orcus | 12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76

Analysis

max time kernel
129s
max time network
135s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 01:03

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General

Target

12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe
Size

3.0MB
MD5

09e4d093f8352ae34ac8f6c67c1c4cf5
SHA1

2658b72bf4ea7ee30c632731fc08441042b1d941
SHA256

12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76
SHA512

deb8d26e782a70c16026b09547de20c5c31bd9a7dec49b8a3f0a995984fc79fb33de5e508330922c243c624fe1f562375c8291f56391f07f6860bcc32cd956b8
SSDEEP

49152:Y1HS7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpbu/nRFfjI7L0qb:YUHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus новый тег discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Новый тег

31.44.184.52:21841

Mutex

sudo_s8wlrdsbeuebt5jgidu6aws01wnjwwb4

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\centralpacket\bigloadline.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/0x0008000000015e8f-10.dat	family_orcus

Orcurs Rat Executable 8 IoCs

resource	yara_rule
behavioral1/memory/1972-1-0x0000000001100000-0x00000000013FE000-memory.dmp	orcus
behavioral1/files/0x0008000000015e8f-10.dat	orcus
behavioral1/memory/2244-17-0x00000000010E0000-0x00000000013DE000-memory.dmp	orcus
behavioral1/memory/2800-36-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2800-33-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2800-32-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2800-29-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2800-27-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2244	bigloadline.exe
2804	bigloadline.exe
332	bigloadline.exe
1728	bigloadline.exe

Loads dropped DLL 1 IoCs

pid	Process
1972	12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2244 set thread context of 2800	2244	bigloadline.exe	30
PID 2804 set thread context of 2684	2804	bigloadline.exe	32

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	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bigloadline.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bigloadline.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bigloadline.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bigloadline.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1972	12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe
2244	bigloadline.exe
2244	bigloadline.exe
2804	bigloadline.exe
2804	bigloadline.exe
2684	installutil.exe
2684	installutil.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe
Token: SeDebugPrivilege	2244	bigloadline.exe
Token: SeDebugPrivilege	2804	bigloadline.exe
Token: SeDebugPrivilege	2684	installutil.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2244	1972	12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe	28
PID 1972 wrote to memory of 2244	1972	12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe	28
PID 1972 wrote to memory of 2244	1972	12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe	28
PID 1972 wrote to memory of 2244	1972	12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe	28
PID 2960 wrote to memory of 2804	2960	taskeng.exe	31
PID 2960 wrote to memory of 2804	2960	taskeng.exe	31
PID 2960 wrote to memory of 2804	2960	taskeng.exe	31
PID 2960 wrote to memory of 2804	2960	taskeng.exe	31
PID 2244 wrote to memory of 2800	2244	bigloadline.exe	30
PID 2244 wrote to memory of 2800	2244	bigloadline.exe	30
PID 2244 wrote to memory of 2800	2244	bigloadline.exe	30
PID 2244 wrote to memory of 2800	2244	bigloadline.exe	30
PID 2244 wrote to memory of 2800	2244	bigloadline.exe	30
PID 2244 wrote to memory of 2800	2244	bigloadline.exe	30
PID 2244 wrote to memory of 2800	2244	bigloadline.exe	30
PID 2244 wrote to memory of 2800	2244	bigloadline.exe	30
PID 2244 wrote to memory of 2800	2244	bigloadline.exe	30
PID 2244 wrote to memory of 2800	2244	bigloadline.exe	30
PID 2244 wrote to memory of 2800	2244	bigloadline.exe	30
PID 2244 wrote to memory of 2800	2244	bigloadline.exe	30
PID 2804 wrote to memory of 2684	2804	bigloadline.exe	32
PID 2804 wrote to memory of 2684	2804	bigloadline.exe	32
PID 2804 wrote to memory of 2684	2804	bigloadline.exe	32
PID 2804 wrote to memory of 2684	2804	bigloadline.exe	32
PID 2804 wrote to memory of 2684	2804	bigloadline.exe	32
PID 2804 wrote to memory of 2684	2804	bigloadline.exe	32
PID 2804 wrote to memory of 2684	2804	bigloadline.exe	32
PID 2804 wrote to memory of 2684	2804	bigloadline.exe	32
PID 2804 wrote to memory of 2684	2804	bigloadline.exe	32
PID 2804 wrote to memory of 2684	2804	bigloadline.exe	32
PID 2804 wrote to memory of 2684	2804	bigloadline.exe	32
PID 2804 wrote to memory of 2684	2804	bigloadline.exe	32
PID 2960 wrote to memory of 332	2960	taskeng.exe	36
PID 2960 wrote to memory of 332	2960	taskeng.exe	36
PID 2960 wrote to memory of 332	2960	taskeng.exe	36
PID 2960 wrote to memory of 332	2960	taskeng.exe	36
PID 2960 wrote to memory of 1728	2960	taskeng.exe	37
PID 2960 wrote to memory of 1728	2960	taskeng.exe	37
PID 2960 wrote to memory of 1728	2960	taskeng.exe	37
PID 2960 wrote to memory of 1728	2960	taskeng.exe	37

C:\Users\Admin\AppData\Local\Temp\12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe
"C:\Users\Admin\AppData\Local\Temp\12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe
  "C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.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:2244
- - 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:2800

C:\Windows\system32\taskeng.exe
taskeng.exe {0FBF0425-FB2A-4B31-A139-1F5EFE40B169} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe
  C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.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:2804
- - 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:2684
- C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe
  C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:332
- C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe
  C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1728

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabB34A.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe

Filesize
3.0MB

MD5
09e4d093f8352ae34ac8f6c67c1c4cf5

SHA1
2658b72bf4ea7ee30c632731fc08441042b1d941

SHA256
12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76

SHA512
deb8d26e782a70c16026b09547de20c5c31bd9a7dec49b8a3f0a995984fc79fb33de5e508330922c243c624fe1f562375c8291f56391f07f6860bcc32cd956b8

Download Submit
memory/1972-1-0x0000000001100000-0x00000000013FE000-memory.dmp

Filesize
3.0MB

Download
memory/1972-2-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download
memory/1972-3-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/1972-4-0x0000000000430000-0x000000000048C000-memory.dmp

Filesize
368KB

Download
memory/1972-5-0x0000000000640000-0x0000000000652000-memory.dmp

Filesize
72KB

Download
memory/1972-0-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/1972-16-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-18-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-21-0x0000000000760000-0x00000000007AE000-memory.dmp

Filesize
312KB

Download
memory/2244-20-0x00000000005C0000-0x00000000005D2000-memory.dmp

Filesize
72KB

Download
memory/2244-19-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-35-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-17-0x00000000010E0000-0x00000000013DE000-memory.dmp

Filesize
3.0MB

Download
memory/2684-46-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2684-69-0x0000000004AB0000-0x0000000004AB2000-memory.dmp

Filesize
8KB

Download
memory/2684-68-0x0000000004540000-0x000000000454E000-memory.dmp

Filesize
56KB

Download
memory/2684-51-0x0000000000B30000-0x0000000000B40000-memory.dmp

Filesize
64KB

Download
memory/2684-50-0x0000000000AB0000-0x0000000000AC8000-memory.dmp

Filesize
96KB

Download
memory/2800-36-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2800-25-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2800-23-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2800-27-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2800-29-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2800-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2800-32-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2800-33-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2804-37-0x0000000000840000-0x0000000000852000-memory.dmp

Filesize
72KB

Download