orcus | 328b42682ffc73069ed31d0a9360aaf75e756cc2e51a280ef9849b9e836a990d

Analysis

max time kernel
135s
max time network
140s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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
behavioral1/files/0x0034000000017429-10.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 11 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2668-1-0x00000000010A0000-0x00000000013A2000-memory.dmp	orcus
behavioral1/files/0x0034000000017429-10.dat	orcus
behavioral1/memory/2692-16-0x0000000000C60000-0x0000000000F62000-memory.dmp	orcus
behavioral1/memory/2600-34-0x0000000000400000-0x0000000000702000-memory.dmp	orcus
behavioral1/memory/2600-33-0x0000000000400000-0x0000000000702000-memory.dmp	orcus
behavioral1/memory/2600-32-0x0000000000400000-0x0000000000702000-memory.dmp	orcus
behavioral1/memory/2600-29-0x0000000000400000-0x0000000000702000-memory.dmp	orcus
behavioral1/memory/2600-27-0x0000000000400000-0x0000000000702000-memory.dmp	orcus
behavioral1/memory/2016-71-0x0000000000010000-0x0000000000312000-memory.dmp	orcus
behavioral1/memory/1464-82-0x0000000000400000-0x0000000000702000-memory.dmp	orcus
behavioral1/memory/1464-83-0x0000000000400000-0x0000000000702000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

Processes:

universal_.exeuniversal_.exeuniversal_.exeuniversal_.exe

pid	Process
2692	universal_.exe
2680	universal_.exe
1492	universal_.exe
2016	universal_.exe

Loads dropped DLL 1 IoCs

Processes:

MalwareBazaar.exe

pid	Process
2668	MalwareBazaar.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 3 IoCs

Processes:

universal_.exeuniversal_.exeuniversal_.exe

description	pid	Process	procid_target
PID 2692 set thread context of 2600	2692	universal_.exe	32
PID 2680 set thread context of 1688	2680	universal_.exe	34
PID 2016 set thread context of 1464	2016	universal_.exe	38

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:

universal_.exeregasm.exeMalwareBazaar.exeuniversal_.exeuniversal_.exeregasm.exeregasm.exeuniversal_.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	universal_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.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	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	universal_.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

MalwareBazaar.exeuniversal_.exeuniversal_.exeregasm.exeuniversal_.exeregasm.exe

pid	Process
2668	MalwareBazaar.exe
2692	universal_.exe
2692	universal_.exe
2680	universal_.exe
2680	universal_.exe
2600	regasm.exe
2600	regasm.exe
2016	universal_.exe
2016	universal_.exe
1464	regasm.exe
1464	regasm.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

MalwareBazaar.exeuniversal_.exeuniversal_.exeregasm.exeuniversal_.exeregasm.exe

description	pid	Process
Token: SeDebugPrivilege	2668	MalwareBazaar.exe
Token: SeDebugPrivilege	2692	universal_.exe
Token: SeDebugPrivilege	2680	universal_.exe
Token: SeDebugPrivilege	2600	regasm.exe
Token: SeDebugPrivilege	2016	universal_.exe
Token: SeDebugPrivilege	1464	regasm.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

MalwareBazaar.exetaskeng.exeuniversal_.exeuniversal_.exeuniversal_.exe

description	pid	Process	procid_target
PID 2668 wrote to memory of 2692	2668	MalwareBazaar.exe	30
PID 2668 wrote to memory of 2692	2668	MalwareBazaar.exe	30
PID 2668 wrote to memory of 2692	2668	MalwareBazaar.exe	30
PID 2668 wrote to memory of 2692	2668	MalwareBazaar.exe	30
PID 2572 wrote to memory of 2680	2572	taskeng.exe	33
PID 2572 wrote to memory of 2680	2572	taskeng.exe	33
PID 2572 wrote to memory of 2680	2572	taskeng.exe	33
PID 2572 wrote to memory of 2680	2572	taskeng.exe	33
PID 2692 wrote to memory of 2600	2692	universal_.exe	32
PID 2692 wrote to memory of 2600	2692	universal_.exe	32
PID 2692 wrote to memory of 2600	2692	universal_.exe	32
PID 2692 wrote to memory of 2600	2692	universal_.exe	32
PID 2692 wrote to memory of 2600	2692	universal_.exe	32
PID 2692 wrote to memory of 2600	2692	universal_.exe	32
PID 2692 wrote to memory of 2600	2692	universal_.exe	32
PID 2692 wrote to memory of 2600	2692	universal_.exe	32
PID 2692 wrote to memory of 2600	2692	universal_.exe	32
PID 2692 wrote to memory of 2600	2692	universal_.exe	32
PID 2692 wrote to memory of 2600	2692	universal_.exe	32
PID 2692 wrote to memory of 2600	2692	universal_.exe	32
PID 2680 wrote to memory of 1688	2680	universal_.exe	34
PID 2680 wrote to memory of 1688	2680	universal_.exe	34
PID 2680 wrote to memory of 1688	2680	universal_.exe	34
PID 2680 wrote to memory of 1688	2680	universal_.exe	34
PID 2680 wrote to memory of 1688	2680	universal_.exe	34
PID 2680 wrote to memory of 1688	2680	universal_.exe	34
PID 2680 wrote to memory of 1688	2680	universal_.exe	34
PID 2680 wrote to memory of 1688	2680	universal_.exe	34
PID 2680 wrote to memory of 1688	2680	universal_.exe	34
PID 2680 wrote to memory of 1688	2680	universal_.exe	34
PID 2680 wrote to memory of 1688	2680	universal_.exe	34
PID 2680 wrote to memory of 1688	2680	universal_.exe	34
PID 2572 wrote to memory of 1492	2572	taskeng.exe	36
PID 2572 wrote to memory of 1492	2572	taskeng.exe	36
PID 2572 wrote to memory of 1492	2572	taskeng.exe	36
PID 2572 wrote to memory of 1492	2572	taskeng.exe	36
PID 2572 wrote to memory of 2016	2572	taskeng.exe	37
PID 2572 wrote to memory of 2016	2572	taskeng.exe	37
PID 2572 wrote to memory of 2016	2572	taskeng.exe	37
PID 2572 wrote to memory of 2016	2572	taskeng.exe	37
PID 2016 wrote to memory of 1464	2016	universal_.exe	38
PID 2016 wrote to memory of 1464	2016	universal_.exe	38
PID 2016 wrote to memory of 1464	2016	universal_.exe	38
PID 2016 wrote to memory of 1464	2016	universal_.exe	38
PID 2016 wrote to memory of 1464	2016	universal_.exe	38
PID 2016 wrote to memory of 1464	2016	universal_.exe	38
PID 2016 wrote to memory of 1464	2016	universal_.exe	38
PID 2016 wrote to memory of 1464	2016	universal_.exe	38
PID 2016 wrote to memory of 1464	2016	universal_.exe	38
PID 2016 wrote to memory of 1464	2016	universal_.exe	38
PID 2016 wrote to memory of 1464	2016	universal_.exe	38
PID 2016 wrote to memory of 1464	2016	universal_.exe	38

