orcus | 2648746dbb07bce96d73347926e8de6f5952a4c7c8761ab50e427d45d08469b7

Analysis

max time kernel
127s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-11-2024 01:06

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General

Target

2648746dbb07bce96d73347926e8de6f5952a4c7c8761ab50e427d45d08469b7.exe
Size

3.0MB
MD5

8f6578404d3cdeea274cf928f310140b
SHA1

dfbed844d80cf6b350e684f8973c575cad9a6f52
SHA256

2648746dbb07bce96d73347926e8de6f5952a4c7c8761ab50e427d45d08469b7
SHA512

3a017c7273223a8de91e9c275be2c4404104da4dec81c5ec9cb23654a068c4673d77013e6e9eba2da880123e7be2364c06aa93cc0d971bcad4869156ec4ee71a
SSDEEP

49152:JGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qb:JLHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus соляра discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

соляра

31.44.184.52:12708

Mutex

sudo_d3ro54ihdasr8aiqbiejsmsotvp8yp8a

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\tomultibase\localdownloads.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/0x0007000000016d33-10.dat	family_orcus

Orcurs Rat Executable 8 IoCs

resource	yara_rule
behavioral1/memory/2932-1-0x00000000012B0000-0x00000000015B6000-memory.dmp	orcus
behavioral1/files/0x0007000000016d33-10.dat	orcus
behavioral1/memory/2804-18-0x00000000013C0000-0x00000000016C6000-memory.dmp	orcus
behavioral1/memory/1956-34-0x0000000000400000-0x0000000000706000-memory.dmp	orcus
behavioral1/memory/1956-31-0x0000000000400000-0x0000000000706000-memory.dmp	orcus
behavioral1/memory/1956-30-0x0000000000400000-0x0000000000706000-memory.dmp	orcus
behavioral1/memory/1956-27-0x0000000000400000-0x0000000000706000-memory.dmp	orcus
behavioral1/memory/1956-25-0x0000000000400000-0x0000000000706000-memory.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
2804	localdownloads.exe
2336	localdownloads.exe
2816	localdownloads.exe
1568	localdownloads.exe

Loads dropped DLL 1 IoCs

pid	Process
2932	2648746dbb07bce96d73347926e8de6f5952a4c7c8761ab50e427d45d08469b7.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2804 set thread context of 1956	2804	localdownloads.exe	33

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	2648746dbb07bce96d73347926e8de6f5952a4c7c8761ab50e427d45d08469b7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	localdownloads.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	installutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	localdownloads.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	localdownloads.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	localdownloads.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2932	2648746dbb07bce96d73347926e8de6f5952a4c7c8761ab50e427d45d08469b7.exe
2804	localdownloads.exe
2804	localdownloads.exe
2804	localdownloads.exe
2804	localdownloads.exe
1956	installutil.exe
1956	installutil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	2648746dbb07bce96d73347926e8de6f5952a4c7c8761ab50e427d45d08469b7.exe
Token: SeDebugPrivilege	2804	localdownloads.exe
Token: SeDebugPrivilege	1956	installutil.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2804	2932	2648746dbb07bce96d73347926e8de6f5952a4c7c8761ab50e427d45d08469b7.exe	30
PID 2932 wrote to memory of 2804	2932	2648746dbb07bce96d73347926e8de6f5952a4c7c8761ab50e427d45d08469b7.exe	30
PID 2932 wrote to memory of 2804	2932	2648746dbb07bce96d73347926e8de6f5952a4c7c8761ab50e427d45d08469b7.exe	30
PID 2932 wrote to memory of 2804	2932	2648746dbb07bce96d73347926e8de6f5952a4c7c8761ab50e427d45d08469b7.exe	30
PID 2804 wrote to memory of 2852	2804	localdownloads.exe	32
PID 2804 wrote to memory of 2852	2804	localdownloads.exe	32
PID 2804 wrote to memory of 2852	2804	localdownloads.exe	32
PID 2804 wrote to memory of 2852	2804	localdownloads.exe	32
PID 2804 wrote to memory of 2852	2804	localdownloads.exe	32
PID 2804 wrote to memory of 2852	2804	localdownloads.exe	32
PID 2804 wrote to memory of 2852	2804	localdownloads.exe	32
PID 2804 wrote to memory of 1956	2804	localdownloads.exe	33
PID 2804 wrote to memory of 1956	2804	localdownloads.exe	33
PID 2804 wrote to memory of 1956	2804	localdownloads.exe	33
PID 2804 wrote to memory of 1956	2804	localdownloads.exe	33
PID 2804 wrote to memory of 1956	2804	localdownloads.exe	33
PID 2804 wrote to memory of 1956	2804	localdownloads.exe	33
PID 2804 wrote to memory of 1956	2804	localdownloads.exe	33
PID 2804 wrote to memory of 1956	2804	localdownloads.exe	33
PID 2804 wrote to memory of 1956	2804	localdownloads.exe	33
PID 2804 wrote to memory of 1956	2804	localdownloads.exe	33
PID 2804 wrote to memory of 1956	2804	localdownloads.exe	33
PID 2804 wrote to memory of 1956	2804	localdownloads.exe	33
PID 2968 wrote to memory of 2336	2968	taskeng.exe	34
PID 2968 wrote to memory of 2336	2968	taskeng.exe	34
PID 2968 wrote to memory of 2336	2968	taskeng.exe	34
PID 2968 wrote to memory of 2336	2968	taskeng.exe	34
PID 2968 wrote to memory of 2816	2968	taskeng.exe	37
PID 2968 wrote to memory of 2816	2968	taskeng.exe	37
PID 2968 wrote to memory of 2816	2968	taskeng.exe	37
PID 2968 wrote to memory of 2816	2968	taskeng.exe	37
PID 2968 wrote to memory of 1568	2968	taskeng.exe	38
PID 2968 wrote to memory of 1568	2968	taskeng.exe	38
PID 2968 wrote to memory of 1568	2968	taskeng.exe	38
PID 2968 wrote to memory of 1568	2968	taskeng.exe	38

