revengerat | dcf4f5026b6089dd04778bf9c239f76c1c6496228328e2e33d520eb07ce08105

General

Target

dcf4f5026b6089dd04778bf9c239f76c1c6496228328e2e33d520eb07ce08105.exe
Size

558KB
MD5

dd11e7cfd1690fc9973d634dc936b312
SHA1

60fdaf4d062b8172dab25b1af50e2e6b1c7e070e
SHA256

dcf4f5026b6089dd04778bf9c239f76c1c6496228328e2e33d520eb07ce08105
SHA512

41f12b26dd961ca2274dd6db5a05a046ae3bc38e5e795b0e197761876bb023aaad2cecb60be6626c734d391ea48c141f7ccea03cfb2acc79e7d367749e4210c3
SSDEEP

12288:6h7nbLXaRfbWGBJ/tayfH2x9j+pTmX5WE6f1YKEJRzI:6h7n/XOWGLVfvO9sTmp8f1UJC

Score

10^/10

revengerat discovery persistence 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
behavioral2/files/0x0009000000023c34-10.dat	revengerat

Checks computer location settings 2 TTPs 2 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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	dcf4f5026b6089dd04778bf9c239f76c1c6496228328e2e33d520eb07ce08105.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	Courses.exe

Executes dropped EXE 2 IoCs

pid	Process
1696	Courses.exe
2012	3733625948.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Course = "C:\\Users\\Admin\\AppData\\Roaming\\Courses.exe"	Courses.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	dcf4f5026b6089dd04778bf9c239f76c1c6496228328e2e33d520eb07ce08105.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Courses.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3733625948.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4832	dcf4f5026b6089dd04778bf9c239f76c1c6496228328e2e33d520eb07ce08105.exe
Token: SeDebugPrivilege	1696	Courses.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 1696	4832	dcf4f5026b6089dd04778bf9c239f76c1c6496228328e2e33d520eb07ce08105.exe	91
PID 4832 wrote to memory of 1696	4832	dcf4f5026b6089dd04778bf9c239f76c1c6496228328e2e33d520eb07ce08105.exe	91
PID 4832 wrote to memory of 1696	4832	dcf4f5026b6089dd04778bf9c239f76c1c6496228328e2e33d520eb07ce08105.exe	91
PID 1696 wrote to memory of 2012	1696	Courses.exe	92
PID 1696 wrote to memory of 2012	1696	Courses.exe	92
PID 1696 wrote to memory of 2012	1696	Courses.exe	92

C:\Users\Admin\AppData\Local\Temp\dcf4f5026b6089dd04778bf9c239f76c1c6496228328e2e33d520eb07ce08105.exe
"C:\Users\Admin\AppData\Local\Temp\dcf4f5026b6089dd04778bf9c239f76c1c6496228328e2e33d520eb07ce08105.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4832
- C:\Users\Admin\AppData\Roaming\Courses.exe
  "C:\Users\Admin\AppData\Roaming\Courses.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1696
- - C:\Users\Admin\AppData\Local\Temp\3733625948.exe
    "C:\Users\Admin\AppData\Local\Temp\3733625948.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\3733625948.exe

Filesize
297KB

MD5
9e83fc421f54556e8346544016317cf5

SHA1
6bdb0fce8e014c34e9d9f03c8d650bacaf13ef64

SHA256
faa7a5f9a4fdc9e396cc6654b39ac01bf2c51bc73322e2ac11127137325e6bfa

SHA512
82cbbcb8ffc8c4b8498cb3280830ee73fa7f25bf07ae54d9cdf3f34198640093681c9a875e8df92f919c5185caae772f29f2a19341ed4b77a0f3291bfb440387

Download Submit
C:\Users\Admin\AppData\Roaming\Courses.exe

Filesize
558KB

MD5
dd11e7cfd1690fc9973d634dc936b312

SHA1
60fdaf4d062b8172dab25b1af50e2e6b1c7e070e

SHA256
dcf4f5026b6089dd04778bf9c239f76c1c6496228328e2e33d520eb07ce08105

SHA512
41f12b26dd961ca2274dd6db5a05a046ae3bc38e5e795b0e197761876bb023aaad2cecb60be6626c734d391ea48c141f7ccea03cfb2acc79e7d367749e4210c3

Download Submit
memory/1696-21-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/1696-20-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/1696-18-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/2012-36-0x0000000005150000-0x00000000056F4000-memory.dmp

Filesize
5.6MB

Download
memory/2012-39-0x0000000071760000-0x0000000071F10000-memory.dmp

Filesize
7.7MB

Download
memory/2012-42-0x0000000071760000-0x0000000071F10000-memory.dmp

Filesize
7.7MB

Download
memory/2012-41-0x000000007176E000-0x000000007176F000-memory.dmp

Filesize
4KB

Download
memory/2012-40-0x0000000004E90000-0x0000000004EE6000-memory.dmp

Filesize
344KB

Download
memory/2012-38-0x0000000004BE0000-0x0000000004BEA000-memory.dmp

Filesize
40KB

Download
memory/2012-37-0x0000000004C40000-0x0000000004CD2000-memory.dmp

Filesize
584KB

Download
memory/2012-33-0x000000007176E000-0x000000007176F000-memory.dmp

Filesize
4KB

Download
memory/2012-34-0x0000000000100000-0x0000000000150000-memory.dmp

Filesize
320KB

Download
memory/2012-35-0x0000000004B00000-0x0000000004B9C000-memory.dmp

Filesize
624KB

Download
memory/4832-0-0x0000000074BF2000-0x0000000074BF3000-memory.dmp

Filesize
4KB

Download
memory/4832-1-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/4832-2-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/4832-5-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/4832-19-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/4832-3-0x0000000074BF2000-0x0000000074BF3000-memory.dmp

Filesize
4KB

Download
memory/4832-4-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads