revengerat | 36546b9926ac60edc6732beeaf44f3e77061ee1762df3f375805f60f8fbbcc6a

General

Target

JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe
Size

1.4MB
MD5

699a064fb96c1fbb621f2aa0831fbb10
SHA1

9e04fc3f67884afcee3c5f8c9ca71a78ee35c766
SHA256

36546b9926ac60edc6732beeaf44f3e77061ee1762df3f375805f60f8fbbcc6a
SHA512

e6913fc0b7bd724452f79f063e83945f600a5cfab17dabef13ea11f20777b77d9f3b80b40a2b3ff3eb93784d30cb47f335aaec73d3c4a88ffc4882808b8dbebd
SSDEEP

24576:Iq5TfcdHj4fmbrJ2qWK0smVkVMygqlbySEzKJ9TtLkrHtclGtX0zQJ9TtD7WC:IUTsam5xBlP5flGt5F

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
behavioral2/files/0x000c000000023b70-6.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe

Executes dropped EXE 1 IoCs

pid	Process
4748	dmr_72.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2576-20-0x0000000000A60000-0x0000000000D55000-memory.dmp	autoit_exe
behavioral2/memory/2576-21-0x0000000000A60000-0x0000000000D55000-memory.dmp	autoit_exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2576-0-0x0000000000A60000-0x0000000000D55000-memory.dmp	upx
behavioral2/memory/2576-20-0x0000000000A60000-0x0000000000D55000-memory.dmp	upx
behavioral2/memory/2576-21-0x0000000000A60000-0x0000000000D55000-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	JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2576	JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe
2576	JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4748	dmr_72.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2576	JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe
2576	JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe
2576	JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2576	JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe
2576	JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe
2576	JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4748	dmr_72.exe
4748	dmr_72.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 4748	2576	JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe	85
PID 2576 wrote to memory of 4748	2576	JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_699a064fb96c1fbb621f2aa0831fbb10.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe
  "C:\Users\Admin\AppData\Local\Temp\DMR\dmr_72.exe" -install -54380618 -chipderedesign -69a44a6afe8041a8958a2c03c64caacd - -BLUB3 -snzlwsrlyhvcfiow -2576
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4748

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
500KB

MD5
45f7f9467b700e66656d0ba81c5ba04c

SHA1
62bff91a7e351cb1a21ef92320815874b2d2dfa8

SHA256
e5150f818c65570dbd738e36445ccdfe6370b47e23debb917f471fdf8a40c1f0

SHA512
9e50c635e7cb5f7d824f1af6efd51ef82f1ad323d5daa590988744ded4a54a4a2adf98f5356a12bfdacd72845aa1288125dacbf146b647041b07c0597ec9500d

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

Filesize
155B

MD5
74d80e30a912d73bd02c6ee706732c12

SHA1
89ae3a16f23646a77b611548387b109dbb898ab1

SHA256
b67ee68fc28b2def1917bd64827985d046566cff974ac5a1857e6630a5e391c9

SHA512
2d2fb726848594a5c7be8bd38762cf8b9bdf43caf0316a2c73f9cbea5ce7f8a6861920a5abf1e1c057acb98ede01fd16629ae9e258b4724de09231b6b73fbfa2

Download Submit
memory/2576-0-0x0000000000A60000-0x0000000000D55000-memory.dmp

Filesize
3.0MB

Download
memory/2576-20-0x0000000000A60000-0x0000000000D55000-memory.dmp

Filesize
3.0MB

Download
memory/2576-21-0x0000000000A60000-0x0000000000D55000-memory.dmp

Filesize
3.0MB

Download
memory/4748-13-0x00007FFB67ED3000-0x00007FFB67ED5000-memory.dmp

Filesize
8KB

Download
memory/4748-14-0x00000000009D0000-0x0000000000A52000-memory.dmp

Filesize
520KB

Download
memory/4748-16-0x00007FFB67ED0000-0x00007FFB68991000-memory.dmp

Filesize
10.8MB

Download
memory/4748-17-0x00007FFB67ED0000-0x00007FFB68991000-memory.dmp

Filesize
10.8MB

Download
memory/4748-18-0x00007FFB67ED0000-0x00007FFB68991000-memory.dmp

Filesize
10.8MB

Download
memory/4748-19-0x00007FFB67ED0000-0x00007FFB68991000-memory.dmp

Filesize
10.8MB

Download
memory/4748-23-0x00007FFB67ED0000-0x00007FFB68991000-memory.dmp

Filesize
10.8MB

Download

Analysis

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