orcus | eb905e93f90d65b25a5e441caf23fbf4d78c762ae71dcb732d9486870983e73c

Analysis

max time kernel
144s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-02-2025 15:53

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General

Target

SlammysMonkeModLoader.exe
Size

3.3MB
MD5

a6463b7f24d1114f142bc7eeef859e95
SHA1

7dea038f0bfb76be98d5a4c32958f3e066fe6a22
SHA256

eb905e93f90d65b25a5e441caf23fbf4d78c762ae71dcb732d9486870983e73c
SHA512

9a51355a6359e287e3a8383f3aca26397ac8494c24981bcf347e64e39ba2be59b030f255ee470cec7496a74b097cd24dc417aa68593b080e6426146e79431995
SSDEEP

98304:VwdKqu6ak9WXQ14pnx427k5utO0tabX2xuy:mdKquZk9WXQ2nRw5KuGxu

Score

10^/10

orcus monkemodmanager discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Monkemodmanager

31.44.184.52:29846

Mutex

sudo_cpktc6baomgolt2t3oa6l3h94z9nzjps

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\requesttemp\downloadsapi.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/0x000f00000001866e-15.dat	family_orcus

Orcurs Rat Executable 11 IoCs

resource	yara_rule
behavioral1/files/0x000f00000001866e-15.dat	orcus
behavioral1/memory/2844-16-0x0000000000230000-0x000000000052E000-memory.dmp	orcus
behavioral1/memory/2616-31-0x0000000000CF0000-0x0000000000FEE000-memory.dmp	orcus
behavioral1/memory/2072-37-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2072-44-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2072-42-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2072-39-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2072-43-0x0000000000400000-0x00000000006FE000-memory.dmp	orcus
behavioral1/memory/2988-46-0x0000000000EB0000-0x00000000011AE000-memory.dmp	orcus
behavioral1/memory/1100-71-0x0000000000F20000-0x000000000121E000-memory.dmp	orcus
behavioral1/memory/1284-73-0x0000000001240000-0x000000000153E000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2740	MonkeModManager.exe
2844	SlammysMonkeLoader.exe
2616	downloadsapi.exe
2988	downloadsapi.exe
1100	downloadsapi.exe
1284	downloadsapi.exe

Loads dropped DLL 1 IoCs

pid	Process
2844	SlammysMonkeLoader.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2616 set thread context of 2072	2616	downloadsapi.exe	34

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	downloadsapi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	downloadsapi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	downloadsapi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SlammysMonkeLoader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	downloadsapi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msbuild.exe

Modifies registry class 20 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	MonkeModManager.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	MonkeModManager.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	MonkeModManager.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	MonkeModManager.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 9e0000001a00eebbfe23000010007db10d7bd29c934a973346cc89022e7c00002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020002a0000000000efbe7e47b3fbe4c93b4ba2bad3f5d3cd46f98207ba827a5b6945b5d7ec83085f08cc20002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020000000	MonkeModManager.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	MonkeModManager.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	MonkeModManager.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	MonkeModManager.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	MonkeModManager.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	MonkeModManager.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	MonkeModManager.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings	MonkeModManager.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	MonkeModManager.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_FolderType = "{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}"	MonkeModManager.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewID = "{82BA0782-5B7A-4569-B5D7-EC83085F08CC}"	MonkeModManager.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	MonkeModManager.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	MonkeModManager.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewVersion = "0"	MonkeModManager.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	MonkeModManager.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f4225481e03947bc34db131e946b44c8dd50000	MonkeModManager.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2844	SlammysMonkeLoader.exe
2616	downloadsapi.exe
2616	downloadsapi.exe
2072	msbuild.exe
2072	msbuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2740	MonkeModManager.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	SlammysMonkeLoader.exe
Token: SeDebugPrivilege	2616	downloadsapi.exe
Token: SeDebugPrivilege	2072	msbuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2740	MonkeModManager.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2740	2648	SlammysMonkeModLoader.exe	30
PID 2648 wrote to memory of 2740	2648	SlammysMonkeModLoader.exe	30
PID 2648 wrote to memory of 2740	2648	SlammysMonkeModLoader.exe	30
PID 2648 wrote to memory of 2844	2648	SlammysMonkeModLoader.exe	31
PID 2648 wrote to memory of 2844	2648	SlammysMonkeModLoader.exe	31
PID 2648 wrote to memory of 2844	2648	SlammysMonkeModLoader.exe	31
PID 2648 wrote to memory of 2844	2648	SlammysMonkeModLoader.exe	31
PID 2844 wrote to memory of 2616	2844	SlammysMonkeLoader.exe	32
PID 2844 wrote to memory of 2616	2844	SlammysMonkeLoader.exe	32
PID 2844 wrote to memory of 2616	2844	SlammysMonkeLoader.exe	32
PID 2844 wrote to memory of 2616	2844	SlammysMonkeLoader.exe	32
PID 2616 wrote to memory of 2072	2616	downloadsapi.exe	34
PID 2616 wrote to memory of 2072	2616	downloadsapi.exe	34
PID 2616 wrote to memory of 2072	2616	downloadsapi.exe	34
PID 2616 wrote to memory of 2072	2616	downloadsapi.exe	34
PID 2616 wrote to memory of 2072	2616	downloadsapi.exe	34
PID 2616 wrote to memory of 2072	2616	downloadsapi.exe	34
PID 2616 wrote to memory of 2072	2616	downloadsapi.exe	34
PID 2616 wrote to memory of 2072	2616	downloadsapi.exe	34
PID 2616 wrote to memory of 2072	2616	downloadsapi.exe	34
PID 1128 wrote to memory of 2988	1128	taskeng.exe	35
PID 1128 wrote to memory of 2988	1128	taskeng.exe	35
PID 1128 wrote to memory of 2988	1128	taskeng.exe	35
PID 1128 wrote to memory of 2988	1128	taskeng.exe	35
PID 1128 wrote to memory of 1100	1128	taskeng.exe	37
PID 1128 wrote to memory of 1100	1128	taskeng.exe	37
PID 1128 wrote to memory of 1100	1128	taskeng.exe	37
PID 1128 wrote to memory of 1100	1128	taskeng.exe	37
PID 1128 wrote to memory of 1284	1128	taskeng.exe	38
PID 1128 wrote to memory of 1284	1128	taskeng.exe	38
PID 1128 wrote to memory of 1284	1128	taskeng.exe	38
PID 1128 wrote to memory of 1284	1128	taskeng.exe	38

