orcus | 81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5

Analysis

max time kernel
136s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-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
behavioral2/files/0x0009000000023469-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/1808-1-0x0000000000150000-0x000000000044E000-memory.dmp	orcus
behavioral2/files/0x0009000000023469-13.dat	orcus

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-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe

Executes dropped EXE 6 IoCs

pid	Process
4632	servervm.exe
5004	servervm.exe
4564	servervm.exe
5028	servervm.exe
2392	servervm.exe
2964	servervm.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4632 set thread context of 5084	4632	servervm.exe	90
PID 5004 set thread context of 4436	5004	servervm.exe	92
PID 4564 set thread context of 3204	4564	servervm.exe	94

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
1808	81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe
4632	servervm.exe
4632	servervm.exe
4632	servervm.exe
4632	servervm.exe
4632	servervm.exe
4632	servervm.exe
4632	servervm.exe
4632	servervm.exe
5004	servervm.exe
5004	servervm.exe
4564	servervm.exe
4564	servervm.exe
5084	caspol.exe
5084	caspol.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1808	81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe
Token: SeDebugPrivilege	4632	servervm.exe
Token: SeDebugPrivilege	5004	servervm.exe
Token: SeDebugPrivilege	4564	servervm.exe
Token: SeDebugPrivilege	5084	caspol.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 4632	1808	81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe	85
PID 1808 wrote to memory of 4632	1808	81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe	85
PID 1808 wrote to memory of 4632	1808	81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe	85
PID 4632 wrote to memory of 4672	4632	servervm.exe	87
PID 4632 wrote to memory of 4672	4632	servervm.exe	87
PID 4632 wrote to memory of 4672	4632	servervm.exe	87
PID 4632 wrote to memory of 2360	4632	servervm.exe	88
PID 4632 wrote to memory of 2360	4632	servervm.exe	88
PID 4632 wrote to memory of 2360	4632	servervm.exe	88
PID 4632 wrote to memory of 4448	4632	servervm.exe	89
PID 4632 wrote to memory of 4448	4632	servervm.exe	89
PID 4632 wrote to memory of 4448	4632	servervm.exe	89
PID 4632 wrote to memory of 5084	4632	servervm.exe	90
PID 4632 wrote to memory of 5084	4632	servervm.exe	90
PID 4632 wrote to memory of 5084	4632	servervm.exe	90
PID 4632 wrote to memory of 5084	4632	servervm.exe	90
PID 4632 wrote to memory of 5084	4632	servervm.exe	90
PID 4632 wrote to memory of 5084	4632	servervm.exe	90
PID 4632 wrote to memory of 5084	4632	servervm.exe	90
PID 4632 wrote to memory of 5084	4632	servervm.exe	90
PID 5004 wrote to memory of 4436	5004	servervm.exe	92
PID 5004 wrote to memory of 4436	5004	servervm.exe	92
PID 5004 wrote to memory of 4436	5004	servervm.exe	92
PID 5004 wrote to memory of 4436	5004	servervm.exe	92
PID 5004 wrote to memory of 4436	5004	servervm.exe	92
PID 5004 wrote to memory of 4436	5004	servervm.exe	92
PID 5004 wrote to memory of 4436	5004	servervm.exe	92
PID 5004 wrote to memory of 4436	5004	servervm.exe	92
PID 4564 wrote to memory of 3204	4564	servervm.exe	94
PID 4564 wrote to memory of 3204	4564	servervm.exe	94
PID 4564 wrote to memory of 3204	4564	servervm.exe	94
PID 4564 wrote to memory of 3204	4564	servervm.exe	94
PID 4564 wrote to memory of 3204	4564	servervm.exe	94
PID 4564 wrote to memory of 3204	4564	servervm.exe	94
PID 4564 wrote to memory of 3204	4564	servervm.exe	94
PID 4564 wrote to memory of 3204	4564	servervm.exe	94

C:\Users\Admin\AppData\Local\Temp\81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe
"C:\Users\Admin\AppData\Local\Temp\81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1808
- 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:4632
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
    3⤵
    PID:4672
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
    3⤵
    PID:2360
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
    3⤵
    PID:4448
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5084

C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5004
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  PID:4436

C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4564
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  PID:3204

C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
1⤵
- Executes dropped EXE
PID:5028

C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
1⤵
- Executes dropped EXE
PID:2392

C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
C:\Users\Admin\AppData\Roaming\baseprocess\servervm.exe
1⤵
- Executes dropped EXE
PID:2964

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\servervm.exe.log

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

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

Filesize
3.0MB

MD5
dabc07a85b2d7433d7dae33b95cdb4f0

SHA1
d2e3854e80986ec55237a31293a512cc058a9eee

SHA256
81599a9eca7c90838f85833b2fc92859949a9434af4903488e429ef5b3ff7ba5

SHA512
fcdfb9c7177c983affd644fd1bde52cfd6a2a64bcbc75b229406f736620674a13939eddafa360d6a8e0b00591153d4c1ce47598fbde6364307bdfbf6c451588d

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1808-0-0x000000007480E000-0x000000007480F000-memory.dmp

Filesize
4KB

Download
memory/1808-1-0x0000000000150000-0x000000000044E000-memory.dmp

Filesize
3.0MB

Download
memory/1808-2-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/1808-3-0x0000000002800000-0x000000000280E000-memory.dmp

Filesize
56KB

Download
memory/1808-4-0x0000000005040000-0x000000000509C000-memory.dmp

Filesize
368KB

Download
memory/1808-5-0x0000000005740000-0x0000000005CE4000-memory.dmp

Filesize
5.6MB

Download
memory/1808-6-0x0000000005230000-0x00000000052C2000-memory.dmp

Filesize
584KB

Download
memory/1808-7-0x0000000005020000-0x0000000005032000-memory.dmp

Filesize
72KB

Download
memory/1808-23-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/4632-27-0x00000000063B0000-0x00000000063FE000-memory.dmp

Filesize
312KB

Download
memory/4632-26-0x0000000005EF0000-0x0000000005F02000-memory.dmp

Filesize
72KB

Download
memory/4632-25-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/4632-29-0x0000000006D10000-0x0000000006DAC000-memory.dmp

Filesize
624KB

Download
memory/4632-33-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/4632-24-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/5004-30-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/5004-37-0x0000000074800000-0x0000000074FB0000-memory.dmp

Filesize
7.7MB

Download
memory/5084-41-0x0000000006780000-0x0000000006790000-memory.dmp

Filesize
64KB

Download
memory/5084-40-0x0000000005E00000-0x0000000005E18000-memory.dmp

Filesize
96KB

Download
memory/5084-42-0x0000000006AC0000-0x0000000006ACA000-memory.dmp

Filesize
40KB

Download
memory/5084-43-0x00000000071E0000-0x0000000007246000-memory.dmp

Filesize
408KB

Download
memory/5084-46-0x0000000007870000-0x0000000007E88000-memory.dmp

Filesize
6.1MB

Download
memory/5084-47-0x00000000072F0000-0x0000000007302000-memory.dmp

Filesize
72KB

Download
memory/5084-48-0x0000000007350000-0x000000000738C000-memory.dmp

Filesize
240KB

Download
memory/5084-49-0x0000000007390000-0x00000000073DC000-memory.dmp

Filesize
304KB

Download
memory/5084-50-0x0000000007520000-0x000000000762A000-memory.dmp

Filesize
1.0MB

Download
memory/5084-51-0x0000000007E90000-0x0000000008052000-memory.dmp

Filesize
1.8MB

Download