe
2268 RegSvcs.exe
2268 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2548 e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe
Token: SeDebugPrivilege 2268 RegSvcs.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 2548 set thread context of 2268	2548	e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe	RegSvcs.exe

pid	process
2548	e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe
2268	RegSvcs.exe
2268	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2548	e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe
Token: SeDebugPrivilege	2268	RegSvcs.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe

description	pid	process	target process
PID 2548 wrote to memory of 2268	2548	e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe	RegSvcs.exe
PID 2548 wrote to memory of 2268	2548	e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe	RegSvcs.exe
PID 2548 wrote to memory of 2268	2548	e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe	RegSvcs.exe
PID 2548 wrote to memory of 2268	2548	e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe	RegSvcs.exe
PID 2548 wrote to memory of 2268	2548	e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe	RegSvcs.exe
PID 2548 wrote to memory of 2268	2548	e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe	RegSvcs.exe
PID 2548 wrote to memory of 2268	2548	e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe
"C:\Users\Admin\AppData\Local\Temp\e1c4089327fb30ab540a7c2c28603d498c06f09198bd9a092a1e138f95c91120.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2548

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2268

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/2268-10-0x0000000140000000-0x0000000140024000-memory.dmp

Filesize
144KB

Download
memory/2268-35-0x000007FEF5CE0000-0x000007FEF66CC000-memory.dmp

Filesize
9.9MB

Download
memory/2268-34-0x000007FEF5CE0000-0x000007FEF66CC000-memory.dmp

Filesize
9.9MB

Download
memory/2268-19-0x000007FEF5CE0000-0x000007FEF66CC000-memory.dmp

Filesize
9.9MB

Download
memory/2268-18-0x000007FEF5CE0000-0x000007FEF66CC000-memory.dmp

Filesize
9.9MB

Download
memory/2268-11-0x0000000140000000-0x0000000140024000-memory.dmp

Filesize
144KB

Download
memory/2268-12-0x000007FFFFFD3000-0x000007FFFFFD4000-memory.dmp

Filesize
4KB

Download
memory/2268-14-0x0000000140000000-0x0000000140024000-memory.dmp

Filesize
144KB

Download
memory/2268-9-0x0000000140000000-0x0000000140024000-memory.dmp

Filesize
144KB

Download
memory/2548-4-0x0000000001E90000-0x0000000001EB4000-memory.dmp

Filesize
144KB

Download
memory/2548-8-0x000007FEF5CE0000-0x000007FEF66CC000-memory.dmp

Filesize
9.9MB

Download
memory/2548-7-0x000000001A810000-0x000000001A876000-memory.dmp

Filesize
408KB

Download
memory/2548-6-0x00000000007E0000-0x00000000007F4000-memory.dmp

Filesize
80KB

Download
memory/2548-5-0x0000000001FD0000-0x0000000001FE6000-memory.dmp

Filesize
88KB

Download
memory/2548-0-0x000007FEF5CE3000-0x000007FEF5CE4000-memory.dmp

Filesize
4KB

Download
memory/2548-17-0x000007FEF5CE0000-0x000007FEF66CC000-memory.dmp

Filesize
9.9MB

Download
memory/2548-3-0x0000000001F40000-0x0000000001FD0000-memory.dmp

Filesize
576KB

Download
memory/2548-2-0x000007FEF5CE0000-0x000007FEF66CC000-memory.dmp

Filesize
9.9MB

Download
memory/2548-1-0x00000000003E0000-0x0000000000490000-memory.dmp

Filesize
704KB

Download