snakekeylogger | 7b0e695718975e5743a2b0db5e119826d1715d1d274c3859276bd390c0e3602a

General

Target

Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe
Size

683KB
MD5

adb3f7a91a7aef13a01c2675459495fa
SHA1

bfa5e2582adf7077fdb5f1536ab29e4a419f8c0f
SHA256

72e253234552253ae4a75775c1c42c4d799e96a4b1b369f52519654a7d8458f7
SHA512

4ceb65eb0081012f9124f8c33f51b15001d3aba25152af34b427a9f59e7e4ded7a07f1ba5d2d08fd1aaeea8c31188f6cd9d3e6833987ddfa10bce2d778ccc0e9
SSDEEP

12288:m4JF8B6slRIp4QFMcrKTyxleaohl6dEVOAx6il4aHyzK8fUkJiL:m4NsRG4pcTxd2l6C4BI4aSz3Ji

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7471415635:AAEA2wRbrQkd9OwoRD_hL1tDceuiErS34CY/sendMessage?chat_id=1613755033

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1588-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger 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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
37	checkip.dyndns.org
39	reallyfreegeoip.org
40	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3352 set thread context of 1588	3352	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe	96

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1588	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe
1588	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1588	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 1588	3352	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe	96
PID 3352 wrote to memory of 1588	3352	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe	96
PID 3352 wrote to memory of 1588	3352	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe	96
PID 3352 wrote to memory of 1588	3352	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe	96
PID 3352 wrote to memory of 1588	3352	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe	96
PID 3352 wrote to memory of 1588	3352	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe	96
PID 3352 wrote to memory of 1588	3352	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe	96
PID 3352 wrote to memory of 1588	3352	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4174397412-4125106315-2776226590-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe

C:\Users\Admin\AppData\Local\Temp\Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe
"C:\Users\Admin\AppData\Local\Temp\Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3352
- C:\Users\Admin\AppData\Local\Temp\Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe
  "C:\Users\Admin\AppData\Local\Temp\Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Supply Tender documents (5 Years Agreement for Supply)_PDF_.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1588-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1588-20-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/1588-19-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/1588-18-0x0000000006D80000-0x0000000006F42000-memory.dmp

Filesize
1.8MB

Download
memory/1588-17-0x0000000006B60000-0x0000000006BB0000-memory.dmp

Filesize
320KB

Download
memory/1588-16-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/1588-14-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/3352-5-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/3352-9-0x00000000033A0000-0x000000000340C000-memory.dmp

Filesize
432KB

Download
memory/3352-10-0x0000000006E30000-0x0000000006ECC000-memory.dmp

Filesize
624KB

Download
memory/3352-8-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/3352-7-0x000000007514E000-0x000000007514F000-memory.dmp

Filesize
4KB

Download
memory/3352-6-0x0000000007040000-0x000000000705E000-memory.dmp

Filesize
120KB

Download
memory/3352-15-0x0000000075140000-0x00000000758F0000-memory.dmp

Filesize
7.7MB

Download
memory/3352-0-0x000000007514E000-0x000000007514F000-memory.dmp

Filesize
4KB

Download
memory/3352-4-0x00000000059E0000-0x00000000059EA000-memory.dmp

Filesize
40KB

Download
memory/3352-3-0x0000000005A10000-0x0000000005AA2000-memory.dmp

Filesize
584KB

Download
memory/3352-2-0x0000000005F20000-0x00000000064C4000-memory.dmp

Filesize
5.6MB

Download
memory/3352-1-0x0000000000F60000-0x0000000001012000-memory.dmp

Filesize
712KB

Download

Analysis

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