revengerat | 257e4c94a89f643675ac749c47c9ab6aaf35a71f68fe27b8ad13068209966646

General

Target

be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exe
Size

97KB
MD5

be981e8c2a43e58bc1d2033366451055
SHA1

e238675da9ddd2dce9302c34eb3944c1b2724bd3
SHA256

257e4c94a89f643675ac749c47c9ab6aaf35a71f68fe27b8ad13068209966646
SHA512

e4f59a708d23123fe9b5ae6287fb2bef37cf1dd141c0aee986235238d420f3d3bf96b3cf6666c5671f2dfe0ae30bc632dc19e35653c3f93e7bfe4537bcb7eef8
SSDEEP

1536:j7uEipr5Jvov7UJlF2+aaaUHMdgHW94Az5OCxEdGC8KiJOaP8PwrVo:jqEXUJlF2+raEAcFdCxEdoVwYvS

Score

10^/10

revengerat discovery stealer trojan

Malware Config

Signatures

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan revengerat

RevengeRat Executable 1 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/files/0x000e0000000233df-10.dat	revengerat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exe

Drops startup file 2 IoCs

Processes:

TuxlerVPN.exe

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TuxlerVPN.exe	TuxlerVPN.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TuxlerVPN.exe	TuxlerVPN.exe

Executes dropped EXE 1 IoCs

Processes:

TuxlerVPN.exe

pid	Process
4952	TuxlerVPN.exe

Drops file in System32 directory 4 IoCs

Processes:

be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exeTuxlerVPN.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\TuxlerVPN.exe	be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\TuxlerVPN.exe	be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\TuxlerVPN.exe	TuxlerVPN.exe
File created	C:\Windows\SysWOW64\TuxlerVPN.exe	TuxlerVPN.exe

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

Processes:

be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exeTuxlerVPN.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TuxlerVPN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exeTuxlerVPN.exe

description	pid	Process
Token: SeDebugPrivilege	1644	be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exe
Token: SeDebugPrivilege	4952	TuxlerVPN.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exe

description	pid	Process	procid_target
PID 1644 wrote to memory of 4952	1644	be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exe	98
PID 1644 wrote to memory of 4952	1644	be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exe	98
PID 1644 wrote to memory of 4952	1644	be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\be981e8c2a43e58bc1d2033366451055_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Windows\SysWOW64\TuxlerVPN.exe
  "C:\Windows\system32\TuxlerVPN.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\TuxlerVPN.exe

Filesize
97KB

MD5
be981e8c2a43e58bc1d2033366451055

SHA1
e238675da9ddd2dce9302c34eb3944c1b2724bd3

SHA256
257e4c94a89f643675ac749c47c9ab6aaf35a71f68fe27b8ad13068209966646

SHA512
e4f59a708d23123fe9b5ae6287fb2bef37cf1dd141c0aee986235238d420f3d3bf96b3cf6666c5671f2dfe0ae30bc632dc19e35653c3f93e7bfe4537bcb7eef8

Download Submit
memory/1644-0-0x0000000074B92000-0x0000000074B93000-memory.dmp

Filesize
4KB

Download
memory/1644-1-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/1644-2-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/1644-3-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/1644-4-0x0000000074B92000-0x0000000074B93000-memory.dmp

Filesize
4KB

Download
memory/1644-5-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/1644-15-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/4952-16-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/4952-17-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/4952-18-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/4952-19-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads