orcus | 328b42682ffc73069ed31d0a9360aaf75e756cc2e51a280ef9849b9e836a990d

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
28-07-2024 18:00

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General

Target

MalwareBazaar.exe
Size

3.0MB
MD5

df016abe8bfe2653c1dca38309260358
SHA1

253c95a2b7f13d39b9a03ba9a52785258e439340
SHA256

328b42682ffc73069ed31d0a9360aaf75e756cc2e51a280ef9849b9e836a990d
SHA512

3fcb697b369444ff62c84dd7b562f685b035e87ed9beab9c603bb2c35d03d57db7f28d1ccc8ed2ffaf606802fc6e3a4e1535f627d9fe8e0a68514f27219762ec
SSDEEP

49152:B1HS7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpbu/nRFfjI7L0qb:BUHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus wave credential_access discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Wave

31.44.184.52:15288

Mutex

sudo_76v3ne68zd8b3j6xeaptqbdkmamvwu08

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\securedatalifeasync\universal_.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
behavioral2/files/0x000a000000023425-13.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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4580-1-0x0000000000DF0000-0x00000000010F2000-memory.dmp	orcus
behavioral2/files/0x000a000000023425-13.dat	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:

MalwareBazaar.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	MalwareBazaar.exe

Executes dropped EXE 6 IoCs

Processes:

universal_.exeuniversal_.exeuniversal_.exeuniversal_.exeuniversal_.exeuniversal_.exe

pid	Process
4224	universal_.exe
1564	universal_.exe
676	universal_.exe
4728	universal_.exe
4352	universal_.exe
1352	universal_.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

universal_.exeuniversal_.exeuniversal_.exe

description	pid	Process	procid_target
PID 4224 set thread context of 4436	4224	universal_.exe	91
PID 4728 set thread context of 3876	4728	universal_.exe	112
PID 4352 set thread context of 2544	4352	universal_.exe	119

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 10 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:

universal_.exemsbuild.exeuniversal_.exeuniversal_.exeinstallutil.exeuniversal_.exeMalwareBazaar.exeuniversal_.exeuniversal_.execaspol.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	universal_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msbuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	universal_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	universal_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	universal_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MalwareBazaar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	universal_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	universal_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caspol.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

MalwareBazaar.exeuniversal_.exemsbuild.exeuniversal_.exeuniversal_.exeinstallutil.exe

pid	Process
4580	MalwareBazaar.exe
4224	universal_.exe
4224	universal_.exe
4436	msbuild.exe
4436	msbuild.exe
4728	universal_.exe
4728	universal_.exe
4352	universal_.exe
4352	universal_.exe
4352	universal_.exe
4352	universal_.exe
4352	universal_.exe
4352	universal_.exe
4352	universal_.exe
4352	universal_.exe
3876	installutil.exe
3876	installutil.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

MalwareBazaar.exeuniversal_.exemsbuild.exeuniversal_.exeuniversal_.exeinstallutil.exe

description	pid	Process
Token: SeDebugPrivilege	4580	MalwareBazaar.exe
Token: SeDebugPrivilege	4224	universal_.exe
Token: SeDebugPrivilege	4436	msbuild.exe
Token: SeDebugPrivilege	4728	universal_.exe
Token: SeDebugPrivilege	4352	universal_.exe
Token: SeDebugPrivilege	3876	installutil.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

MalwareBazaar.exeuniversal_.exeuniversal_.exeuniversal_.exe

description	pid	Process	procid_target
PID 4580 wrote to memory of 4224	4580	MalwareBazaar.exe	87
PID 4580 wrote to memory of 4224	4580	MalwareBazaar.exe	87
PID 4580 wrote to memory of 4224	4580	MalwareBazaar.exe	87
PID 4224 wrote to memory of 4436	4224	universal_.exe	91
PID 4224 wrote to memory of 4436	4224	universal_.exe	91
PID 4224 wrote to memory of 4436	4224	universal_.exe	91
PID 4224 wrote to memory of 4436	4224	universal_.exe	91
PID 4224 wrote to memory of 4436	4224	universal_.exe	91
PID 4224 wrote to memory of 4436	4224	universal_.exe	91
PID 4224 wrote to memory of 4436	4224	universal_.exe	91
PID 4224 wrote to memory of 4436	4224	universal_.exe	91
PID 4728 wrote to memory of 3876	4728	universal_.exe	112
PID 4728 wrote to memory of 3876	4728	universal_.exe	112
PID 4728 wrote to memory of 3876	4728	universal_.exe	112
PID 4728 wrote to memory of 3876	4728	universal_.exe	112
PID 4728 wrote to memory of 3876	4728	universal_.exe	112
PID 4728 wrote to memory of 3876	4728	universal_.exe	112
PID 4728 wrote to memory of 3876	4728	universal_.exe	112
PID 4728 wrote to memory of 3876	4728	universal_.exe	112
PID 4352 wrote to memory of 1336	4352	universal_.exe	115
PID 4352 wrote to memory of 1336	4352	universal_.exe	115
PID 4352 wrote to memory of 1336	4352	universal_.exe	115
PID 4352 wrote to memory of 452	4352	universal_.exe	116
PID 4352 wrote to memory of 452	4352	universal_.exe	116
PID 4352 wrote to memory of 452	4352	universal_.exe	116
PID 4352 wrote to memory of 2836	4352	universal_.exe	118
PID 4352 wrote to memory of 2836	4352	universal_.exe	118
PID 4352 wrote to memory of 2836	4352	universal_.exe	118
PID 4352 wrote to memory of 2544	4352	universal_.exe	119
PID 4352 wrote to memory of 2544	4352	universal_.exe	119
PID 4352 wrote to memory of 2544	4352	universal_.exe	119
PID 4352 wrote to memory of 2544	4352	universal_.exe	119
PID 4352 wrote to memory of 2544	4352	universal_.exe	119
PID 4352 wrote to memory of 2544	4352	universal_.exe	119
PID 4352 wrote to memory of 2544	4352	universal_.exe	119
PID 4352 wrote to memory of 2544	4352	universal_.exe	119

