revengerat | 10ff4ae8ec79bb4a0af54c8f2b0d3190fc154dd5a91447a27d050bbba0dd5ebc

General

Target

c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe
Size

1.2MB
MD5

c5d1f49f97f324bb412e19918ed3e8ab
SHA1

326ec2e1f912daea59c0f0e63e1c949c3041d15a
SHA256

10ff4ae8ec79bb4a0af54c8f2b0d3190fc154dd5a91447a27d050bbba0dd5ebc
SHA512

476145196e93021700ae762c0b967b9681d7161c157866de1b8badee3ae2e710dfeead1ababb1705e4339a6ab1c9e20bd7b9746da01d78b7031c704e0d60edfa
SSDEEP

24576:Eq5TfcdHj4fmbC3w2qzY+Ub5LMm/Lpil9KzGvJ6Ls0iB56zeGXw:EUTsamGwxmLpiDSLs0iB5F

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
behavioral1/files/0x0009000000016108-4.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2360	dmr_72.exe

Loads dropped DLL 4 IoCs

pid	Process
2332	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe
2332	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe
2332	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe
2332	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2332-0-0x0000000000280000-0x0000000000514000-memory.dmp	upx
behavioral1/memory/2332-25-0x0000000000280000-0x0000000000514000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2332-25-0x0000000000280000-0x0000000000514000-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	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2332	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2360	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2332	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe
2332	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe
2332	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2332	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe
2332	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe
2332	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2360	dmr_72.exe
2360	dmr_72.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 2360	2332	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe	30
PID 2332 wrote to memory of 2360	2332	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe	30
PID 2332 wrote to memory of 2360	2332	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe	30
PID 2332 wrote to memory of 2360	2332	c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c5d1f49f97f324bb412e19918ed3e8ab_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54470386 -chipderedesign -1017b7cc5a6b4e4d8cc04594241fc02d - -BLUB2 -mlcuhmswtcesszay -2332
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2360

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DMR\mlcuhmswtcesszay.dat

Filesize
155B

MD5
97c23826c5d817744210c85beaf666ff

SHA1
60f59a236184ccc30963bd8cc08418b39c20dd52

SHA256
21e8644339b722980e00afb4f223a3f2567b2d02fdfa9f1604f4cfd61188c304

SHA512
5398e3622284830569bea0cb2fc668ad66652a5b6570cdd60ed29f13918bd4ee9cf6f0cb76e6a8b64cb844b0f62dff7da2e2a0dac1782074506a99a5e5d91b71

Download Submit
\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe

Filesize
403KB

MD5
49aa3d5c6d228a6cee319dba457b2975

SHA1
e44e6f3626cf698e642a56062dbe63eebb12b8d2

SHA256
bf6fd1d8d93ab10f673348129ebc247aab15b298d8f53495c36b3c906560a667

SHA512
47bb939c0f6bfd8a094bc5751f45e3a4bbb7532f965e1ad6f8801973b22c9d95fce3d430b48e2bb691da2ff29b16758af378c32641255b0144a5aeb482b8d833

Download Submit
memory/2332-25-0x0000000000280000-0x0000000000514000-memory.dmp

Filesize
2.6MB

Download
memory/2332-0-0x0000000000280000-0x0000000000514000-memory.dmp

Filesize
2.6MB

Download
memory/2360-22-0x000007FEF5C30000-0x000007FEF661C000-memory.dmp

Filesize
9.9MB

Download
memory/2360-19-0x000007FEF5C30000-0x000007FEF661C000-memory.dmp

Filesize
9.9MB

Download
memory/2360-20-0x000007FEF5C30000-0x000007FEF661C000-memory.dmp

Filesize
9.9MB

Download
memory/2360-21-0x000007FEF5C30000-0x000007FEF661C000-memory.dmp

Filesize
9.9MB

Download
memory/2360-17-0x0000000000150000-0x00000000001BA000-memory.dmp

Filesize
424KB

Download
memory/2360-23-0x000007FEF5C30000-0x000007FEF661C000-memory.dmp

Filesize
9.9MB

Download
memory/2360-16-0x000007FEF5C33000-0x000007FEF5C34000-memory.dmp

Filesize
4KB

Download
memory/2360-26-0x000007FEF5C33000-0x000007FEF5C34000-memory.dmp

Filesize
4KB

Download
memory/2360-27-0x000007FEF5C30000-0x000007FEF661C000-memory.dmp

Filesize
9.9MB

Download
memory/2360-28-0x000007FEF5C30000-0x000007FEF661C000-memory.dmp

Filesize
9.9MB

Download
memory/2360-29-0x000007FEF5C30000-0x000007FEF661C000-memory.dmp

Filesize
9.9MB

Download
memory/2360-30-0x000007FEF5C30000-0x000007FEF661C000-memory.dmp

Filesize
9.9MB

Download
memory/2360-31-0x000007FEF5C30000-0x000007FEF661C000-memory.dmp

Filesize
9.9MB

Download

Analysis

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