orcus | a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f

Analysis

max time kernel
127s
max time network
124s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
25-11-2024 01:13

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General

Target

a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe
Size

3.0MB
MD5

435e6df107884be845f20cf93d5edf37
SHA1

1ee749db7fcf2699ed0445e6021327cef5803495
SHA256

a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f
SHA512

4853b8e2547ce0c129525163f0d6d42f86c7d4cab13105f6138e52b19dc4cd3625133718daa78e30bfd08a6cc6bc71b2e6f3b6f542107aa881308db4b63eb473
SSDEEP

49152:1P7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpiu/nRFfjI7L0qb8:1PHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus svchost discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

svchost

31.44.184.52:10808

Mutex

explorer

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\externalflowerdb\discord.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/0x0008000000016c66-10.dat	family_orcus

Orcurs Rat Executable 11 IoCs

resource	yara_rule
behavioral1/memory/2096-1-0x0000000000E50000-0x000000000114E000-memory.dmp	orcus
behavioral1/files/0x0008000000016c66-10.dat	orcus
behavioral1/memory/2592-18-0x00000000002A0000-0x000000000059E000-memory.dmp	orcus
behavioral1/memory/1156-26-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/1156-33-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/1156-32-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/1156-31-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/1156-28-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2776-36-0x0000000000F90000-0x000000000128E000-memory.dmp	orcus
behavioral1/memory/1360-71-0x0000000000090000-0x000000000038E000-memory.dmp	orcus
behavioral1/memory/696-73-0x00000000000F0000-0x00000000003EE000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2592	discord.exe
2776	discord.exe
1360	discord.exe
696	discord.exe

Loads dropped DLL 1 IoCs

pid	Process
2096	a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2592 set thread context of 1156	2592	discord.exe	32
PID 2776 set thread context of 2208	2776	discord.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	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	discord.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	discord.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	discord.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	discord.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2096	a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe
2592	discord.exe
2592	discord.exe
2776	discord.exe
2776	discord.exe
2776	discord.exe
2776	discord.exe
1156	installutil.exe
1156	installutil.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2096	a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe
Token: SeDebugPrivilege	2592	discord.exe
Token: SeDebugPrivilege	2776	discord.exe
Token: SeDebugPrivilege	1156	installutil.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2592	2096	a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe	30
PID 2096 wrote to memory of 2592	2096	a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe	30
PID 2096 wrote to memory of 2592	2096	a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe	30
PID 2096 wrote to memory of 2592	2096	a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe	30
PID 2592 wrote to memory of 1156	2592	discord.exe	32
PID 2592 wrote to memory of 1156	2592	discord.exe	32
PID 2592 wrote to memory of 1156	2592	discord.exe	32
PID 2592 wrote to memory of 1156	2592	discord.exe	32
PID 2592 wrote to memory of 1156	2592	discord.exe	32
PID 2592 wrote to memory of 1156	2592	discord.exe	32
PID 2592 wrote to memory of 1156	2592	discord.exe	32
PID 2592 wrote to memory of 1156	2592	discord.exe	32
PID 2592 wrote to memory of 1156	2592	discord.exe	32
PID 2592 wrote to memory of 1156	2592	discord.exe	32
PID 2592 wrote to memory of 1156	2592	discord.exe	32
PID 2592 wrote to memory of 1156	2592	discord.exe	32
PID 2944 wrote to memory of 2776	2944	taskeng.exe	33
PID 2944 wrote to memory of 2776	2944	taskeng.exe	33
PID 2944 wrote to memory of 2776	2944	taskeng.exe	33
PID 2944 wrote to memory of 2776	2944	taskeng.exe	33
PID 2776 wrote to memory of 2768	2776	discord.exe	34
PID 2776 wrote to memory of 2768	2776	discord.exe	34
PID 2776 wrote to memory of 2768	2776	discord.exe	34
PID 2776 wrote to memory of 2768	2776	discord.exe	34
PID 2776 wrote to memory of 2768	2776	discord.exe	34
PID 2776 wrote to memory of 2768	2776	discord.exe	34
PID 2776 wrote to memory of 2768	2776	discord.exe	34
PID 2776 wrote to memory of 2208	2776	discord.exe	35
PID 2776 wrote to memory of 2208	2776	discord.exe	35
PID 2776 wrote to memory of 2208	2776	discord.exe	35
PID 2776 wrote to memory of 2208	2776	discord.exe	35
PID 2776 wrote to memory of 2208	2776	discord.exe	35
PID 2776 wrote to memory of 2208	2776	discord.exe	35
PID 2776 wrote to memory of 2208	2776	discord.exe	35
PID 2776 wrote to memory of 2208	2776	discord.exe	35
PID 2776 wrote to memory of 2208	2776	discord.exe	35
PID 2776 wrote to memory of 2208	2776	discord.exe	35
PID 2776 wrote to memory of 2208	2776	discord.exe	35
PID 2776 wrote to memory of 2208	2776	discord.exe	35
PID 2944 wrote to memory of 1360	2944	taskeng.exe	38
PID 2944 wrote to memory of 1360	2944	taskeng.exe	38
PID 2944 wrote to memory of 1360	2944	taskeng.exe	38
PID 2944 wrote to memory of 1360	2944	taskeng.exe	38
PID 2944 wrote to memory of 696	2944	taskeng.exe	39
PID 2944 wrote to memory of 696	2944	taskeng.exe	39
PID 2944 wrote to memory of 696	2944	taskeng.exe	39
PID 2944 wrote to memory of 696	2944	taskeng.exe	39

