revengerat | 2d0d5e5d693fc60c43558582dad0e4e3970e8ea48dd4cc617e6e970632d642d3

General

Target

c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe
Size

1.3MB
MD5

c85e9223f39a45884260c78b0b5d45fa
SHA1

e9b9a1d025a31a82041ab39591a02a76ced55af4
SHA256

2d0d5e5d693fc60c43558582dad0e4e3970e8ea48dd4cc617e6e970632d642d3
SHA512

46055f813d8361aa8897bd1fb6b9cb173332e57ed8c54e7c9c3748d3b301239e4b446eb6b437ccea9084815a4efecef007b3fec002a567d16b826ee1ef0b19e3
SSDEEP

24576:Oq5TfcdHj4fmbpD2q1+Vf3oVGUG5y6zl8O3uXWVpA4yozB1B:OUTsamRxMf3oVGUGfuXYAQ

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/0x000700000002345d-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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2996	dmr_72.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3756-0-0x0000000000D30000-0x0000000000FF2000-memory.dmp	upx
behavioral2/memory/3756-20-0x0000000000D30000-0x0000000000FF2000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3756-20-0x0000000000D30000-0x0000000000FF2000-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	c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3756	c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe
3756	c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe
2996	dmr_72.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3756	c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2996	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3756	c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe
3756	c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe
3756	c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3756	c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe
3756	c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe
3756	c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2996	dmr_72.exe
2996	dmr_72.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 2996	3756	c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe	85
PID 3756 wrote to memory of 2996	3756	c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\c85e9223f39a45884260c78b0b5d45fa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c85e9223f39a45884260c78b0b5d45fa_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:3756
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54380618 -chipderedesign -65b146a0aaae42a8a69ceefd61980137 - -BLUB2 -wefkgbnzzghbodel -3756
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2996

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\wefkgbnzzghbodel.dat

Filesize
163B

MD5
f187552845413a7e2d8e2013e98607ae

SHA1
bc8682cdb939348ad148f98ebf583083d6efe470

SHA256
de497f268483d31f3211366087cfa44645364b897b6747c67a953028727c1b9b

SHA512
9a5c612b484ec707fad1f3822984b8f0eeeb8330d5f89e5fbd6c6c02e9afee826d44b2afb290a9498c04535b5cc5ec3fef65bac6f06344e401e2a8e954386605

Download Submit
memory/2996-13-0x00007FFCD1573000-0x00007FFCD1575000-memory.dmp

Filesize
8KB

Download
memory/2996-14-0x0000000000510000-0x0000000000584000-memory.dmp

Filesize
464KB

Download
memory/2996-16-0x00007FFCD1570000-0x00007FFCD2031000-memory.dmp

Filesize
10.8MB

Download
memory/2996-17-0x00007FFCD1570000-0x00007FFCD2031000-memory.dmp

Filesize
10.8MB

Download
memory/2996-18-0x00007FFCD1570000-0x00007FFCD2031000-memory.dmp

Filesize
10.8MB

Download
memory/2996-19-0x00007FFCD1570000-0x00007FFCD2031000-memory.dmp

Filesize
10.8MB

Download
memory/2996-22-0x00007FFCD1570000-0x00007FFCD2031000-memory.dmp

Filesize
10.8MB

Download
memory/3756-0-0x0000000000D30000-0x0000000000FF2000-memory.dmp

Filesize
2.8MB

Download
memory/3756-20-0x0000000000D30000-0x0000000000FF2000-memory.dmp

Filesize
2.8MB

Download

Analysis

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