snakekeylogger | 14e06136df7cb1d702865305be8e50343153003f1faf2fd55d85480abc14354d

General

Target

SK09876.exe
Size

616KB
MD5

eeec5bbe187667b25e6b6b8e68d4dcce
SHA1

12150c63ad276e94e3270ce3169c1afce22534f2
SHA256

14e06136df7cb1d702865305be8e50343153003f1faf2fd55d85480abc14354d
SHA512

9f65522b95e38c15a6cfb545a0b617b6fc123ae4800ad57c2e65e92eeaf3a3ef1c1df339d4716f0a41310f0600c3c1b81bf30f101550aabb21ff1eca4e133454
SSDEEP

12288:v6Wq4aaE6KwyF5L0Y2D1PqLx8HgCKxYWFJ/MIGcEDhL53TleNU9AFbmdyh:tthEVaPqLx8HgCKd7mlDhNUNUKJjh

Score

10^/10

snakekeylogger collection discovery keylogger stealer upx

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.daipro.com.mx
Port:
587
Username:
[email protected]
Password:
DAIpro123**
Email To:
[email protected]

C2

https://scratchdreams.tk

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/776-15-0x0000000000350000-0x0000000000376000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ambiparous.vbs	ambiparous.exe

Executes dropped EXE 1 IoCs

pid	Process
4768	ambiparous.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\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
12	checkip.dyndns.org
16	reallyfreegeoip.org
17	reallyfreegeoip.org

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2624-9-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe
behavioral2/memory/4768-17-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4768 set thread context of 776	4768	ambiparous.exe	84

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2624-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/files/0x0031000000023b76-6.dat	upx
behavioral2/memory/2624-9-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/4768-17-0x0000000000400000-0x00000000004C2000-memory.dmp	upx

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 3 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	SK09876.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ambiparous.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
776	RegSvcs.exe
776	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4768	ambiparous.exe
4768	ambiparous.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	776	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2624	SK09876.exe
2624	SK09876.exe
4768	ambiparous.exe
4768	ambiparous.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2624	SK09876.exe
2624	SK09876.exe
4768	ambiparous.exe
4768	ambiparous.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 4768	2624	SK09876.exe	83
PID 2624 wrote to memory of 4768	2624	SK09876.exe	83
PID 2624 wrote to memory of 4768	2624	SK09876.exe	83
PID 4768 wrote to memory of 776	4768	ambiparous.exe	84
PID 4768 wrote to memory of 776	4768	ambiparous.exe	84
PID 4768 wrote to memory of 776	4768	ambiparous.exe	84
PID 4768 wrote to memory of 776	4768	ambiparous.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SK09876.exe
"C:\Users\Admin\AppData\Local\Temp\SK09876.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Users\Admin\AppData\Local\sacculation\ambiparous.exe
  "C:\Users\Admin\AppData\Local\Temp\SK09876.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - 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:4768
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\SK09876.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:776

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

C:\Users\Admin\AppData\Local\Temp\hepatoduodenostomy

Filesize
130KB

MD5
87b75c1d62a1d434f5905b7dca3c5e67

SHA1
254bf07cd1672f24a313099b7fcbf88802165308

SHA256
38aed3157a49d7604bb7d435ac5ab4cad4184b6c7bb63a9322430d37bcb4758b

SHA512
f14fffafa7912e80be64a3d854205d1b02dfdb69ca1eef4c420b7f9125bc64867900d0da1422e5b59ec24e083e0834f55c31bec5f1133d84d606e3429aa962fa

Download Submit
C:\Users\Admin\AppData\Local\sacculation\ambiparous.exe

Filesize
616KB

MD5
eeec5bbe187667b25e6b6b8e68d4dcce

SHA1
12150c63ad276e94e3270ce3169c1afce22534f2

SHA256
14e06136df7cb1d702865305be8e50343153003f1faf2fd55d85480abc14354d

SHA512
9f65522b95e38c15a6cfb545a0b617b6fc123ae4800ad57c2e65e92eeaf3a3ef1c1df339d4716f0a41310f0600c3c1b81bf30f101550aabb21ff1eca4e133454

Download Submit
memory/776-18-0x000000007457E000-0x000000007457F000-memory.dmp

Filesize
4KB

Download
memory/776-19-0x0000000005300000-0x00000000058A4000-memory.dmp

Filesize
5.6MB

Download
memory/776-27-0x0000000006080000-0x000000000608A000-memory.dmp

Filesize
40KB

Download
memory/776-26-0x00000000060B0000-0x0000000006142000-memory.dmp

Filesize
584KB

Download
memory/776-15-0x0000000000350000-0x0000000000376000-memory.dmp

Filesize
152KB

Download
memory/776-25-0x00000000061E0000-0x00000000063A2000-memory.dmp

Filesize
1.8MB

Download
memory/776-24-0x0000000005FC0000-0x0000000006010000-memory.dmp

Filesize
320KB

Download
memory/776-23-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/776-20-0x0000000004D50000-0x0000000004DEC000-memory.dmp

Filesize
624KB

Download
memory/776-21-0x0000000074570000-0x0000000074D20000-memory.dmp

Filesize
7.7MB

Download
memory/776-22-0x000000007457E000-0x000000007457F000-memory.dmp

Filesize
4KB

Download
memory/2624-9-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2624-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2624-3-0x00000000040C0000-0x00000000042C0000-memory.dmp

Filesize
2.0MB

Download
memory/4768-17-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/4768-13-0x0000000003B90000-0x0000000003D90000-memory.dmp

Filesize
2.0MB

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Analysis

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