orcus | 12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76

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

C2

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

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe	family_orcus

Orcurs Rat Executable 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4032-1-0x0000000000AF0000-0x0000000000DEE000-memory.dmp	orcus
C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe	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

Processes:

12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe

Executes dropped EXE 5 IoCs

Processes:

bigloadline.exebigloadline.exebigloadline.exebigloadline.exebigloadline.exe

pid process

4136 bigloadline.exe
4520 bigloadline.exe
4528 bigloadline.exe
5028 bigloadline.exe
2788 bigloadline.exe

pid	process
4136	bigloadline.exe
4520	bigloadline.exe
4528	bigloadline.exe
5028	bigloadline.exe
2788	bigloadline.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

bigloadline.exebigloadline.exe

description	pid	process	target process
PID 4136 set thread context of 2356	4136	bigloadline.exe	msbuild.exe
PID 4520 set thread context of 528	4520	bigloadline.exe	caspol.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 8 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:

bigloadline.execaspol.exebigloadline.exebigloadline.exe12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exebigloadline.exebigloadline.exemsbuild.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bigloadline.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caspol.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msbuild.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exebigloadline.exebigloadline.execaspol.exe

pid	process
4032	12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe
4136	bigloadline.exe
4136	bigloadline.exe
4520	bigloadline.exe
4520	bigloadline.exe
4520	bigloadline.exe
4520	bigloadline.exe
4520	bigloadline.exe
4520	bigloadline.exe
4520	bigloadline.exe
4520	bigloadline.exe
4520	bigloadline.exe
4520	bigloadline.exe
528	caspol.exe
528	caspol.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exebigloadline.exebigloadline.execaspol.exe

description	pid	process
Token: SeDebugPrivilege	4032	12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe
Token: SeDebugPrivilege	4136	bigloadline.exe
Token: SeDebugPrivilege	4520	bigloadline.exe
Token: SeDebugPrivilege	528	caspol.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exebigloadline.exebigloadline.exe

description	pid	process	target process
PID 4032 wrote to memory of 4136	4032	12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe	bigloadline.exe
PID 4032 wrote to memory of 4136	4032	12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe	bigloadline.exe
PID 4032 wrote to memory of 4136	4032	12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe	bigloadline.exe
PID 4136 wrote to memory of 2356	4136	bigloadline.exe	msbuild.exe
PID 4136 wrote to memory of 2356	4136	bigloadline.exe	msbuild.exe
PID 4136 wrote to memory of 2356	4136	bigloadline.exe	msbuild.exe
PID 4136 wrote to memory of 2356	4136	bigloadline.exe	msbuild.exe
PID 4136 wrote to memory of 2356	4136	bigloadline.exe	msbuild.exe
PID 4136 wrote to memory of 2356	4136	bigloadline.exe	msbuild.exe
PID 4136 wrote to memory of 2356	4136	bigloadline.exe	msbuild.exe
PID 4136 wrote to memory of 2356	4136	bigloadline.exe	msbuild.exe
PID 4520 wrote to memory of 212	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 212	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 212	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 4900	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 4900	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 4900	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 1992	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 1992	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 1992	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 2052	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 2052	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 2052	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 528	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 528	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 528	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 528	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 528	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 528	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 528	4520	bigloadline.exe	caspol.exe
PID 4520 wrote to memory of 528	4520	bigloadline.exe	caspol.exe

C:\Users\Admin\AppData\Local\Temp\12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe
"C:\Users\Admin\AppData\Local\Temp\12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4032
- 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:4136
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2356

C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe
C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe
1⤵
- 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:4520
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
  2⤵
  PID:212
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
  2⤵
  PID:4900
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
  2⤵
  PID:1992
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
  2⤵
  PID:2052
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:528

C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe
C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4528

C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe
C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5028

C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe
C:\Users\Admin\AppData\Roaming\centralpacket\bigloadline.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\Microsoft\CLR_v4.0_32\UsageLogs\bigloadline.exe.log

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

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

Filesize
3.0MB

MD5
09e4d093f8352ae34ac8f6c67c1c4cf5

SHA1
2658b72bf4ea7ee30c632731fc08441042b1d941

SHA256
12e8f5d8b73a578e57a87074a1f8444a52cf8ff6dbedb13ce4549aab02655a76

SHA512
deb8d26e782a70c16026b09547de20c5c31bd9a7dec49b8a3f0a995984fc79fb33de5e508330922c243c624fe1f562375c8291f56391f07f6860bcc32cd956b8

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/528-45-0x0000000007B80000-0x0000000008198000-memory.dmp

Filesize
6.1MB

Download
memory/528-48-0x00000000076A0000-0x00000000076EC000-memory.dmp

Filesize
304KB

Download
memory/528-39-0x0000000006B10000-0x0000000006B1A000-memory.dmp

Filesize
40KB

Download
memory/528-52-0x0000000008720000-0x0000000008770000-memory.dmp

Filesize
320KB

Download
memory/528-51-0x0000000007820000-0x000000000782E000-memory.dmp

Filesize
56KB

Download
memory/528-50-0x00000000081A0000-0x0000000008362000-memory.dmp

Filesize
1.8MB

Download
memory/528-49-0x0000000007830000-0x000000000793A000-memory.dmp

Filesize
1.0MB

Download
memory/528-38-0x0000000005FF0000-0x0000000006000000-memory.dmp

Filesize
64KB

Download
memory/528-47-0x0000000007660000-0x000000000769C000-memory.dmp

Filesize
240KB

Download
memory/528-46-0x0000000007600000-0x0000000007612000-memory.dmp

Filesize
72KB

Download
memory/528-42-0x00000000074F0000-0x0000000007556000-memory.dmp

Filesize
408KB

Download
memory/528-37-0x0000000005F90000-0x0000000005FA8000-memory.dmp

Filesize
96KB

Download
memory/2356-44-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/2356-33-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4032-24-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4032-4-0x00000000059E0000-0x0000000005A3C000-memory.dmp

Filesize
368KB

Download
memory/4032-6-0x0000000005BC0000-0x0000000005C52000-memory.dmp

Filesize
584KB

Download
memory/4032-5-0x00000000060D0000-0x0000000006674000-memory.dmp

Filesize
5.6MB

Download
memory/4032-7-0x00000000059C0000-0x00000000059D2000-memory.dmp

Filesize
72KB

Download
memory/4032-1-0x0000000000AF0000-0x0000000000DEE000-memory.dmp

Filesize
3.0MB

Download
memory/4032-3-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4032-0-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/4032-2-0x0000000001930000-0x000000000193E000-memory.dmp

Filesize
56KB

Download
memory/4136-32-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4136-23-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4136-25-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4136-26-0x0000000005EC0000-0x0000000005ED2000-memory.dmp

Filesize
72KB

Download
memory/4136-29-0x0000000006CE0000-0x0000000006D7C000-memory.dmp

Filesize
624KB

Download
memory/4136-27-0x0000000006380000-0x00000000063CE000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads