orcus | 607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13

General

Target

607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe
Size

3.0MB
MD5

0bf7d5cf7b2ea03e2cd580ef696cf8c2
SHA1

61c427e6019867a7deab09415a92a3e001caba74
SHA256

607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13
SHA512

8e286c40b531f3e0094e4181fe330b9af7e37d5a0d4786d4002c85ce7da199f6c03fef6d8d36bde3d00b2be1b84cd6351507c435074f2e3aeff2abedee246362
SSDEEP

49152:DGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qb:DLHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus nurik discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

nurik

C2

31.44.184.52:12708

Mutex

sudo_6rbpsrhwdx8231c8qhhxgcoyopp6gjkk

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\apiprocessorlongpoll\MpCmdRun.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 family
orcus

Orcus main payload 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe	family_orcus

Orcurs Rat Executable 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2276-1-0x0000000001380000-0x000000000167E000-memory.dmp	orcus
\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe	orcus
behavioral1/memory/1768-18-0x0000000001130000-0x000000000142E000-memory.dmp	orcus
behavioral1/memory/2724-34-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2724-33-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2724-32-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2724-29-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2724-27-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/1536-71-0x0000000000070000-0x000000000036E000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

Processes:

MpCmdRun.exeMpCmdRun.exeMpCmdRun.exeMpCmdRun.exe

pid process

1768 MpCmdRun.exe
2372 MpCmdRun.exe
2764 MpCmdRun.exe
1536 MpCmdRun.exe
Loads dropped DLL 1 IoCs

Processes:

607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe

pid process

2276 607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe

pid	process
1768	MpCmdRun.exe
2372	MpCmdRun.exe
2764	MpCmdRun.exe
1536	MpCmdRun.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

MpCmdRun.exeMpCmdRun.exe

description	pid	process	target process
PID 1768 set thread context of 2724	1768	MpCmdRun.exe	caspol.exe
PID 2372 set thread context of 2564	2372	MpCmdRun.exe	regasm.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 7 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

Processes:

607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exeMpCmdRun.exeMpCmdRun.execaspol.exeregasm.exeMpCmdRun.exeMpCmdRun.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MpCmdRun.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MpCmdRun.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caspol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MpCmdRun.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MpCmdRun.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exeMpCmdRun.exeMpCmdRun.execaspol.exe

pid	process
2276	607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe
1768	MpCmdRun.exe
1768	MpCmdRun.exe
1768	MpCmdRun.exe
1768	MpCmdRun.exe
2372	MpCmdRun.exe
2372	MpCmdRun.exe
2724	caspol.exe
2724	caspol.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exeMpCmdRun.exeMpCmdRun.execaspol.exe

description	pid	process
Token: SeDebugPrivilege	2276	607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe
Token: SeDebugPrivilege	1768	MpCmdRun.exe
Token: SeDebugPrivilege	2372	MpCmdRun.exe
Token: SeDebugPrivilege	2724	caspol.exe

Suspicious use of WriteProcessMemory 41 IoCs

Processes:

607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exetaskeng.exeMpCmdRun.exeMpCmdRun.exe

description	pid	process	target process
PID 2276 wrote to memory of 1768	2276	607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe	MpCmdRun.exe
PID 2276 wrote to memory of 1768	2276	607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe	MpCmdRun.exe
PID 2276 wrote to memory of 1768	2276	607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe	MpCmdRun.exe
PID 2276 wrote to memory of 1768	2276	607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe	MpCmdRun.exe
PID 1884 wrote to memory of 2372	1884	taskeng.exe	MpCmdRun.exe
PID 1884 wrote to memory of 2372	1884	taskeng.exe	MpCmdRun.exe
PID 1884 wrote to memory of 2372	1884	taskeng.exe	MpCmdRun.exe
PID 1884 wrote to memory of 2372	1884	taskeng.exe	MpCmdRun.exe
PID 1768 wrote to memory of 1888	1768	MpCmdRun.exe	caspol.exe
PID 1768 wrote to memory of 1888	1768	MpCmdRun.exe	caspol.exe
PID 1768 wrote to memory of 1888	1768	MpCmdRun.exe	caspol.exe
PID 1768 wrote to memory of 1888	1768	MpCmdRun.exe	caspol.exe
PID 1768 wrote to memory of 2724	1768	MpCmdRun.exe	caspol.exe
PID 1768 wrote to memory of 2724	1768	MpCmdRun.exe	caspol.exe
PID 1768 wrote to memory of 2724	1768	MpCmdRun.exe	caspol.exe
PID 1768 wrote to memory of 2724	1768	MpCmdRun.exe	caspol.exe
PID 1768 wrote to memory of 2724	1768	MpCmdRun.exe	caspol.exe
PID 1768 wrote to memory of 2724	1768	MpCmdRun.exe	caspol.exe
PID 1768 wrote to memory of 2724	1768	MpCmdRun.exe	caspol.exe
PID 1768 wrote to memory of 2724	1768	MpCmdRun.exe	caspol.exe
PID 1768 wrote to memory of 2724	1768	MpCmdRun.exe	caspol.exe
PID 2372 wrote to memory of 2564	2372	MpCmdRun.exe	regasm.exe
PID 2372 wrote to memory of 2564	2372	MpCmdRun.exe	regasm.exe
PID 2372 wrote to memory of 2564	2372	MpCmdRun.exe	regasm.exe
PID 2372 wrote to memory of 2564	2372	MpCmdRun.exe	regasm.exe
PID 2372 wrote to memory of 2564	2372	MpCmdRun.exe	regasm.exe
PID 2372 wrote to memory of 2564	2372	MpCmdRun.exe	regasm.exe
PID 2372 wrote to memory of 2564	2372	MpCmdRun.exe	regasm.exe
PID 2372 wrote to memory of 2564	2372	MpCmdRun.exe	regasm.exe
PID 2372 wrote to memory of 2564	2372	MpCmdRun.exe	regasm.exe
PID 2372 wrote to memory of 2564	2372	MpCmdRun.exe	regasm.exe
PID 2372 wrote to memory of 2564	2372	MpCmdRun.exe	regasm.exe
PID 2372 wrote to memory of 2564	2372	MpCmdRun.exe	regasm.exe
PID 1884 wrote to memory of 2764	1884	taskeng.exe	MpCmdRun.exe
PID 1884 wrote to memory of 2764	1884	taskeng.exe	MpCmdRun.exe
PID 1884 wrote to memory of 2764	1884	taskeng.exe	MpCmdRun.exe
PID 1884 wrote to memory of 2764	1884	taskeng.exe	MpCmdRun.exe
PID 1884 wrote to memory of 1536	1884	taskeng.exe	MpCmdRun.exe
PID 1884 wrote to memory of 1536	1884	taskeng.exe	MpCmdRun.exe
PID 1884 wrote to memory of 1536	1884	taskeng.exe	MpCmdRun.exe
PID 1884 wrote to memory of 1536	1884	taskeng.exe	MpCmdRun.exe

