snakekeylogger | 5f6f6e5a9d8b8e79cbe0992b097472a40e3c47c7a131c18c39c2773dcb7f0fc3

General

Target

DETAYLAR.exe
Size

937KB
MD5

e6b56e94b3f34e54f67fcda4fd5b9840
SHA1

c7e1b2a8bca28b118c62a756953454c4603ac81a
SHA256

a00d51621c4254d7e20b8afe9288757bd53d984b9afe143e45f5a18f6f5c636d
SHA512

5b4ffdd7757da93037b34164b3e6a38baf1fbbf78e9832408b75c9d14256b16a39925a24991af9a6966071cbbc28045f97664db9189e4a91d777f67890a47a57
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaCRZ9o1lrrukJ3sySo1emahSjh:7JZoQrbTFZY1iaCf4rrukeLcemUSjh

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8061096285:AAEYYo-FdY3VzqcT3L8EdN5KV_wk8MmCyiw/sendMessage?chat_id=6557702940

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2448-3-0x0000000000400000-0x0000000000426000-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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\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
6	checkip.dyndns.org
16	reallyfreegeoip.org
17	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4988 set thread context of 2448	4988	DETAYLAR.exe	82

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	DETAYLAR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2448	RegSvcs.exe
2448	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4988	DETAYLAR.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2448	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4988	DETAYLAR.exe
4988	DETAYLAR.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4988	DETAYLAR.exe
4988	DETAYLAR.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 2448	4988	DETAYLAR.exe	82
PID 4988 wrote to memory of 2448	4988	DETAYLAR.exe	82
PID 4988 wrote to memory of 2448	4988	DETAYLAR.exe	82
PID 4988 wrote to memory of 2448	4988	DETAYLAR.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\DETAYLAR.exe
"C:\Users\Admin\AppData\Local\Temp\DETAYLAR.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\DETAYLAR.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:2448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2448-3-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2448-4-0x000000007495E000-0x000000007495F000-memory.dmp

Filesize
4KB

Download
memory/2448-5-0x0000000005B60000-0x0000000006104000-memory.dmp

Filesize
5.6MB

Download
memory/2448-6-0x0000000005690000-0x000000000572C000-memory.dmp

Filesize
624KB

Download
memory/2448-7-0x0000000074950000-0x0000000075100000-memory.dmp

Filesize
7.7MB

Download
memory/2448-8-0x000000007495E000-0x000000007495F000-memory.dmp

Filesize
4KB

Download
memory/2448-9-0x0000000074950000-0x0000000075100000-memory.dmp

Filesize
7.7MB

Download
memory/2448-10-0x00000000069E0000-0x0000000006A30000-memory.dmp

Filesize
320KB

Download
memory/2448-11-0x0000000006C00000-0x0000000006DC2000-memory.dmp

Filesize
1.8MB

Download
memory/2448-12-0x0000000006AD0000-0x0000000006B62000-memory.dmp

Filesize
584KB

Download
memory/2448-13-0x0000000006A60000-0x0000000006A6A000-memory.dmp

Filesize
40KB

Download
memory/4988-2-0x00000000043A0000-0x00000000047A0000-memory.dmp

Filesize
4.0MB

Download

Analysis

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