revengerat | 1d28dc4f4f87e576c59b1925e201539761766b16ead2043ec40d86447f0634e4

General

Target

1d28dc4f4f87e576c59b1925e201539761766b16ead2043ec40d86447f0634e4N.exe
Size

598KB
MD5

9505d70c16345f70b3d5fb0bf86f5af0
SHA1

5e7ef1543be59c23ba733f30414057580060b132
SHA256

1d28dc4f4f87e576c59b1925e201539761766b16ead2043ec40d86447f0634e4
SHA512

339a1d621d6fe7222c548531a933f2219623a2dbf16baf24559948de5f1a90eeb5ae86231a8d1d9529da4b27c430368c896419259a6c56e1bec781ae5f499e5c
SSDEEP

6144:sKWlw1DxDKASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2s:s7lw1Dxu5zfXeYU43fiysgfBnnl2s

Score

10^/10

revengerat discovery stealer trojan

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/0x00070000000195ab-5.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2200	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
2772	1d28dc4f4f87e576c59b1925e201539761766b16ead2043ec40d86447f0634e4N.exe
2772	1d28dc4f4f87e576c59b1925e201539761766b16ead2043ec40d86447f0634e4N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	1d28dc4f4f87e576c59b1925e201539761766b16ead2043ec40d86447f0634e4N.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2772	1d28dc4f4f87e576c59b1925e201539761766b16ead2043ec40d86447f0634e4N.exe
2200	ocs_v71a.exe
2200	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2200	2772	1d28dc4f4f87e576c59b1925e201539761766b16ead2043ec40d86447f0634e4N.exe	30
PID 2772 wrote to memory of 2200	2772	1d28dc4f4f87e576c59b1925e201539761766b16ead2043ec40d86447f0634e4N.exe	30
PID 2772 wrote to memory of 2200	2772	1d28dc4f4f87e576c59b1925e201539761766b16ead2043ec40d86447f0634e4N.exe	30
PID 2772 wrote to memory of 2200	2772	1d28dc4f4f87e576c59b1925e201539761766b16ead2043ec40d86447f0634e4N.exe	30

C:\Users\Admin\AppData\Local\Temp\1d28dc4f4f87e576c59b1925e201539761766b16ead2043ec40d86447f0634e4N.exe
"C:\Users\Admin\AppData\Local\Temp\1d28dc4f4f87e576c59b1925e201539761766b16ead2043ec40d86447f0634e4N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54375556 -chipde -3e10c2347e8c4f99ad27fdc6668f8808 - -BLUB1 -blvnozknmrcflbph -524700
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\OCS\blvnozknmrcflbph.dat

Filesize
83B

MD5
fa5af53530e243e2919445bd84eb7104

SHA1
1955c17f9dbf0544796e0a989b4590b4d61dd3f4

SHA256
0f5142e81fe8c66bb961c54fb277d3e20ab4da4c55cc52253e074c2a8d8ea8df

SHA512
d791d1da06df5d0202cf001e1c30832b58fa5da813b6671fb31f455ee5643e908805eba44d3718a798ac6f4832020b8e770ef0ef84620a74258b27c213c708eb

Download Submit
\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/2200-19-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-20-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-15-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-16-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-17-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-18-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-12-0x000007FEF58FE000-0x000007FEF58FF000-memory.dmp

Filesize
4KB

Download
memory/2200-13-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-21-0x000007FEF58FE000-0x000007FEF58FF000-memory.dmp

Filesize
4KB

Download
memory/2200-22-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-23-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-24-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-25-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-26-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2200-27-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download

Analysis

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