snakekeylogger | acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856

General

Target

5Z3G5eSzzXsNUeS.exe
Size

626KB
MD5

64d90715da693eebdd2bb41de45a6c64
SHA1

0d3fcfe3a6a4ff96027d5bbb4c9cb1d6e6312ca0
SHA256

acad9e6b6a2cc70dde6fc6ba4d85171429ca4afc10a3c397937db5e209caf856
SHA512

db984fb74269a267ec97b633b86e4ca004d0344fd9e7cc205ac92aab62bb4bf9d7c007a9e8fb031aba259009f9a6142bb3ed0e360a5d2aa6af8244c7304b349d
SSDEEP

12288:uG0WWObWmOx35tiBPz03A2Ku2RbPU4FUsPTlmfn5sCLbszB4HslTnW:W4DQi903YbPU4UsBmGC/GlTn

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
smtp.1tcl.com
Port:
25
Username:
[email protected]
Password:
RRa*ysS8

Signatures

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

Snake Keylogger payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/720-12-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral2/memory/720-17-0x0000000005A00000-0x0000000005A10000-memory.dmp	family_snakekeylogger
behavioral2/memory/720-21-0x0000000005A00000-0x0000000005A10000-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

Processes:

5Z3G5eSzzXsNUeS.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5Z3G5eSzzXsNUeS.exe
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5Z3G5eSzzXsNUeS.exe
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5Z3G5eSzzXsNUeS.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

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

Processes:

5Z3G5eSzzXsNUeS.exe

description pid process target process

PID 3960 set thread context of 720 3960 5Z3G5eSzzXsNUeS.exe 5Z3G5eSzzXsNUeS.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

5Z3G5eSzzXsNUeS.exe5Z3G5eSzzXsNUeS.exe

pid process

3960 5Z3G5eSzzXsNUeS.exe
3960 5Z3G5eSzzXsNUeS.exe
720 5Z3G5eSzzXsNUeS.exe
720 5Z3G5eSzzXsNUeS.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

5Z3G5eSzzXsNUeS.exe5Z3G5eSzzXsNUeS.exe

description pid process

Token: SeDebugPrivilege 3960 5Z3G5eSzzXsNUeS.exe
Token: SeDebugPrivilege 720 5Z3G5eSzzXsNUeS.exe

flow	ioc
51	checkip.dyndns.org

description	pid	process	target process
PID 3960 set thread context of 720	3960	5Z3G5eSzzXsNUeS.exe	5Z3G5eSzzXsNUeS.exe

pid	process
3960	5Z3G5eSzzXsNUeS.exe
3960	5Z3G5eSzzXsNUeS.exe
720	5Z3G5eSzzXsNUeS.exe
720	5Z3G5eSzzXsNUeS.exe

description	pid	process
Token: SeDebugPrivilege	3960	5Z3G5eSzzXsNUeS.exe
Token: SeDebugPrivilege	720	5Z3G5eSzzXsNUeS.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

5Z3G5eSzzXsNUeS.exe

description	pid	process	target process
PID 3960 wrote to memory of 1768	3960	5Z3G5eSzzXsNUeS.exe	5Z3G5eSzzXsNUeS.exe
PID 3960 wrote to memory of 1768	3960	5Z3G5eSzzXsNUeS.exe	5Z3G5eSzzXsNUeS.exe
PID 3960 wrote to memory of 1768	3960	5Z3G5eSzzXsNUeS.exe	5Z3G5eSzzXsNUeS.exe
PID 3960 wrote to memory of 720	3960	5Z3G5eSzzXsNUeS.exe	5Z3G5eSzzXsNUeS.exe
PID 3960 wrote to memory of 720	3960	5Z3G5eSzzXsNUeS.exe	5Z3G5eSzzXsNUeS.exe
PID 3960 wrote to memory of 720	3960	5Z3G5eSzzXsNUeS.exe	5Z3G5eSzzXsNUeS.exe
PID 3960 wrote to memory of 720	3960	5Z3G5eSzzXsNUeS.exe	5Z3G5eSzzXsNUeS.exe
PID 3960 wrote to memory of 720	3960	5Z3G5eSzzXsNUeS.exe	5Z3G5eSzzXsNUeS.exe
PID 3960 wrote to memory of 720	3960	5Z3G5eSzzXsNUeS.exe	5Z3G5eSzzXsNUeS.exe
PID 3960 wrote to memory of 720	3960	5Z3G5eSzzXsNUeS.exe	5Z3G5eSzzXsNUeS.exe
PID 3960 wrote to memory of 720	3960	5Z3G5eSzzXsNUeS.exe	5Z3G5eSzzXsNUeS.exe

outlook_office_path 1 IoCs

Processes:

5Z3G5eSzzXsNUeS.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5Z3G5eSzzXsNUeS.exe

outlook_win_path 1 IoCs

Processes:

5Z3G5eSzzXsNUeS.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5Z3G5eSzzXsNUeS.exe

C:\Users\Admin\AppData\Local\Temp\5Z3G5eSzzXsNUeS.exe
"C:\Users\Admin\AppData\Local\Temp\5Z3G5eSzzXsNUeS.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3960

C:\Users\Admin\AppData\Local\Temp\5Z3G5eSzzXsNUeS.exe
"C:\Users\Admin\AppData\Local\Temp\5Z3G5eSzzXsNUeS.exe"
2⤵
PID:1768

C:\Users\Admin\AppData\Local\Temp\5Z3G5eSzzXsNUeS.exe
"C:\Users\Admin\AppData\Local\Temp\5Z3G5eSzzXsNUeS.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:720

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5Z3G5eSzzXsNUeS.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/720-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/720-21-0x0000000005A00000-0x0000000005A10000-memory.dmp

Filesize
64KB

Download
memory/720-20-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/720-19-0x0000000006AD0000-0x0000000006C92000-memory.dmp

Filesize
1.8MB

Download
memory/720-18-0x00000000068B0000-0x0000000006900000-memory.dmp

Filesize
320KB

Download
memory/720-17-0x0000000005A00000-0x0000000005A10000-memory.dmp

Filesize
64KB

Download
memory/720-15-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3960-10-0x0000000006220000-0x000000000627E000-memory.dmp

Filesize
376KB

Download
memory/3960-9-0x0000000005A40000-0x0000000005A4C000-memory.dmp

Filesize
48KB

Download
memory/3960-0-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3960-11-0x0000000007840000-0x00000000078DC000-memory.dmp

Filesize
624KB

Download
memory/3960-8-0x0000000005520000-0x0000000005530000-memory.dmp

Filesize
64KB

Download
memory/3960-7-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3960-6-0x0000000005580000-0x0000000005594000-memory.dmp

Filesize
80KB

Download
memory/3960-16-0x00000000746E0000-0x0000000074E90000-memory.dmp

Filesize
7.7MB

Download
memory/3960-5-0x0000000005590000-0x000000000559A000-memory.dmp

Filesize
40KB

Download
memory/3960-4-0x0000000005520000-0x0000000005530000-memory.dmp

Filesize
64KB

Download
memory/3960-3-0x00000000055C0000-0x0000000005652000-memory.dmp

Filesize
584KB

Download
memory/3960-2-0x0000000005B70000-0x0000000006114000-memory.dmp

Filesize
5.6MB

Download
memory/3960-1-0x0000000000AE0000-0x0000000000B82000-memory.dmp

Filesize
648KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads