revengerat | ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bb

General

Target

ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe
Size

1.4MB
MD5

e636d53502c191b8822f7ac4ca2be6f0
SHA1

3df3c3cdd41a41d8c9c8091200cdace4dc1cd49f
SHA256

ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bb
SHA512

3e3be0f83c452b6102e57a67663b01eabf169e2e5af4bb6065bb4118c8a7935d6028573f9b0b6b9ca35182aae301447ec1e5d632e3c4a0c70a245a89dea5c87f
SSDEEP

24576:Bq5TfcdHj4fmb9Ve9y2qYmIMeYyBMLVzjrKEzKJ9TtL3/7/ij+O0zQJ9TtD5lG:BUTsamC9yxVjw53ij+252

Score

10^/10

revengerat discovery stealer trojan upx

Malware Config

Signatures

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

RevengeRat Executable 1 IoCs

stealer

resource	yara_rule
behavioral1/files/0x00090000000162e4-4.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2524	dmr_72.exe

Loads dropped DLL 4 IoCs

pid	Process
2396	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe
2396	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe
2396	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe
2396	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2396-25-0x0000000000820000-0x0000000000B1D000-memory.dmp	autoit_exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2396-0-0x0000000000820000-0x0000000000B1D000-memory.dmp	upx
behavioral1/memory/2396-25-0x0000000000820000-0x0000000000B1D000-memory.dmp	upx

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	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2396	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2396	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe
2396	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe
2396	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2396	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe
2396	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe
2396	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2524	dmr_72.exe
2524	dmr_72.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2524	2396	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe	30
PID 2396 wrote to memory of 2524	2396	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe	30
PID 2396 wrote to memory of 2524	2396	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe	30
PID 2396 wrote to memory of 2524	2396	ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe	30

C:\Users\Admin\AppData\Local\Temp\ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe
"C:\Users\Admin\AppData\Local\Temp\ccfcd88a55fd550f63d8ba2c045c08522ec1b3815b22bac3d2ddaf1d392e35bbN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54452189 -chipderedesign -cb3f4f1113bd47f8ba4aeeff9b612478 - -BLUB2 -hikmycsllvlshiyr -2396
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2524

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

Loading Replay Monitor...

Downloads

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

Filesize
151B

MD5
75f9dce33881162d03f81b488fb75cd2

SHA1
61f4dc0c24458d1b86b7f50972c526352d76609b

SHA256
184b367c3d00c3581c876c5e8c10b3e4aced6548a25de04d99689fed340c9486

SHA512
fed1e905639036113aef745b177efdc48080ac1d26fe4c7100885ffd4d996abae025203239bb0ee1c48bef98e1f415f1b86e3a6db8096a25ebdab8431d5262be

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

Filesize
508KB

MD5
b65551132bca2fbdf2abbf4f73c4c457

SHA1
c1c66aa7ffd537df1720dd63e3be4e009b0793f2

SHA256
4b93ad5de51d187c10465421d9bf83491d35ad7ca74c4ea066ac0dc0ed9a07e0

SHA512
7232c84ef8775322fbddc27603d34f0025a07503f00099c7cffa8ff0689f131f01dd38fb542cbb75d12157090824d2631a573196f2b19c8b34a3f3b4d4b46323

Download Submit
memory/2396-0-0x0000000000820000-0x0000000000B1D000-memory.dmp

Filesize
3.0MB

Download
memory/2396-25-0x0000000000820000-0x0000000000B1D000-memory.dmp

Filesize
3.0MB

Download
memory/2524-16-0x000007FEF5E43000-0x000007FEF5E44000-memory.dmp

Filesize
4KB

Download
memory/2524-17-0x00000000010F0000-0x0000000001174000-memory.dmp

Filesize
528KB

Download
memory/2524-19-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp

Filesize
9.9MB

Download
memory/2524-20-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp

Filesize
9.9MB

Download
memory/2524-23-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp

Filesize
9.9MB

Download
memory/2524-22-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp

Filesize
9.9MB

Download
memory/2524-21-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp

Filesize
9.9MB

Download
memory/2524-26-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing