revengerat | 5567d8639abc24eb1fad21256caf47c0c84189da83ca903933918a2c69f17827

General

Target

b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe
Size

1.3MB
MD5

b21eb68bdbe923015c7da49daf5098ee
SHA1

018f3807419de0857c0b1d93ff377149f58573fc
SHA256

5567d8639abc24eb1fad21256caf47c0c84189da83ca903933918a2c69f17827
SHA512

01f3e3ea14bf8369a445eb4155016ab477adff44af596ce2695ed30fb9daec12ce7e3858c1c982c172028f9310d83ebe350762674ab9de5fcb93fface2173f73
SSDEEP

24576:gq5TfcdHj4fmbp4zF2qy+Vf3oVGUG5y6zl8O3uXWVpA4yozB1X:gUTsamizFx/f3oVGUGfuXYA6

Score

10^/10

revengerat discovery stealer trojan upx

Malware Config

Signatures

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

RevengeRat Executable 1 IoCs

stealer

resource	yara_rule
behavioral2/files/0x000700000002343a-6.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4088	dmr_72.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4496-0-0x0000000000BA0000-0x0000000000E62000-memory.dmp	upx
behavioral2/memory/4496-20-0x0000000000BA0000-0x0000000000E62000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4496-20-0x0000000000BA0000-0x0000000000E62000-memory.dmp	autoit_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 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	b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4496	b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe
4496	b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe
4088	dmr_72.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4496	b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4088	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4496	b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe
4496	b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe
4496	b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4496	b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe
4496	b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe
4496	b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4088	dmr_72.exe
4088	dmr_72.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 4088	4496	b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe	85
PID 4496 wrote to memory of 4088	4496	b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b21eb68bdbe923015c7da49daf5098ee_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -69083451 -focus -67676d5d6ce846018e63132b650ac11f - -landingpage -rikdvsxmhrfaubee -4496
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4088

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe

Filesize
448KB

MD5
b4a0146baa90f5492ab02e870e85c409

SHA1
7b0ea47c654d906ae28fcb182eeb5a8c3bef4978

SHA256
d6587abcdb9ef01d5b6106566648a2a22fa900d1af7adb5f9fa0db831a01ee5a

SHA512
0fadeb7c52088cb7cafc0a1300ffb41ab18dfcfd50a17bfac07d8581964835af89b72188162f2c080b2da9ca9f0dd83733632b857fa6d6b388bee12be697bee2

Download Submit
C:\Users\Admin\AppData\Local\Temp\DMR\rikdvsxmhrfaubee.dat

Filesize
69B

MD5
5635deae8836501e21f990e7e5b5f0fd

SHA1
c686a815b6b8892a5f179a36adf9afe274517db8

SHA256
68b79065372198e54d7584387b15f2bd7b4bcac65fd3fec8d054ee76e93a3510

SHA512
e76d30d369bd1cc02b1a1da378b5e340c9add72766dad53a3bb09b856567814c1d6c1828c58eb7637cdbaceda337681441f9b3cc1b701edc15c8647244a06116

Download Submit
memory/4088-13-0x00007FFFC56F3000-0x00007FFFC56F5000-memory.dmp

Filesize
8KB

Download
memory/4088-14-0x0000000000120000-0x0000000000194000-memory.dmp

Filesize
464KB

Download
memory/4088-16-0x00007FFFC56F0000-0x00007FFFC61B1000-memory.dmp

Filesize
10.8MB

Download
memory/4088-17-0x00007FFFC56F0000-0x00007FFFC61B1000-memory.dmp

Filesize
10.8MB

Download
memory/4088-18-0x00007FFFC56F0000-0x00007FFFC61B1000-memory.dmp

Filesize
10.8MB

Download
memory/4088-19-0x00007FFFC56F0000-0x00007FFFC61B1000-memory.dmp

Filesize
10.8MB

Download
memory/4088-22-0x000000001B0B0000-0x000000001B14A000-memory.dmp

Filesize
616KB

Download
memory/4088-23-0x00007FFFC56F0000-0x00007FFFC61B1000-memory.dmp

Filesize
10.8MB

Download
memory/4496-0-0x0000000000BA0000-0x0000000000E62000-memory.dmp

Filesize
2.8MB

Download
memory/4496-20-0x0000000000BA0000-0x0000000000E62000-memory.dmp

Filesize
2.8MB

Download

Analysis

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