orcus | 81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5

Analysis

max time kernel
132s
max time network
134s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
08-07-2024 01:00

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General

Target

81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe
Size

3.0MB
MD5

dabc07a85b2d7433d7dae33b95cdb4f0
SHA1

d2e3854e80986ec55237a31293a512cc058a9eee
SHA256

81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5
SHA512

fcdfb9c7177c983affd644fd1bde52cfd6a2a64bcbc75b229406f736620674a13939eddafa360d6a8e0b00591153d4c1ce47598fbde6364307bdfbf6c451588d
SSDEEP

49152:ZGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qb:ZLHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus новый тег rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Новый тег

31.44.184.52:40772

Mutex

sudo_3u6hji75hcb5ofsx23aavj1o9qmzybfm

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\baseprocess\servervm.exe
reconnect_delay
10000
registry_keyname
Sudik
taskscheduler_taskname
sudik
watchdog_path
AppData\aga.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcus main payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001722b-10.dat	family_orcus

Orcurs Rat Executable 10 IoCs

resource	yara_rule
behavioral1/memory/2120-1-0x0000000000180000-0x000000000047E000-memory.dmp	orcus
behavioral1/files/0x000900000001722b-10.dat	orcus
behavioral1/memory/2636-17-0x0000000001220000-0x000000000151E000-memory.dmp	orcus
behavioral1/memory/2868-26-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2868-33-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2868-32-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2868-31-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2868-28-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2428-54-0x00000000003C0000-0x00000000006BE000-memory.dmp	orcus
behavioral1/memory/832-56-0x0000000000A40000-0x0000000000D3E000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2636	servervm.exe
2560	servervm.exe
2428	servervm.exe
832	servervm.exe

Loads dropped DLL 1 IoCs

pid	Process
2120	81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2636 set thread context of 2868	2636	servervm.exe	35

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2120	81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe
2636	servervm.exe
2636	servervm.exe
2636	servervm.exe
2636	servervm.exe
2868	regasm.exe
2868	regasm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2120	81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe
Token: SeDebugPrivilege	2636	servervm.exe
Token: SeDebugPrivilege	2868	regasm.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2636	2120	81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe	31
PID 2120 wrote to memory of 2636	2120	81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe	31
PID 2120 wrote to memory of 2636	2120	81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe	31
PID 2120 wrote to memory of 2636	2120	81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe	31
PID 2804 wrote to memory of 2560	2804	taskeng.exe	34
PID 2804 wrote to memory of 2560	2804	taskeng.exe	34
PID 2804 wrote to memory of 2560	2804	taskeng.exe	34
PID 2804 wrote to memory of 2560	2804	taskeng.exe	34
PID 2636 wrote to memory of 2780	2636	servervm.exe	33
PID 2636 wrote to memory of 2780	2636	servervm.exe	33
PID 2636 wrote to memory of 2780	2636	servervm.exe	33
PID 2636 wrote to memory of 2780	2636	servervm.exe	33
PID 2636 wrote to memory of 2780	2636	servervm.exe	33
PID 2636 wrote to memory of 2780	2636	servervm.exe	33
PID 2636 wrote to memory of 2780	2636	servervm.exe	33
PID 2636 wrote to memory of 2868	2636	servervm.exe	35
PID 2636 wrote to memory of 2868	2636	servervm.exe	35
PID 2636 wrote to memory of 2868	2636	servervm.exe	35
PID 2636 wrote to memory of 2868	2636	servervm.exe	35
PID 2636 wrote to memory of 2868	2636	servervm.exe	35
PID 2636 wrote to memory of 2868	2636	servervm.exe	35
PID 2636 wrote to memory of 2868	2636	servervm.exe	35
PID 2636 wrote to memory of 2868	2636	servervm.exe	35
PID 2636 wrote to memory of 2868	2636	servervm.exe	35
PID 2636 wrote to memory of 2868	2636	servervm.exe	35
PID 2636 wrote to memory of 2868	2636	servervm.exe	35
PID 2636 wrote to memory of 2868	2636	servervm.exe	35
PID 2804 wrote to memory of 2428	2804	taskeng.exe	37
PID 2804 wrote to memory of 2428	2804	taskeng.exe	37
PID 2804 wrote to memory of 2428	2804	taskeng.exe	37
PID 2804 wrote to memory of 2428	2804	taskeng.exe	37
PID 2804 wrote to memory of 832	2804	taskeng.exe	38
PID 2804 wrote to memory of 832	2804	taskeng.exe	38
PID 2804 wrote to memory of 832	2804	taskeng.exe	38
PID 2804 wrote to memory of 832	2804	taskeng.exe	38

C:\Users\Admin\AppData\Local\Temp\81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe
"C:\Users\Admin\AppData\Local\Temp\81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
  "C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    PID:2780
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2868

C:\Windows\system32\taskeng.exe
taskeng.exe {FC85032F-AE04-4F0C-A37A-1C1873F21369} S-1-5-21-2212144002-1172735686-1556890956-1000:MVFYZPLM\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2804
- C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
  C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
  2⤵
  - Executes dropped EXE
  PID:2560
- C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
  C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
  2⤵
  - Executes dropped EXE
  PID:2428
- C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
  C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
  2⤵
  - Executes dropped EXE
  PID:832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab2010.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Users\Admin\AppData\Roaming\baseprocess\servervm.exe

Filesize
3.0MB

MD5
dabc07a85b2d7433d7dae33b95cdb4f0

SHA1
d2e3854e80986ec55237a31293a512cc058a9eee

SHA256
81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5

SHA512
fcdfb9c7177c983affd644fd1bde52cfd6a2a64bcbc75b229406f736620674a13939eddafa360d6a8e0b00591153d4c1ce47598fbde6364307bdfbf6c451588d

Download Submit
memory/832-56-0x0000000000A40000-0x0000000000D3E000-memory.dmp

Filesize
3.0MB

Download
memory/2120-0-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/2120-1-0x0000000000180000-0x000000000047E000-memory.dmp

Filesize
3.0MB

Download
memory/2120-3-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2120-2-0x0000000000570000-0x000000000057E000-memory.dmp

Filesize
56KB

Download
memory/2120-4-0x0000000000900000-0x000000000095C000-memory.dmp

Filesize
368KB

Download
memory/2120-5-0x00000000007A0000-0x00000000007B2000-memory.dmp

Filesize
72KB

Download
memory/2120-18-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2428-54-0x00000000003C0000-0x00000000006BE000-memory.dmp

Filesize
3.0MB

Download
memory/2636-20-0x0000000000B40000-0x0000000000B8E000-memory.dmp

Filesize
312KB

Download
memory/2636-34-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2636-16-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2636-17-0x0000000001220000-0x000000000151E000-memory.dmp

Filesize
3.0MB

Download
memory/2636-19-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2868-31-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2868-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2868-22-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2868-28-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2868-32-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2868-35-0x0000000000CE0000-0x0000000000CF8000-memory.dmp

Filesize
96KB

Download
memory/2868-36-0x0000000000D80000-0x0000000000D90000-memory.dmp

Filesize
64KB

Download
memory/2868-33-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2868-26-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2868-24-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download