C:\Users\Admin\AppData\Local\Temp\a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe
"C:\Users\Admin\AppData\Local\Temp\a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
  "C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.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:2592
- - 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:1156

C:\Windows\system32\taskeng.exe
taskeng.exe {6B71C866-C44B-457E-BB25-5348BD01B2EC} S-1-5-21-1163522206-1469769407-485553996-1000:PJCSDMRP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
  C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.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\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    PID:2768
- - 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:2208
- C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
  C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1360
- C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
  C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:696

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\CabC4E7.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe

Filesize
3.0MB

MD5
435e6df107884be845f20cf93d5edf37

SHA1
1ee749db7fcf2699ed0445e6021327cef5803495

SHA256
a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f

SHA512
4853b8e2547ce0c129525163f0d6d42f86c7d4cab13105f6138e52b19dc4cd3625133718daa78e30bfd08a6cc6bc71b2e6f3b6f542107aa881308db4b63eb473

Download Submit
memory/696-73-0x00000000000F0000-0x00000000003EE000-memory.dmp

Filesize
3.0MB

Download
memory/1156-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1156-49-0x00000000003F0000-0x0000000000402000-memory.dmp

Filesize
72KB

Download
memory/1156-69-0x00000000024E0000-0x00000000024E2000-memory.dmp

Filesize
8KB

Download
memory/1156-68-0x0000000002400000-0x000000000240E000-memory.dmp

Filesize
56KB

Download
memory/1156-51-0x0000000000850000-0x0000000000860000-memory.dmp

Filesize
64KB

Download
memory/1156-50-0x00000000007B0000-0x00000000007C8000-memory.dmp

Filesize
96KB

Download
memory/1156-24-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1156-28-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1156-31-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1156-32-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1156-26-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1156-23-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1156-33-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1360-71-0x0000000000090000-0x000000000038E000-memory.dmp

Filesize
3.0MB

Download
memory/2096-5-0x0000000000440000-0x0000000000452000-memory.dmp

Filesize
72KB

Download
memory/2096-1-0x0000000000E50000-0x000000000114E000-memory.dmp

Filesize
3.0MB

Download
memory/2096-4-0x00000000008E0000-0x000000000093C000-memory.dmp

Filesize
368KB

Download
memory/2096-0-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/2096-2-0x00000000003B0000-0x00000000003BE000-memory.dmp

Filesize
56KB

Download
memory/2096-3-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2096-14-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2208-45-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2592-19-0x0000000073B40000-0x000000007422E000-memory.dmp

Filesize
6.9MB

Download
memory/2592-18-0x00000000002A0000-0x000000000059E000-memory.dmp

Filesize
3.0MB

Download
memory/2592-16-0x0000000073B4E000-0x0000000073B4F000-memory.dmp

Filesize
4KB

Download
memory/2592-34-0x0000000073B40000-0x000000007422E000-memory.dmp

Filesize
6.9MB

Download
memory/2592-20-0x0000000000900000-0x0000000000912000-memory.dmp

Filesize
72KB

Download
memory/2592-21-0x00000000009A0000-0x00000000009EE000-memory.dmp

Filesize
312KB

Download
memory/2776-36-0x0000000000F90000-0x000000000128E000-memory.dmp

Filesize
3.0MB

Download