C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
"C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2668
- 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:2692
- - 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
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2600

C:\Windows\system32\taskeng.exe
taskeng.exe {257CB6F6-EFBC-41DB-A02B-93F4EA25C6C7} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2572
- 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:2680
- - 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:1688
- C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.exe
  C:\Users\Admin\AppData\Roaming\securedatalifeasync\universal_.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1492
- 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:2016
- - 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
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1464

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
bbe283bf25142829bcbb7d9ee3350a7b

SHA1
a6daf931468a51bfdbb3a8cdee431b12132b2a23

SHA256
eee6efe849ade5143fecea3471da8a887037136d591a7202dd7d0e4d1e5b2d39

SHA512
971e504d79fa3662fa1089c3d63307f510bf24e239f67c6adfcfd200c0bfebf948654d9ff07956a99ee7f59e878d8f93c98856aeb2ed47f9c5ed4390d5491216

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab698E.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar3E68.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

Filesize
3.0MB

MD5
df016abe8bfe2653c1dca38309260358

SHA1
253c95a2b7f13d39b9a03ba9a52785258e439340

SHA256
328b42682ffc73069ed31d0a9360aaf75e756cc2e51a280ef9849b9e836a990d

SHA512
3fcb697b369444ff62c84dd7b562f685b035e87ed9beab9c603bb2c35d03d57db7f28d1ccc8ed2ffaf606802fc6e3a4e1535f627d9fe8e0a68514f27219762ec

Download Submit
memory/1464-101-0x0000000000FC0000-0x0000000000FC2000-memory.dmp

Filesize
8KB

Download
memory/1464-83-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/1464-82-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/1464-80-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1688-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2016-71-0x0000000000010000-0x0000000000312000-memory.dmp

Filesize
3.0MB

Download
memory/2600-32-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2600-48-0x00000000008B0000-0x00000000008C2000-memory.dmp

Filesize
72KB

Download
memory/2600-68-0x0000000000FE0000-0x0000000000FE2000-memory.dmp

Filesize
8KB

Download
memory/2600-23-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2600-67-0x0000000000F40000-0x0000000000F4E000-memory.dmp

Filesize
56KB

Download
memory/2600-34-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2600-33-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2600-50-0x0000000000B30000-0x0000000000B40000-memory.dmp

Filesize
64KB

Download
memory/2600-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-29-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2600-27-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2600-25-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2600-49-0x0000000000950000-0x0000000000968000-memory.dmp

Filesize
96KB

Download
memory/2668-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

Filesize
4KB

Download
memory/2668-18-0x0000000074D70000-0x000000007545E000-memory.dmp

Filesize
6.9MB

Download
memory/2668-5-0x0000000000350000-0x0000000000362000-memory.dmp

Filesize
72KB

Download
memory/2668-4-0x0000000000B10000-0x0000000000B6C000-memory.dmp

Filesize
368KB

Download
memory/2668-3-0x0000000074D70000-0x000000007545E000-memory.dmp

Filesize
6.9MB

Download
memory/2668-2-0x0000000000200000-0x000000000020E000-memory.dmp

Filesize
56KB

Download
memory/2668-1-0x00000000010A0000-0x00000000013A2000-memory.dmp

Filesize
3.0MB

Download
memory/2692-19-0x0000000074D70000-0x000000007545E000-memory.dmp

Filesize
6.9MB

Download
memory/2692-20-0x00000000005F0000-0x0000000000602000-memory.dmp

Filesize
72KB

Download
memory/2692-16-0x0000000000C60000-0x0000000000F62000-memory.dmp

Filesize
3.0MB

Download
memory/2692-35-0x0000000074D70000-0x000000007545E000-memory.dmp

Filesize
6.9MB

Download
memory/2692-21-0x0000000004370000-0x00000000043BE000-memory.dmp

Filesize
312KB

Download
memory/2692-17-0x0000000074D70000-0x000000007545E000-memory.dmp

Filesize
6.9MB

Download