snakekeylogger | 9a0eddd3252af7bf52dfdace863a0bedbdaf434a87b365d06c5d3ad6c1533ee1

General

Target

Purchase Order 24398.exe
Size

587KB
MD5

9f9e89382132182cde0649f42b2b3d48
SHA1

31f54a2f7211f87081ce0ace0ba877c44ec07498
SHA256

f68aec391b587697af9129486e056f79d09618af911b62278e4a9cc7083daf90
SHA512

00410d6bc5043591644414b9b3a8ea83e6063e84a0bd9aa9da46d560a289c1a2bed2bde147f99b580dd6329eb180fc3d69796f432b68c1dc6d9c0f898d3e5b3b
SSDEEP

12288:QAWa+Mv+9MnaG/DlmlGLEHWUlaWuDVfrU/kpkqvdxovK+m:iY+OnhJmscWiavVrgkpkqvdxoid

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7810622048:AAGlXVtU9EeAX6sumC63y05EJISEAmugavs/sendMessage?chat_id=986310232

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1804-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1804-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1804-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1804-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1804-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1640 set thread context of 1804	1640	Purchase Order 24398.exe	28

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	Purchase Order 24398.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1804	RegSvcs.exe
1804	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1804	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 1804	1640	Purchase Order 24398.exe	28
PID 1640 wrote to memory of 1804	1640	Purchase Order 24398.exe	28
PID 1640 wrote to memory of 1804	1640	Purchase Order 24398.exe	28
PID 1640 wrote to memory of 1804	1640	Purchase Order 24398.exe	28
PID 1640 wrote to memory of 1804	1640	Purchase Order 24398.exe	28
PID 1640 wrote to memory of 1804	1640	Purchase Order 24398.exe	28
PID 1640 wrote to memory of 1804	1640	Purchase Order 24398.exe	28
PID 1640 wrote to memory of 1804	1640	Purchase Order 24398.exe	28
PID 1640 wrote to memory of 1804	1640	Purchase Order 24398.exe	28
PID 1640 wrote to memory of 1804	1640	Purchase Order 24398.exe	28
PID 1640 wrote to memory of 1804	1640	Purchase Order 24398.exe	28
PID 1640 wrote to memory of 1804	1640	Purchase Order 24398.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order 24398.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order 24398.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1640
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1640-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/1640-1-0x0000000000A50000-0x0000000000AEA000-memory.dmp

Filesize
616KB

Download
memory/1640-2-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/1640-3-0x00000000004A0000-0x00000000004BE000-memory.dmp

Filesize
120KB

Download
memory/1640-4-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/1640-5-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/1640-6-0x0000000001EF0000-0x0000000001F5A000-memory.dmp

Filesize
424KB

Download
memory/1640-18-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/1804-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1804-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1804-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1804-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1804-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1804-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1804-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1804-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1804-19-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/1804-20-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/1804-21-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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