C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4580
- C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.exe
  "C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.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:4224
- - 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
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4436

C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.exe
C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1564

C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.exe
C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:676

C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.exe
C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.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:4728
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3876

C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.exe
C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.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:4352
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
  2⤵
  PID:1336
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
  2⤵
  PID:452
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
  2⤵
  PID:2836
- 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
  PID:2544

C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.exe
C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1352

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

Query Registry

T1012

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

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

Download Submit
C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.exe

Filesize
3.0MB

MD5
df016abe8bfe2653c1dca38309260358

SHA1
253c95a2b7f13d39b9a03ba9a52785258e439340

SHA256
328b42682ffc73069ed31d0a9360aaf75e756cc2e51a280ef9849b9e836a990d

SHA512
3fcb697b369444ff62c84dd7b562f685b035e87ed9beab9c603bb2c35d03d57db7f28d1ccc8ed2ffaf606802fc6e3a4e1535f627d9fe8e0a68514f27219762ec

Download Submit
C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1564-41-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/1564-30-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/3876-58-0x0000000006FC0000-0x000000000700C000-memory.dmp

Filesize
304KB

Download
memory/4224-32-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4224-25-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4224-28-0x0000000006400000-0x000000000649C000-memory.dmp

Filesize
624KB

Download
memory/4224-23-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4224-26-0x0000000005A80000-0x0000000005ACE000-memory.dmp

Filesize
312KB

Download
memory/4352-55-0x0000000005470000-0x0000000005482000-memory.dmp

Filesize
72KB

Download
memory/4436-35-0x0000000006030000-0x0000000006040000-memory.dmp

Filesize
64KB

Download
memory/4436-46-0x0000000007870000-0x000000000797A000-memory.dmp

Filesize
1.0MB

Download
memory/4436-49-0x0000000008780000-0x00000000087D0000-memory.dmp

Filesize
320KB

Download
memory/4436-48-0x0000000007A40000-0x0000000007A4E000-memory.dmp

Filesize
56KB

Download
memory/4436-47-0x00000000081E0000-0x00000000083A2000-memory.dmp

Filesize
1.8MB

Download
memory/4436-33-0x0000000005950000-0x0000000005962000-memory.dmp

Filesize
72KB

Download
memory/4436-34-0x0000000005FE0000-0x0000000005FF8000-memory.dmp

Filesize
96KB

Download
memory/4436-45-0x00000000076E0000-0x000000000772C000-memory.dmp

Filesize
304KB

Download
memory/4436-36-0x0000000006C90000-0x0000000006C9A000-memory.dmp

Filesize
40KB

Download
memory/4436-39-0x0000000007530000-0x0000000007596000-memory.dmp

Filesize
408KB

Download
memory/4436-44-0x00000000076A0000-0x00000000076DC000-memory.dmp

Filesize
240KB

Download
memory/4436-43-0x0000000007640000-0x0000000007652000-memory.dmp

Filesize
72KB

Download
memory/4436-42-0x0000000007BC0000-0x00000000081D8000-memory.dmp

Filesize
6.1MB

Download
memory/4580-2-0x0000000005A50000-0x0000000005A5E000-memory.dmp

Filesize
56KB

Download
memory/4580-3-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4580-7-0x0000000006330000-0x0000000006342000-memory.dmp

Filesize
72KB

Download
memory/4580-24-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4580-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/4580-4-0x0000000005AA0000-0x0000000005AFC000-memory.dmp

Filesize
368KB

Download
memory/4580-5-0x0000000006400000-0x00000000069A4000-memory.dmp

Filesize
5.6MB

Download
memory/4580-6-0x0000000005E50000-0x0000000005EE2000-memory.dmp

Filesize
584KB

Download
memory/4580-1-0x0000000000DF0000-0x00000000010F2000-memory.dmp

Filesize
3.0MB

Download