orcus | 167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305

Analysis

max time kernel
129s
max time network
132s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
05-08-2024 01:01

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General

Target

167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe
Size

3.0MB
MD5

e8f13261dd999c4ee751a34728fe5b89
SHA1

a663216f44289292961bed4ac807ee54ef666ac4
SHA256

167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305
SHA512

eef63c6764704b4a13656015a97d3d8bbfaa09cef3c1f95af65cbfef1768a312cbfbfe198f4a8be5ed78b4bc60054e232c3809c3446d0c2f0ba67b3765271887
SSDEEP

49152:bGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qb:bLHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus solara_installer credential_access discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Solara_Installer

31.44.184.52:15288

Mutex

sudo_jeldug88ys400apl7az25mf2jie33cl8

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\dleimage\centralgenerator.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

Processes:

resource	yara_rule
behavioral1/files/0x0009000000016d66-10.dat	family_orcus

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Orcurs Rat Executable 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2220-1-0x0000000000AD0000-0x0000000000DDE000-memory.dmp	orcus
behavioral1/files/0x0009000000016d66-10.dat	orcus
behavioral1/memory/2776-17-0x0000000001170000-0x000000000147E000-memory.dmp	orcus
behavioral1/memory/2528-34-0x0000000000400000-0x000000000070E000-memory.dmp	orcus
behavioral1/memory/2528-31-0x0000000000400000-0x000000000070E000-memory.dmp	orcus
behavioral1/memory/2528-26-0x0000000000400000-0x000000000070E000-memory.dmp	orcus
behavioral1/memory/2528-32-0x0000000000400000-0x000000000070E000-memory.dmp	orcus
behavioral1/memory/2528-28-0x0000000000400000-0x000000000070E000-memory.dmp	orcus
behavioral1/memory/832-58-0x00000000000A0000-0x00000000003AE000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

Processes:

centralgenerator.execentralgenerator.execentralgenerator.execentralgenerator.exe

pid	Process
2776	centralgenerator.exe
2744	centralgenerator.exe
2180	centralgenerator.exe
832	centralgenerator.exe

Loads dropped DLL 1 IoCs

Processes:

167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe

pid	Process
2220	167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

centralgenerator.exe

description	pid	Process	procid_target
PID 2776 set thread context of 2528	2776	centralgenerator.exe	34

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 6 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:

caspol.execentralgenerator.execentralgenerator.exe167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.execentralgenerator.execentralgenerator.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caspol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	centralgenerator.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	centralgenerator.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	centralgenerator.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	centralgenerator.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.execentralgenerator.execaspol.exe

pid	Process
2220	167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe
2776	centralgenerator.exe
2776	centralgenerator.exe
2776	centralgenerator.exe
2776	centralgenerator.exe
2528	caspol.exe
2528	caspol.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.execentralgenerator.execaspol.exe

description	pid	Process
Token: SeDebugPrivilege	2220	167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe
Token: SeDebugPrivilege	2776	centralgenerator.exe
Token: SeDebugPrivilege	2528	caspol.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exetaskeng.execentralgenerator.exe