C:\Users\Admin\AppData\Local\Temp\607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe
"C:\Users\Admin\AppData\Local\Temp\607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe
  "C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1768
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
    3⤵
    PID:1888
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2724

C:\Windows\system32\taskeng.exe
taskeng.exe {81B4F489-6058-4878-A72D-B4223155DC88} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe
  C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2372
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2564
- C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe
  C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2764
- C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe
  C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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\CabB29F.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Users\Admin\AppData\Roaming\apiprocessorlongpoll\MpCmdRun.exe

Filesize
3.0MB

MD5
0bf7d5cf7b2ea03e2cd580ef696cf8c2

SHA1
61c427e6019867a7deab09415a92a3e001caba74

SHA256
607f66fd470487071732efbcd3781b2dacec3844e6c902f0281ef5a2afb79e13

SHA512
8e286c40b531f3e0094e4181fe330b9af7e37d5a0d4786d4002c85ce7da199f6c03fef6d8d36bde3d00b2be1b84cd6351507c435074f2e3aeff2abedee246362

Download Submit
memory/1536-71-0x0000000000070000-0x000000000036E000-memory.dmp

Filesize
3.0MB

Download
memory/1768-20-0x00000000006D0000-0x00000000006E2000-memory.dmp

Filesize
72KB

Download
memory/1768-19-0x00000000747E0000-0x0000000074ECE000-memory.dmp

Filesize
6.9MB

Download
memory/1768-35-0x00000000747E0000-0x0000000074ECE000-memory.dmp

Filesize
6.9MB

Download
memory/1768-21-0x0000000000800000-0x000000000084E000-memory.dmp

Filesize
312KB

Download
memory/1768-17-0x00000000747E0000-0x0000000074ECE000-memory.dmp

Filesize
6.9MB

Download
memory/1768-18-0x0000000001130000-0x000000000142E000-memory.dmp

Filesize
3.0MB

Download
memory/2276-4-0x00000000005C0000-0x000000000061C000-memory.dmp

Filesize
368KB

Download
memory/2276-5-0x00000000004D0000-0x00000000004E2000-memory.dmp

Filesize
72KB

Download
memory/2276-16-0x00000000747E0000-0x0000000074ECE000-memory.dmp

Filesize
6.9MB

Download
memory/2276-0-0x00000000747EE000-0x00000000747EF000-memory.dmp

Filesize
4KB

Download
memory/2276-2-0x0000000000440000-0x000000000044E000-memory.dmp

Filesize
56KB

Download
memory/2276-1-0x0000000001380000-0x000000000167E000-memory.dmp

Filesize
3.0MB

Download
memory/2276-3-0x00000000747E0000-0x0000000074ECE000-memory.dmp

Filesize
6.9MB

Download
memory/2372-36-0x00000000004F0000-0x0000000000502000-memory.dmp

Filesize
72KB

Download
memory/2564-45-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-23-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2724-29-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2724-25-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2724-27-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2724-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-32-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2724-49-0x0000000000940000-0x0000000000958000-memory.dmp

Filesize
96KB

Download
memory/2724-50-0x0000000000A90000-0x0000000000AA0000-memory.dmp

Filesize
64KB

Download
memory/2724-33-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2724-67-0x0000000005300000-0x000000000530E000-memory.dmp

Filesize
56KB

Download
memory/2724-68-0x00000000053A0000-0x00000000053A2000-memory.dmp

Filesize
8KB

Download
memory/2724-34-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads