orcus | 6d62bd507f45d3dda13b1e20f71705e614c6601bf85c1add695f64f1ce25fdaf

Analysis

max time kernel
126s
max time network
133s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 01:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6d62bd507f45d3dda13b1e20f71705e614c6601bf85c1add695f64f1ce25fdaf.exe
Size

3.1MB
MD5

a440503b1c50894d954d12cc8e341e56
SHA1

33489285a75483d33876baa5880dcf418394b80a
SHA256

6d62bd507f45d3dda13b1e20f71705e614c6601bf85c1add695f64f1ce25fdaf
SHA512

42f36a654ca1fb2868a7d1026ef118a398285307c8f44b4e8e6d9c6d8090368c59ea232955d131839d30e63a56e317d1e068e725324a44a473b4522b5655ac2c
SSDEEP

49152:oP7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpiu/nRFfjI7L0qbg:oPHTPJg8z1mKnypSbRxo9JCml

Score

10^/10

orcus norm discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Norm

31.44.184.52:61651

Mutex

AstraPublic

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\AstraLoader\Injector.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/0x00080000000146e1-10.dat	family_orcus

Orcurs Rat Executable 10 IoCs

resource	yara_rule
behavioral1/memory/2692-1-0x0000000000A50000-0x0000000000D64000-memory.dmp	orcus
behavioral1/files/0x00080000000146e1-10.dat	orcus
behavioral1/memory/2712-16-0x0000000000170000-0x0000000000484000-memory.dmp	orcus
behavioral1/memory/2680-32-0x0000000000400000-0x0000000000714000-memory.dmp	orcus
behavioral1/memory/2680-34-0x0000000000400000-0x0000000000714000-memory.dmp	orcus
behavioral1/memory/2680-31-0x0000000000400000-0x0000000000714000-memory.dmp	orcus
behavioral1/memory/2680-28-0x0000000000400000-0x0000000000714000-memory.dmp	orcus
behavioral1/memory/2680-26-0x0000000000400000-0x0000000000714000-memory.dmp	orcus
behavioral1/memory/1984-57-0x0000000000B70000-0x0000000000E84000-memory.dmp	orcus
behavioral1/memory/1636-59-0x00000000001D0000-0x00000000004E4000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2712	Injector.exe
2620	Injector.exe
1984	Injector.exe
1636	Injector.exe

Loads dropped DLL 1 IoCs

pid	Process
2692	6d62bd507f45d3dda13b1e20f71705e614c6601bf85c1add695f64f1ce25fdaf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2712 set thread context of 2680	2712	Injector.exe	30

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Injector.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Injector.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Injector.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6d62bd507f45d3dda13b1e20f71705e614c6601bf85c1add695f64f1ce25fdaf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Injector.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2692	6d62bd507f45d3dda13b1e20f71705e614c6601bf85c1add695f64f1ce25fdaf.exe
2712	Injector.exe
2712	Injector.exe
2680	installutil.exe
2680	installutil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	6d62bd507f45d3dda13b1e20f71705e614c6601bf85c1add695f64f1ce25fdaf.exe
Token: SeDebugPrivilege	2712	Injector.exe
Token: SeDebugPrivilege	2680	installutil.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2712	2692	6d62bd507f45d3dda13b1e20f71705e614c6601bf85c1add695f64f1ce25fdaf.exe	28
PID 2692 wrote to memory of 2712	2692	6d62bd507f45d3dda13b1e20f71705e614c6601bf85c1add695f64f1ce25fdaf.exe	28
PID 2692 wrote to memory of 2712	2692	6d62bd507f45d3dda13b1e20f71705e614c6601bf85c1add695f64f1ce25fdaf.exe	28
PID 2692 wrote to memory of 2712	2692	6d62bd507f45d3dda13b1e20f71705e614c6601bf85c1add695f64f1ce25fdaf.exe	28
PID 2712 wrote to memory of 2680	2712	Injector.exe	30
PID 2712 wrote to memory of 2680	2712	Injector.exe	30
PID 2712 wrote to memory of 2680	2712	Injector.exe	30
PID 2712 wrote to memory of 2680	2712	Injector.exe	30
PID 2712 wrote to memory of 2680	2712	Injector.exe	30
PID 2712 wrote to memory of 2680	2712	Injector.exe	30
PID 2712 wrote to memory of 2680	2712	Injector.exe	30
PID 2712 wrote to memory of 2680	2712	Injector.exe	30
PID 2712 wrote to memory of 2680	2712	Injector.exe	30
PID 2712 wrote to memory of 2680	2712	Injector.exe	30
PID 2712 wrote to memory of 2680	2712	Injector.exe	30
PID 2712 wrote to memory of 2680	2712	Injector.exe	30
PID 2832 wrote to memory of 2620	2832	taskeng.exe	31
PID 2832 wrote to memory of 2620	2832	taskeng.exe	31
PID 2832 wrote to memory of 2620	2832	taskeng.exe	31
PID 2832 wrote to memory of 2620	2832	taskeng.exe	31
PID 2832 wrote to memory of 1984	2832	taskeng.exe	35
PID 2832 wrote to memory of 1984	2832	taskeng.exe	35
PID 2832 wrote to memory of 1984	2832	taskeng.exe	35
PID 2832 wrote to memory of 1984	2832	taskeng.exe	35
PID 2832 wrote to memory of 1636	2832	taskeng.exe	36
PID 2832 wrote to memory of 1636	2832	taskeng.exe	36
PID 2832 wrote to memory of 1636	2832	taskeng.exe	36
PID 2832 wrote to memory of 1636	2832	taskeng.exe	36

