snakekeylogger | edb1cca28f17cb58bf00da7a1d6cafe547afd28335551d38fca8806e313b1fd2

General

Target

Purchase order (2).exe
Size

627KB
MD5

e46322a13f7e130f2294868039d590db
SHA1

ae76daed525d3a9305b5a590b4b2a537271e82db
SHA256

edb1cca28f17cb58bf00da7a1d6cafe547afd28335551d38fca8806e313b1fd2
SHA512

893ca7fa598a3303a6c4686a51189001f5e77a790c755bc17e11dc7563ba2ecbc713b424d7dbceb05734cc3567543a00d9eb8f9a1e0873f613e52f6bef7acbd5
SSDEEP

12288:S1c4D2Z6Ybj6rEGog8UMevY4JC0B1PVh2Q/S7gTvrpK6NstKy+0H18er3:h+k6YbjeB8UJ/Uy1Pj2Q/S0TvrA6IT+

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
Leternel01@

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2436-12-0x0000000000400000-0x0000000000426000-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-1-5-21-4003209913-3868522715-854928974-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order (2).exe
Key opened	\REGISTRY\USER\S-1-5-21-4003209913-3868522715-854928974-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order (2).exe
Key opened	\REGISTRY\USER\S-1-5-21-4003209913-3868522715-854928974-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order (2).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
25	reallyfreegeoip.org
22	checkip.dyndns.org
24	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4232 set thread context of 2436	4232	Purchase order (2).exe	87

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 (2).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase order (2).exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4232	Purchase order (2).exe
4232	Purchase order (2).exe
2436	Purchase order (2).exe
2436	Purchase order (2).exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4232	Purchase order (2).exe
Token: SeDebugPrivilege	2436	Purchase order (2).exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4232 wrote to memory of 3076	4232	Purchase order (2).exe	86
PID 4232 wrote to memory of 3076	4232	Purchase order (2).exe	86
PID 4232 wrote to memory of 3076	4232	Purchase order (2).exe	86
PID 4232 wrote to memory of 2436	4232	Purchase order (2).exe	87
PID 4232 wrote to memory of 2436	4232	Purchase order (2).exe	87
PID 4232 wrote to memory of 2436	4232	Purchase order (2).exe	87
PID 4232 wrote to memory of 2436	4232	Purchase order (2).exe	87
PID 4232 wrote to memory of 2436	4232	Purchase order (2).exe	87
PID 4232 wrote to memory of 2436	4232	Purchase order (2).exe	87
PID 4232 wrote to memory of 2436	4232	Purchase order (2).exe	87
PID 4232 wrote to memory of 2436	4232	Purchase order (2).exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4003209913-3868522715-854928974-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order (2).exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4003209913-3868522715-854928974-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order (2).exe

C:\Users\Admin\AppData\Local\Temp\Purchase order (2).exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order (2).exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4232
- C:\Users\Admin\AppData\Local\Temp\Purchase order (2).exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase order (2).exe"
  2⤵
  PID:3076
- C:\Users\Admin\AppData\Local\Temp\Purchase order (2).exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase order (2).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:2436

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\Purchase order (2).exe.log

Filesize
1KB

MD5
400f1cc1a0a0ce1cdabda365ab3368ce

SHA1
1ecf683f14271d84f3b6063493dce00ff5f42075

SHA256
c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

SHA512
14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

Download Submit
memory/2436-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2436-20-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/2436-19-0x0000000007080000-0x0000000007242000-memory.dmp

Filesize
1.8MB

Download
memory/2436-18-0x0000000006E60000-0x0000000006EB0000-memory.dmp

Filesize
320KB

Download
memory/2436-17-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/2436-15-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/4232-10-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/4232-8-0x00000000053C0000-0x00000000053DE000-memory.dmp

Filesize
120KB

Download
memory/4232-9-0x000000007525E000-0x000000007525F000-memory.dmp

Filesize
4KB

Download
memory/4232-0-0x000000007525E000-0x000000007525F000-memory.dmp

Filesize
4KB

Download
memory/4232-11-0x0000000000CF0000-0x0000000000D5C000-memory.dmp

Filesize
432KB

Download
memory/4232-7-0x0000000005FD0000-0x0000000006064000-memory.dmp

Filesize
592KB

Download
memory/4232-6-0x0000000005000000-0x000000000509C000-memory.dmp

Filesize
624KB

Download
memory/4232-5-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/4232-16-0x0000000075250000-0x0000000075A00000-memory.dmp

Filesize
7.7MB

Download
memory/4232-4-0x0000000004D60000-0x0000000004D6A000-memory.dmp

Filesize
40KB

Download
memory/4232-3-0x0000000004CA0000-0x0000000004D32000-memory.dmp

Filesize
584KB

Download
memory/4232-2-0x0000000005420000-0x00000000059C4000-memory.dmp

Filesize
5.6MB

Download
memory/4232-1-0x0000000000270000-0x0000000000314000-memory.dmp

Filesize
656KB

Download

Analysis

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