C:\Users\Admin\AppData\Local\Temp\SlammysMonkeModLoader.exe
"C:\Users\Admin\AppData\Local\Temp\SlammysMonkeModLoader.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Roaming\MonkeModManager.exe
  "C:\Users\Admin\AppData\Roaming\MonkeModManager.exe"
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2740
- C:\Users\Admin\AppData\Roaming\SlammysMonkeLoader.exe
  "C:\Users\Admin\AppData\Roaming\SlammysMonkeLoader.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2844
- - C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
    "C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe"
    3⤵
    - 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:2616
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2072

C:\Windows\system32\taskeng.exe
taskeng.exe {D5DB16CE-041A-4788-8A05-4083400CD1A6} S-1-5-21-1846800975-3917212583-2893086201-1000:ZQABOPWE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
  C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2988
- C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
  C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1100
- C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
  C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1284

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\Cab6BB0.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Roaming\MonkeModManager.exe

Filesize
217KB

MD5
1d62aa3d19462f3d5575fc54159911b4

SHA1
b37eab86c0075245fcc517a280f0705f6dffb852

SHA256
6acaae0fb470790102a338e23dfe2263f31e529288e4efe51b34bca30371cb36

SHA512
78a9501d7920920577a586396e5d9e2278a7c926448c9a98d7844db9032dbd887df90d2f389fe1754bf5a2071a19dfd5d40315624923e903ef9ef6cbb214b1df

Download Submit
C:\Users\Admin\AppData\Roaming\SlammysMonkeLoader.exe

Filesize
3.0MB

MD5
6f69820bc23d0e66339375eb128d53b8

SHA1
76fe60d0f916f70a355b9bb73189162adef3c8fe

SHA256
2cb762773823aeb9fa80904996155d63a7f2f60f588a1b973715ac7b3ea9d437

SHA512
0a132498c9ac850826cb37ff7aaf1fbfe43c49b1230f78c2de820cf4964b6c18215b8bc124ae91fef272c54294a095bb6bed7270477fa2933724a6873dc0d1a9

Download Submit
C:\Users\Admin\AppData\Roaming\requesttemp\downloadsapi.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1100-71-0x0000000000F20000-0x000000000121E000-memory.dmp

Filesize
3.0MB

Download
memory/1284-73-0x0000000001240000-0x000000000153E000-memory.dmp

Filesize
3.0MB

Download
memory/2072-35-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2072-67-0x0000000001060000-0x0000000001062000-memory.dmp

Filesize
8KB

Download
memory/2072-39-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2072-43-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2072-48-0x0000000000B40000-0x0000000000B50000-memory.dmp

Filesize
64KB

Download
memory/2072-47-0x0000000000B00000-0x0000000000B18000-memory.dmp

Filesize
96KB

Download
memory/2072-66-0x0000000000F00000-0x0000000000F0E000-memory.dmp

Filesize
56KB

Download
memory/2072-33-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2072-37-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2072-44-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2072-42-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/2072-41-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2616-32-0x0000000002640000-0x000000000268E000-memory.dmp

Filesize
312KB

Download
memory/2616-31-0x0000000000CF0000-0x0000000000FEE000-memory.dmp

Filesize
3.0MB

Download
memory/2648-0-0x000007FEF6233000-0x000007FEF6234000-memory.dmp

Filesize
4KB

Download
memory/2648-1-0x00000000009E0000-0x0000000000D28000-memory.dmp

Filesize
3.3MB

Download
memory/2740-68-0x000007FEF6230000-0x000007FEF6C1C000-memory.dmp

Filesize
9.9MB

Download
memory/2740-17-0x000007FEF6230000-0x000007FEF6C1C000-memory.dmp

Filesize
9.9MB

Download
memory/2740-9-0x0000000000B20000-0x0000000000B5C000-memory.dmp

Filesize
240KB

Download
memory/2740-65-0x000000001FEF0000-0x000000001FF00000-memory.dmp

Filesize
64KB

Download
memory/2844-18-0x0000000000530000-0x000000000053E000-memory.dmp

Filesize
56KB

Download
memory/2844-20-0x0000000000700000-0x0000000000712000-memory.dmp

Filesize
72KB

Download
memory/2844-19-0x0000000004EC0000-0x0000000004F1C000-memory.dmp

Filesize
368KB

Download
memory/2844-16-0x0000000000230000-0x000000000052E000-memory.dmp

Filesize
3.0MB

Download
memory/2988-46-0x0000000000EB0000-0x00000000011AE000-memory.dmp

Filesize
3.0MB

Download