revengerat | 2d1ce85db625dfaa05aba669f90d5d00557ac99e48f1be4be3143b0df39e8580

General

Target

17a1df75fcc3285e08b1e3cf7ca53710N.exe
Size

1.4MB
MD5

17a1df75fcc3285e08b1e3cf7ca53710
SHA1

641fc49ad18ebab095eeefd22780af82a689f3c5
SHA256

2d1ce85db625dfaa05aba669f90d5d00557ac99e48f1be4be3143b0df39e8580
SHA512

6088c45d17898b64c91f870ecacd8b7731c8f7caac682cfabdbc85e0b2e610c53d851bc4245d686a5dff4ec142fabca2815805effb00b583bae73d78cd386fb2
SSDEEP

24576:mq5TfcdHj4fmb82qdEzKJ9Ttr1LnUA8sYtWY1YPI+0zQJ9TtFsVquE9sYtWYwYPF:mUTsamgxn5TYtWY1YPD56YtWYwYPF

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/0x00070000000234e7-6.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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	17a1df75fcc3285e08b1e3cf7ca53710N.exe

Executes dropped EXE 1 IoCs

pid	Process
1444	dmr_72.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4928-0-0x0000000000600000-0x0000000000908000-memory.dmp	upx
behavioral2/memory/4928-20-0x0000000000600000-0x0000000000908000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4928-20-0x0000000000600000-0x0000000000908000-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	17a1df75fcc3285e08b1e3cf7ca53710N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	17a1df75fcc3285e08b1e3cf7ca53710N.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	17a1df75fcc3285e08b1e3cf7ca53710N.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4928	17a1df75fcc3285e08b1e3cf7ca53710N.exe
4928	17a1df75fcc3285e08b1e3cf7ca53710N.exe
1444	dmr_72.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4928	17a1df75fcc3285e08b1e3cf7ca53710N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1444	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4928	17a1df75fcc3285e08b1e3cf7ca53710N.exe
4928	17a1df75fcc3285e08b1e3cf7ca53710N.exe
4928	17a1df75fcc3285e08b1e3cf7ca53710N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4928	17a1df75fcc3285e08b1e3cf7ca53710N.exe
4928	17a1df75fcc3285e08b1e3cf7ca53710N.exe
4928	17a1df75fcc3285e08b1e3cf7ca53710N.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1444	dmr_72.exe
1444	dmr_72.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 1444	4928	17a1df75fcc3285e08b1e3cf7ca53710N.exe	85
PID 4928 wrote to memory of 1444	4928	17a1df75fcc3285e08b1e3cf7ca53710N.exe	85

C:\Users\Admin\AppData\Local\Temp\17a1df75fcc3285e08b1e3cf7ca53710N.exe
"C:\Users\Admin\AppData\Local\Temp\17a1df75fcc3285e08b1e3cf7ca53710N.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:4928
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54378657 -chipderedesign -c6e702853042425eb77cde7d4e62c543 - -BLUB2 -oktwptblkoufxfwl -4928
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1444

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
519KB

MD5
86bbe406e61ec4ee3e7d450c890feba9

SHA1
9075092093489ecbc4877317de8aaf3dac4e8178

SHA256
da79ce0aae248b8b90648152eab7a91d7420e6ee2fce58e072eff9fd6216ffc1

SHA512
066a5d099572ab23f118009e6cd978af0ee18ff5b5451d141fb461e2ff25c15959b5b69fe411322a805eb5ef407335441131b7e02be9f6d361181477e439d1bf

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

Filesize
197B

MD5
421031f8fc1018efbfccc8c9224aea18

SHA1
f729a851ff9cdd236e3a5b6e78d1f671bf76a1a0

SHA256
957cc0883713cef9497034874c9490f832fb4b32f339651c2235c204eb08ee10

SHA512
a96f823d73085c7b2cf1056120924c807a845c6e47ca5e1b4029c6e69fc0c58565038b92dad920840ea800e253e8988a3c4b5d0c68bc0d5b9f1a5494de828f9f

Download Submit
memory/1444-13-0x00007FF9A3423000-0x00007FF9A3425000-memory.dmp

Filesize
8KB

Download
memory/1444-14-0x00000000007F0000-0x0000000000878000-memory.dmp

Filesize
544KB

Download
memory/1444-16-0x00007FF9A3420000-0x00007FF9A3EE1000-memory.dmp

Filesize
10.8MB

Download
memory/1444-17-0x00007FF9A3420000-0x00007FF9A3EE1000-memory.dmp

Filesize
10.8MB

Download
memory/1444-18-0x00007FF9A3420000-0x00007FF9A3EE1000-memory.dmp

Filesize
10.8MB

Download
memory/1444-19-0x00007FF9A3420000-0x00007FF9A3EE1000-memory.dmp

Filesize
10.8MB

Download
memory/1444-22-0x00007FF9A3420000-0x00007FF9A3EE1000-memory.dmp

Filesize
10.8MB

Download
memory/4928-0-0x0000000000600000-0x0000000000908000-memory.dmp

Filesize
3.0MB

Download
memory/4928-20-0x0000000000600000-0x0000000000908000-memory.dmp

Filesize
3.0MB

Download

Analysis

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