description	pid	Process	procid_target
PID 2220 wrote to memory of 2776	2220	167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe	30
PID 2220 wrote to memory of 2776	2220	167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe	30
PID 2220 wrote to memory of 2776	2220	167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe	30
PID 2220 wrote to memory of 2776	2220	167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe	30
PID 2904 wrote to memory of 2744	2904	taskeng.exe	33
PID 2904 wrote to memory of 2744	2904	taskeng.exe	33
PID 2904 wrote to memory of 2744	2904	taskeng.exe	33
PID 2904 wrote to memory of 2744	2904	taskeng.exe	33
PID 2776 wrote to memory of 2624	2776	centralgenerator.exe	32
PID 2776 wrote to memory of 2624	2776	centralgenerator.exe	32
PID 2776 wrote to memory of 2624	2776	centralgenerator.exe	32
PID 2776 wrote to memory of 2624	2776	centralgenerator.exe	32
PID 2776 wrote to memory of 2528	2776	centralgenerator.exe	34
PID 2776 wrote to memory of 2528	2776	centralgenerator.exe	34
PID 2776 wrote to memory of 2528	2776	centralgenerator.exe	34
PID 2776 wrote to memory of 2528	2776	centralgenerator.exe	34
PID 2776 wrote to memory of 2528	2776	centralgenerator.exe	34
PID 2776 wrote to memory of 2528	2776	centralgenerator.exe	34
PID 2776 wrote to memory of 2528	2776	centralgenerator.exe	34
PID 2776 wrote to memory of 2528	2776	centralgenerator.exe	34
PID 2776 wrote to memory of 2528	2776	centralgenerator.exe	34
PID 2904 wrote to memory of 2180	2904	taskeng.exe	36
PID 2904 wrote to memory of 2180	2904	taskeng.exe	36
PID 2904 wrote to memory of 2180	2904	taskeng.exe	36
PID 2904 wrote to memory of 2180	2904	taskeng.exe	36
PID 2904 wrote to memory of 832	2904	taskeng.exe	37
PID 2904 wrote to memory of 832	2904	taskeng.exe	37
PID 2904 wrote to memory of 832	2904	taskeng.exe	37
PID 2904 wrote to memory of 832	2904	taskeng.exe	37

C:\Users\Admin\AppData\Local\Temp\167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe
"C:\Users\Admin\AppData\Local\Temp\167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe
  "C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.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:2776
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
    3⤵
    PID:2624
- - 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:2528

C:\Windows\system32\taskeng.exe
taskeng.exe {2601D13D-B505-4314-8CAB-A3070C1DABE4} S-1-5-21-2212144002-1172735686-1556890956-1000:MVFYZPLM\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe
  C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe
  C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2180
- C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe
  C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

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\Cab4349.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Users\Admin\AppData\Roaming\dleimage\centralgenerator.exe

Filesize
3.0MB

MD5
e8f13261dd999c4ee751a34728fe5b89

SHA1
a663216f44289292961bed4ac807ee54ef666ac4

SHA256
167869ef2298bba97c8fd7028e03a6b9d76db153dc8fd4d5284e2fc16663e305

SHA512
eef63c6764704b4a13656015a97d3d8bbfaa09cef3c1f95af65cbfef1768a312cbfbfe198f4a8be5ed78b4bc60054e232c3809c3446d0c2f0ba67b3765271887

Download Submit
memory/832-58-0x00000000000A0000-0x00000000003AE000-memory.dmp

Filesize
3.1MB

Download
memory/2220-0-0x0000000073D5E000-0x0000000073D5F000-memory.dmp

Filesize
4KB

Download
memory/2220-1-0x0000000000AD0000-0x0000000000DDE000-memory.dmp

Filesize
3.1MB

Download
memory/2220-2-0x0000000000670000-0x000000000067E000-memory.dmp

Filesize
56KB

Download
memory/2220-3-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-4-0x0000000002370000-0x00000000023CC000-memory.dmp

Filesize
368KB

Download
memory/2220-5-0x0000000000710000-0x0000000000722000-memory.dmp

Filesize
72KB

Download
memory/2220-16-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-34-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/2528-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2528-22-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/2528-55-0x0000000005180000-0x0000000005182000-memory.dmp

Filesize
8KB

Download
memory/2528-31-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/2528-26-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/2528-32-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/2528-54-0x0000000004D00000-0x0000000004D0E000-memory.dmp

Filesize
56KB

Download
memory/2528-24-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/2528-37-0x00000000008A0000-0x00000000008B0000-memory.dmp

Filesize
64KB

Download
memory/2528-28-0x0000000000400000-0x000000000070E000-memory.dmp

Filesize
3.1MB

Download
memory/2528-36-0x00000000003B0000-0x00000000003C8000-memory.dmp

Filesize
96KB

Download
memory/2776-20-0x0000000000BC0000-0x0000000000C0E000-memory.dmp

Filesize
312KB

Download
memory/2776-18-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-35-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-19-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-17-0x0000000001170000-0x000000000147E000-memory.dmp

Filesize
3.1MB

Download