snakekeylogger | dd7fcb9baee79f7519262d83c27b0cbe76966c5846b976f1896de0ca479419fd

General

Target

SZ062117A.exe
Size

942KB
MD5

2bac43e16b8628df64137abc1c4f2c14
SHA1

252c420492ce99370879e32f256e7799541cf923
SHA256

dd7fcb9baee79f7519262d83c27b0cbe76966c5846b976f1896de0ca479419fd
SHA512

8928da4183e8f96a655572d4afd9ad09464d38422e1b2cf3f11aca2e3a3f9bd865e30a3809202a8225f5d91d41dd5b9c054735a73958168c3302f3a08e84a43b
SSDEEP

24576:su6J33O0c+JY5UZ+XC0kGso6FaVHAIq/t8ZWY:2u0c++OCvkGs9FaVgtY

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7714252675:AAF5QV9JMA3smvi43h79F0rQKxWsloUPXGE/sendMessage?chat_id=6157416799

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3928-12-0x0000000000140000-0x0000000000166000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Downloads MZ/PE file 1 IoCs

flow	pid	Process
59	4136	Process not Found

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3932017190-1449707826-1445630-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3932017190-1449707826-1445630-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3932017190-1449707826-1445630-1000\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
18	checkip.dyndns.org
25	reallyfreegeoip.org
26	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3336 set thread context of 3928	3336	SZ062117A.exe	90

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	SZ062117A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1488	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3928	RegSvcs.exe
3928	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3336	SZ062117A.exe
3336	SZ062117A.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3928	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3336	SZ062117A.exe
3336	SZ062117A.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3336	SZ062117A.exe
3336	SZ062117A.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3336 wrote to memory of 3928	3336	SZ062117A.exe	90
PID 3336 wrote to memory of 3928	3336	SZ062117A.exe	90
PID 3336 wrote to memory of 3928	3336	SZ062117A.exe	90
PID 3336 wrote to memory of 3928	3336	SZ062117A.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3932017190-1449707826-1445630-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3932017190-1449707826-1445630-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SZ062117A.exe
"C:\Users\Admin\AppData\Local\Temp\SZ062117A.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:3336
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\SZ062117A.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:3928

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI5IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY0MzMiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODc1OTU2NTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1Mzk5MzMzMzQxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1488

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3336-11-0x0000000003FC0000-0x0000000003FC4000-memory.dmp

Filesize
16KB

Download
memory/3928-12-0x0000000000140000-0x0000000000166000-memory.dmp

Filesize
152KB

Download
memory/3928-13-0x000000007376E000-0x000000007376F000-memory.dmp

Filesize
4KB

Download
memory/3928-14-0x00000000050E0000-0x0000000005684000-memory.dmp

Filesize
5.6MB

Download
memory/3928-15-0x0000000004B30000-0x0000000004BCC000-memory.dmp

Filesize
624KB

Download
memory/3928-16-0x0000000073760000-0x0000000073F10000-memory.dmp

Filesize
7.7MB

Download
memory/3928-17-0x000000007376E000-0x000000007376F000-memory.dmp

Filesize
4KB

Download
memory/3928-18-0x0000000005CA0000-0x0000000005CF0000-memory.dmp

Filesize
320KB

Download
memory/3928-19-0x0000000005EC0000-0x0000000006082000-memory.dmp

Filesize
1.8MB

Download
memory/3928-20-0x0000000073760000-0x0000000073F10000-memory.dmp

Filesize
7.7MB

Download
memory/3928-21-0x0000000005D90000-0x0000000005E22000-memory.dmp

Filesize
584KB

Download
memory/3928-22-0x0000000005D20000-0x0000000005D2A000-memory.dmp

Filesize
40KB

Download

Analysis

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