orcus | 3566b0f8f1deb820bd4e2f0c78086389ffebb3d1793e20aeda862749f75486e7

Analysis

max time kernel
128s
max time network
131s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-02-2025 02:06

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General

Target

3566b0f8f1deb820bd4e2f0c78086389ffebb3d1793e20aeda862749f75486e7.exe
Size

3.0MB
MD5

093b45be7d301d29bf4a60080d1bf0db
SHA1

818073b8b46393e41467626ac3bc09d83f44c570
SHA256

3566b0f8f1deb820bd4e2f0c78086389ffebb3d1793e20aeda862749f75486e7
SHA512

447eb2611652a87954d36b23dbdf07ee14334246d04106003076fbfa06f65d700bfd252e60e48308f22162840947bf49613d79180f6d94db18c9bb0b89b4cefe
SSDEEP

49152:Y1HS7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpbu/nRFfjI7L0qb:YUHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus новый тег discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Новый тег

31.44.184.52:44893

Mutex

sudo_ubebf7n4btcy9m88gufbrm08bks64rv0

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\eternalexternal\cpueternal.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

resource	yara_rule
behavioral1/files/0x0007000000019490-10.dat	family_orcus

Orcurs Rat Executable 9 IoCs

resource	yara_rule
behavioral1/memory/1180-1-0x00000000003D0000-0x00000000006CE000-memory.dmp	orcus
behavioral1/files/0x0007000000019490-10.dat	orcus
behavioral1/memory/2896-18-0x0000000000810000-0x0000000000B0E000-memory.dmp	orcus
behavioral1/memory/2716-34-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2716-32-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2716-29-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2716-27-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2716-33-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/1988-69-0x0000000001140000-0x000000000143E000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2896	cpueternal.exe
2028	cpueternal.exe
1988	cpueternal.exe
544	cpueternal.exe

Loads dropped DLL 1 IoCs

pid	Process
1180	3566b0f8f1deb820bd4e2f0c78086389ffebb3d1793e20aeda862749f75486e7.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2896 set thread context of 2716	2896	cpueternal.exe	34
PID 2028 set thread context of 1004	2028	cpueternal.exe	35

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cpueternal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cpueternal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cpueternal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3566b0f8f1deb820bd4e2f0c78086389ffebb3d1793e20aeda862749f75486e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cpueternal.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1180	3566b0f8f1deb820bd4e2f0c78086389ffebb3d1793e20aeda862749f75486e7.exe
2896	cpueternal.exe
2896	cpueternal.exe
2896	cpueternal.exe
2896	cpueternal.exe
2028	cpueternal.exe
2028	cpueternal.exe
1004	installutil.exe
1004	installutil.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1180	3566b0f8f1deb820bd4e2f0c78086389ffebb3d1793e20aeda862749f75486e7.exe
Token: SeDebugPrivilege	2896	cpueternal.exe
Token: SeDebugPrivilege	2028	cpueternal.exe
Token: SeDebugPrivilege	1004	installutil.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 2896	1180	3566b0f8f1deb820bd4e2f0c78086389ffebb3d1793e20aeda862749f75486e7.exe	30
PID 1180 wrote to memory of 2896	1180	3566b0f8f1deb820bd4e2f0c78086389ffebb3d1793e20aeda862749f75486e7.exe	30
PID 1180 wrote to memory of 2896	1180	3566b0f8f1deb820bd4e2f0c78086389ffebb3d1793e20aeda862749f75486e7.exe	30
PID 1180 wrote to memory of 2896	1180	3566b0f8f1deb820bd4e2f0c78086389ffebb3d1793e20aeda862749f75486e7.exe	30
PID 2500 wrote to memory of 2028	2500	taskeng.exe	32
PID 2500 wrote to memory of 2028	2500	taskeng.exe	32
PID 2500 wrote to memory of 2028	2500	taskeng.exe	32
PID 2500 wrote to memory of 2028	2500	taskeng.exe	32
PID 2896 wrote to memory of 2656	2896	cpueternal.exe	33
PID 2896 wrote to memory of 2656	2896	cpueternal.exe	33
PID 2896 wrote to memory of 2656	2896	cpueternal.exe	33
PID 2896 wrote to memory of 2656	2896	cpueternal.exe	33
PID 2896 wrote to memory of 2656	2896	cpueternal.exe	33
PID 2896 wrote to memory of 2656	2896	cpueternal.exe	33
PID 2896 wrote to memory of 2656	2896	cpueternal.exe	33
PID 2896 wrote to memory of 2716	2896	cpueternal.exe	34
PID 2896 wrote to memory of 2716	2896	cpueternal.exe	34
PID 2896 wrote to memory of 2716	2896	cpueternal.exe	34
PID 2896 wrote to memory of 2716	2896	cpueternal.exe	34
PID 2896 wrote to memory of 2716	2896	cpueternal.exe	34
PID 2896 wrote to memory of 2716	2896	cpueternal.exe	34
PID 2896 wrote to memory of 2716	2896	cpueternal.exe	34
PID 2896 wrote to memory of 2716	2896	cpueternal.exe	34
PID 2896 wrote to memory of 2716	2896	cpueternal.exe	34
PID 2896 wrote to memory of 2716	2896	cpueternal.exe	34
PID 2896 wrote to memory of 2716	2896	cpueternal.exe	34
PID 2896 wrote to memory of 2716	2896	cpueternal.exe	34
PID 2028 wrote to memory of 1004	2028	cpueternal.exe	35
PID 2028 wrote to memory of 1004	2028	cpueternal.exe	35
PID 2028 wrote to memory of 1004	2028	cpueternal.exe	35
PID 2028 wrote to memory of 1004	2028	cpueternal.exe	35
PID 2028 wrote to memory of 1004	2028	cpueternal.exe	35
PID 2028 wrote to memory of 1004	2028	cpueternal.exe	35
PID 2028 wrote to memory of 1004	2028	cpueternal.exe	35
PID 2028 wrote to memory of 1004	2028	cpueternal.exe	35
PID 2028 wrote to memory of 1004	2028	cpueternal.exe	35
PID 2028 wrote to memory of 1004	2028	cpueternal.exe	35
PID 2028 wrote to memory of 1004	2028	cpueternal.exe	35
PID 2028 wrote to memory of 1004	2028	cpueternal.exe	35
PID 2500 wrote to memory of 1988	2500	taskeng.exe	37
PID 2500 wrote to memory of 1988	2500	taskeng.exe	37
PID 2500 wrote to memory of 1988	2500	taskeng.exe	37
PID 2500 wrote to memory of 1988	2500	taskeng.exe	37
PID 2500 wrote to memory of 544	2500	taskeng.exe	38
PID 2500 wrote to memory of 544	2500	taskeng.exe	38
PID 2500 wrote to memory of 544	2500	taskeng.exe	38
PID 2500 wrote to memory of 544	2500	taskeng.exe	38