C:\Users\Admin\AppData\Local\Temp\2648746dbb07bce96d73347926e8de6f5952a4c7c8761ab50e427d45d08469b7.exe
"C:\Users\Admin\AppData\Local\Temp\2648746dbb07bce96d73347926e8de6f5952a4c7c8761ab50e427d45d08469b7.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Roaming\tomultibase\localdownloads.exe
  "C:\Users\Admin\AppData\Roaming\tomultibase\localdownloads.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:2804
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
    3⤵
    PID:2852
- - 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:1956

C:\Windows\system32\taskeng.exe
taskeng.exe {E3170345-2724-453C-B3BD-1487498599FC} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Users\Admin\AppData\Roaming\tomultibase\localdownloads.exe
  C:\Users\Admin\AppData\Roaming\tomultibase\localdownloads.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2336
- C:\Users\Admin\AppData\Roaming\tomultibase\localdownloads.exe
  C:\Users\Admin\AppData\Roaming\tomultibase\localdownloads.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Users\Admin\AppData\Roaming\tomultibase\localdownloads.exe
  C:\Users\Admin\AppData\Roaming\tomultibase\localdownloads.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1568

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab88A2.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Roaming\tomultibase\localdownloads.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Users\Admin\AppData\Roaming\tomultibase\localdownloads.exe

Filesize
3.0MB

MD5
8f6578404d3cdeea274cf928f310140b

SHA1
dfbed844d80cf6b350e684f8973c575cad9a6f52

SHA256
2648746dbb07bce96d73347926e8de6f5952a4c7c8761ab50e427d45d08469b7

SHA512
3a017c7273223a8de91e9c275be2c4404104da4dec81c5ec9cb23654a068c4673d77013e6e9eba2da880123e7be2364c06aa93cc0d971bcad4869156ec4ee71a

Download Submit
memory/1956-30-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/1956-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1956-55-0x0000000004F80000-0x0000000004F82000-memory.dmp

Filesize
8KB

Download
memory/1956-54-0x00000000049E0000-0x00000000049EE000-memory.dmp

Filesize
56KB

Download
memory/1956-37-0x0000000002380000-0x0000000002390000-memory.dmp

Filesize
64KB

Download
memory/1956-36-0x0000000002200000-0x0000000002218000-memory.dmp

Filesize
96KB

Download
memory/1956-25-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/1956-27-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/1956-31-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/1956-34-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/1956-21-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/1956-23-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2804-33-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-20-0x0000000000DC0000-0x0000000000E0E000-memory.dmp

Filesize
312KB

Download
memory/2804-18-0x00000000013C0000-0x00000000016C6000-memory.dmp

Filesize
3.0MB

Download
memory/2804-19-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2804-17-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-0-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/2932-4-0x00000000007E0000-0x000000000083C000-memory.dmp

Filesize
368KB

Download
memory/2932-2-0x0000000000580000-0x000000000058E000-memory.dmp

Filesize
56KB

Download
memory/2932-16-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-1-0x00000000012B0000-0x00000000015B6000-memory.dmp

Filesize
3.0MB

Download
memory/2932-3-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-5-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download