C:\Users\Admin\AppData\Local\Temp\6d62bd507f45d3dda13b1e20f71705e614c6601bf85c1add695f64f1ce25fdaf.exe
"C:\Users\Admin\AppData\Local\Temp\6d62bd507f45d3dda13b1e20f71705e614c6601bf85c1add695f64f1ce25fdaf.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Users\Admin\AppData\Roaming\AstraLoader\Injector.exe
  "C:\Users\Admin\AppData\Roaming\AstraLoader\Injector.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:2712
- - 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:2680

C:\Windows\system32\taskeng.exe
taskeng.exe {39F44FEC-425E-4438-94EF-4184593AEDC5} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2832
- C:\Users\Admin\AppData\Roaming\AstraLoader\Injector.exe
  C:\Users\Admin\AppData\Roaming\AstraLoader\Injector.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2620
- C:\Users\Admin\AppData\Roaming\AstraLoader\Injector.exe
  C:\Users\Admin\AppData\Roaming\AstraLoader\Injector.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1984
- C:\Users\Admin\AppData\Roaming\AstraLoader\Injector.exe
  C:\Users\Admin\AppData\Roaming\AstraLoader\Injector.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1636

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Cab96A6.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Roaming\AstraLoader\Injector.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Users\Admin\AppData\Roaming\AstraLoader\Injector.exe

Filesize
3.1MB

MD5
a440503b1c50894d954d12cc8e341e56

SHA1
33489285a75483d33876baa5880dcf418394b80a

SHA256
6d62bd507f45d3dda13b1e20f71705e614c6601bf85c1add695f64f1ce25fdaf

SHA512
42f36a654ca1fb2868a7d1026ef118a398285307c8f44b4e8e6d9c6d8090368c59ea232955d131839d30e63a56e317d1e068e725324a44a473b4522b5655ac2c

Download Submit
memory/1636-59-0x00000000001D0000-0x00000000004E4000-memory.dmp

Filesize
3.1MB

Download
memory/1984-57-0x0000000000B70000-0x0000000000E84000-memory.dmp

Filesize
3.1MB

Download
memory/2680-22-0x0000000000400000-0x0000000000714000-memory.dmp

Filesize
3.1MB

Download
memory/2680-28-0x0000000000400000-0x0000000000714000-memory.dmp

Filesize
3.1MB

Download
memory/2680-39-0x0000000000AA0000-0x0000000000AB0000-memory.dmp

Filesize
64KB

Download
memory/2680-38-0x0000000000A70000-0x0000000000A88000-memory.dmp

Filesize
96KB

Download
memory/2680-37-0x0000000000900000-0x0000000000912000-memory.dmp

Filesize
72KB

Download
memory/2680-26-0x0000000000400000-0x0000000000714000-memory.dmp

Filesize
3.1MB

Download
memory/2680-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-31-0x0000000000400000-0x0000000000714000-memory.dmp

Filesize
3.1MB

Download
memory/2680-34-0x0000000000400000-0x0000000000714000-memory.dmp

Filesize
3.1MB

Download
memory/2680-32-0x0000000000400000-0x0000000000714000-memory.dmp

Filesize
3.1MB

Download
memory/2680-24-0x0000000000400000-0x0000000000714000-memory.dmp

Filesize
3.1MB

Download
memory/2692-17-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/2692-1-0x0000000000A50000-0x0000000000D64000-memory.dmp

Filesize
3.1MB

Download
memory/2692-2-0x00000000001F0000-0x00000000001FE000-memory.dmp

Filesize
56KB

Download
memory/2692-0-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/2692-3-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/2692-5-0x00000000002D0000-0x00000000002E2000-memory.dmp

Filesize
72KB

Download
memory/2692-4-0x0000000000830000-0x000000000088C000-memory.dmp

Filesize
368KB

Download
memory/2712-21-0x0000000000B40000-0x0000000000B8E000-memory.dmp

Filesize
312KB

Download
memory/2712-16-0x0000000000170000-0x0000000000484000-memory.dmp

Filesize
3.1MB

Download
memory/2712-18-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/2712-20-0x00000000005C0000-0x00000000005D2000-memory.dmp

Filesize
72KB

Download
memory/2712-35-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/2712-19-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download