C:\Users\Admin\AppData\Local\Temp\3566b0f8f1deb820bd4e2f0c78086389ffebb3d1793e20aeda862749f75486e7.exe
"C:\Users\Admin\AppData\Local\Temp\3566b0f8f1deb820bd4e2f0c78086389ffebb3d1793e20aeda862749f75486e7.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\Roaming\eternalexternal\cpueternal.exe
  "C:\Users\Admin\AppData\Roaming\eternalexternal\cpueternal.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:2896
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    PID:2656
- - 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:2716

C:\Windows\system32\taskeng.exe
taskeng.exe {A7643486-34DC-41FC-823E-62F88592098C} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Roaming\eternalexternal\cpueternal.exe
  C:\Users\Admin\AppData\Roaming\eternalexternal\cpueternal.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:2028
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1004
- C:\Users\Admin\AppData\Roaming\eternalexternal\cpueternal.exe
  C:\Users\Admin\AppData\Roaming\eternalexternal\cpueternal.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1988
- C:\Users\Admin\AppData\Roaming\eternalexternal\cpueternal.exe
  C:\Users\Admin\AppData\Roaming\eternalexternal\cpueternal.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab3870.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Roaming\eternalexternal\cpueternal.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Users\Admin\AppData\Roaming\eternalexternal\cpueternal.exe

Filesize
3.0MB

MD5
093b45be7d301d29bf4a60080d1bf0db

SHA1
818073b8b46393e41467626ac3bc09d83f44c570

SHA256
3566b0f8f1deb820bd4e2f0c78086389ffebb3d1793e20aeda862749f75486e7

SHA512
447eb2611652a87954d36b23dbdf07ee14334246d04106003076fbfa06f65d700bfd252e60e48308f22162840947bf49613d79180f6d94db18c9bb0b89b4cefe

Download Submit
memory/1004-67-0x0000000004440000-0x0000000004442000-memory.dmp

Filesize
8KB

Download
memory/1004-48-0x0000000000730000-0x0000000000748000-memory.dmp

Filesize
96KB

Download
memory/1004-49-0x0000000000850000-0x0000000000860000-memory.dmp

Filesize
64KB

Download
memory/1004-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1004-66-0x00000000022A0000-0x00000000022AE000-memory.dmp

Filesize
56KB

Download
memory/1180-4-0x0000000000860000-0x00000000008BC000-memory.dmp

Filesize
368KB

Download
memory/1180-16-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/1180-5-0x00000000007D0000-0x00000000007E2000-memory.dmp

Filesize
72KB

Download
memory/1180-3-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/1180-2-0x00000000001F0000-0x00000000001FE000-memory.dmp

Filesize
56KB

Download
memory/1180-0-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/1180-1-0x00000000003D0000-0x00000000006CE000-memory.dmp

Filesize
3.0MB

Download
memory/1988-69-0x0000000001140000-0x000000000143E000-memory.dmp

Filesize
3.0MB

Download
memory/2716-23-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2716-34-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2716-32-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2716-29-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2716-27-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2716-25-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2716-33-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2716-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2896-35-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2896-21-0x00000000007C0000-0x000000000080E000-memory.dmp

Filesize
312KB

Download
memory/2896-20-0x0000000000730000-0x0000000000742000-memory.dmp

Filesize
72KB

Download
memory/2896-19-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2896-18-0x0000000000810000-0x0000000000B0E000-memory.dmp

Filesize
3.0MB

Download
memory/2896-17-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download