revengerat | 867d4ec9caf05b90f7baa231b19c8db9392e45ad957cd9d1c10a5113e579b2e1

Resubmissions

02/09/2024, 01:47

240902-b7wp8ayaqn10

02/09/2024, 00:40

240902-a1jxeawfmn10

Analysis

max time kernel
149s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 01:47

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General

Target
db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe
Size 944KB
Sample240902-b7wp8ayaqn
SHA256 db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b
MD5 84a4cb98d7bce223019fe142191dc5af
SHA1 63386615792f409bf3cbcc78c2a53ae1438bc5ea
SHA512 1f7b06b720d424782bc31f554e33a6b80f9451076047540bc6744aa2a802824a9c73577f748f6d808195ddaa3354022d8e7ad61b814bd859036ce1944d2d1b32
SSDEEP 12288:gCdOy3vVrKxR5CXbNjAOxK/j2n+4YG/6c1mFFja3mXgcjfRlgsUBgaH7nhEJes3P:gCdxte/80jYLT3U1jfsWabncesOCKlQ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

revengerat guest discovery trojan

Malware Config

Extracted

Family

revengerat

Botnet

Guest

ournewcompany2.hopto.org:333

Mutex

RV_MUTEX

Signatures

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan 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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1.exe	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1.exe	WScript.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 612 set thread context of 916	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	96
PID 612 set thread context of 4340	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	97
PID 612 set thread context of 3200	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	99
PID 612 set thread context of 3180	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	100
PID 612 set thread context of 2244	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	101
PID 612 set thread context of 2524	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	102

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
452	916	WerFault.exe	96
4528	4340	WerFault.exe	97
2036	3200	WerFault.exe	99

System Location Discovery: System Language Discovery 1 TTPs 5 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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	RegAsm.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 612 wrote to memory of 1956	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	95
PID 612 wrote to memory of 1956	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	95
PID 612 wrote to memory of 1956	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	95
PID 612 wrote to memory of 916	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	96
PID 612 wrote to memory of 916	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	96
PID 612 wrote to memory of 916	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	96
PID 612 wrote to memory of 916	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	96
PID 612 wrote to memory of 4340	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	97
PID 612 wrote to memory of 4340	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	97
PID 612 wrote to memory of 4340	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	97
PID 612 wrote to memory of 4340	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	97
PID 612 wrote to memory of 3200	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	99
PID 612 wrote to memory of 3200	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	99
PID 612 wrote to memory of 3200	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	99
PID 612 wrote to memory of 3200	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	99
PID 612 wrote to memory of 3180	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	100
PID 612 wrote to memory of 3180	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	100
PID 612 wrote to memory of 3180	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	100
PID 612 wrote to memory of 3180	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	100
PID 612 wrote to memory of 3180	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	100
PID 612 wrote to memory of 3180	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	100
PID 612 wrote to memory of 3180	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	100
PID 612 wrote to memory of 2244	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	101
PID 612 wrote to memory of 2244	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	101
PID 612 wrote to memory of 2244	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	101
PID 612 wrote to memory of 2244	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	101
PID 612 wrote to memory of 2244	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	101
PID 612 wrote to memory of 2244	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	101
PID 612 wrote to memory of 2244	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	101
PID 612 wrote to memory of 2524	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	102
PID 612 wrote to memory of 2524	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	102
PID 612 wrote to memory of 2524	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	102
PID 612 wrote to memory of 2524	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	102
PID 612 wrote to memory of 2524	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	102
PID 612 wrote to memory of 2524	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	102
PID 612 wrote to memory of 2524	612	db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe	102

C:\Users\Admin\AppData\Local\Temp\db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe
"C:\Users\Admin\AppData\Local\Temp\db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:612
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\1.vbs"
  2⤵
  - Drops startup file
  - System Location Discovery: System Language Discovery
  PID:1956
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  PID:916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 916 -s 80
    3⤵
    - Program crash
    PID:452
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  PID:4340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 80
    3⤵
    - Program crash
    PID:4528
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  PID:3200
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3200 -s 80
    3⤵
    - Program crash
    PID:2036
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3180
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2244
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 916 -ip 916
1⤵
PID:1784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3200 -ip 3200
1⤵
PID:3636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4340 -ip 4340
1⤵
PID:3736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

RegAsm.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\RegAsm.exe.log
Size 411B
SHA256 1c644f557743292853209410644526419eee72bfee8bfec839212b06d3b5e739
MD5 aa1e14353932d87c160bcc8b1f025429
SHA1 8be59f98296c1c5b9fb5ad84888d2a8dc6a3377d
SHA512 7aec11c636bfe228d2029b87f980e979de9c214264eb2dbaa25186084e39f8732a83d44580300f98a15a1a9c0637e748c1f3eb4f46520ef4c6caaae07347033b
MD5 SHA1 SHA512

Submit Download

1.vbs

Path C:\Users\Admin\AppData\Roaming\1.vbs
Size 355B
SHA256 92813f535d79d9cca5c1d3cc5ade01e48480d2cf33b862736c9e4922d7155620
MD5 1c2ab5b103441de53fa4f66bbb1bf32d
SHA1 26787d3e132156af3b4bf3c9d8ccef1d2adef809
SHA512 a2868242cce35110ee47e063d452cd86e756b24fe0c6bf341c0086679ae822caf6fe2a3f476f457dc57f86fb0992714ca7e01d4a4feba33e5da0b0070ea5cc7e
MD5 SHA1 SHA512