orcus | acccfc2189e8bde1e7566f15bb9b3b0e562570eabb893cac966c297b65c19364

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
09-05-2024 23:44

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General

Target

2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe
Size

1.7MB
MD5

2c49c82f684c4d5de26627294556ed5e
SHA1

3df81bf27d88964c7f56d13b6a11e6f2873d065b
SHA256

acccfc2189e8bde1e7566f15bb9b3b0e562570eabb893cac966c297b65c19364
SHA512

950cc7c39b25ea874c9412445459442ac4a9d63fd0578c2a9cc9fd81b74d40d7439f5c304cbb4ee5b91c009f690159dd7947a7a5fcc7aa910bd3b2920cf07419
SSDEEP

49152:Ur9gNGKXYe/AhPAyTJwbfxlycZ1A5wR/LKbPD1+:UBMd8ub7ycZ1b+b

Score

10^/10

orcus fudserv persistence rat spyware stealer upx

Malware Config

Extracted

Family

orcus

Botnet

FudServ

vam0vsem0pizda.ddns.net:1704

Mutex

aa3ea6f245a74b669a769243c6a90de7

Attributes

autostart_method
Disable
enable_keylogger
true
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
AppData\OrcusWatchdog.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2876-4-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/2876-12-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus
behavioral1/memory/2876-11-0x0000000000400000-0x00000000004EA000-memory.dmp	orcus

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	DedStrong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	DedStrong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	DedStrong.exe

Executes dropped EXE 3 IoCs

pid	Process
2996	DedStrong.exe
1684	DedStrong.exe
344	DedStrong.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2972-0-0x00000000008B0000-0x0000000000B96000-memory.dmp	upx
behavioral1/memory/2972-13-0x00000000008B0000-0x0000000000B96000-memory.dmp	upx
behavioral1/files/0x0036000000016d45-23.dat	upx
behavioral1/memory/2996-24-0x0000000000070000-0x0000000000356000-memory.dmp	upx
behavioral1/memory/2996-37-0x0000000000070000-0x0000000000356000-memory.dmp	upx
behavioral1/memory/1684-40-0x0000000000F30000-0x0000000001216000-memory.dmp	upx
behavioral1/memory/1684-51-0x0000000000F30000-0x0000000001216000-memory.dmp	upx
behavioral1/memory/344-53-0x0000000000F30000-0x0000000001216000-memory.dmp	upx
behavioral1/memory/344-64-0x0000000000F30000-0x0000000001216000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\AutoIt3 = "C:\\Users\\Admin\\AppData\\Roaming\\AutoIt3\\DedStrong.exe"	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\AutoIt3 = "C:\\Users\\Admin\\AppData\\Roaming\\AutoIt3\\DedStrong.exe"	DedStrong.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\AutoIt3 = "C:\\Users\\Admin\\AppData\\Roaming\\AutoIt3\\DedStrong.exe"	DedStrong.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\AutoIt3 = "C:\\Users\\Admin\\AppData\\Roaming\\AutoIt3\\DedStrong.exe"	DedStrong.exe

AutoIT Executable 5 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2972-13-0x00000000008B0000-0x0000000000B96000-memory.dmp	autoit_exe
behavioral1/memory/2996-37-0x0000000000070000-0x0000000000356000-memory.dmp	autoit_exe
behavioral1/memory/1684-40-0x0000000000F30000-0x0000000001216000-memory.dmp	autoit_exe
behavioral1/memory/1684-51-0x0000000000F30000-0x0000000001216000-memory.dmp	autoit_exe
behavioral1/memory/344-64-0x0000000000F30000-0x0000000001216000-memory.dmp	autoit_exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\winmgmts:\root\cimv2	DedStrong.exe
File opened for modification	C:\Windows\SysWOW64\winmgmts:\root\cimv2	DedStrong.exe
File opened for modification	C:\Windows\SysWOW64\winmgmts:\root\cimv2	DedStrong.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2972 set thread context of 2876	2972	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe	31
PID 2996 set thread context of 2640	2996	DedStrong.exe	36
PID 1684 set thread context of 1964	1684	DedStrong.exe	42
PID 344 set thread context of 2076	344	DedStrong.exe	46

Creates scheduled task(s) 1 TTPs 4 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2596	schtasks.exe
860	schtasks.exe
2260	schtasks.exe
2320	schtasks.exe

Enumerates system info in registry 2 TTPs 12 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	DedStrong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	DedStrong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	DedStrong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	DedStrong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	DedStrong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	DedStrong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	DedStrong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	DedStrong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	DedStrong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\winmgmts:\root\cimv2	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 4 IoCs

pid	Process
2972	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe
2996	DedStrong.exe
1684	DedStrong.exe
344	DedStrong.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2876	RegSvcs.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2596	2972	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2596	2972	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2596	2972	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2596	2972	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe	29
PID 2972 wrote to memory of 2876	2972	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2876	2972	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2876	2972	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2876	2972	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2876	2972	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2876	2972	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2876	2972	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2876	2972	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2876	2972	2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe	31
PID 2500 wrote to memory of 2996	2500	taskeng.exe	33
PID 2500 wrote to memory of 2996	2500	taskeng.exe	33
PID 2500 wrote to memory of 2996	2500	taskeng.exe	33
PID 2500 wrote to memory of 2996	2500	taskeng.exe	33
PID 2996 wrote to memory of 860	2996	DedStrong.exe	34
PID 2996 wrote to memory of 860	2996	DedStrong.exe	34
PID 2996 wrote to memory of 860	2996	DedStrong.exe	34
PID 2996 wrote to memory of 860	2996	DedStrong.exe	34
PID 2996 wrote to memory of 2640	2996	DedStrong.exe	36
PID 2996 wrote to memory of 2640	2996	DedStrong.exe	36
PID 2996 wrote to memory of 2640	2996	DedStrong.exe	36
PID 2996 wrote to memory of 2640	2996	DedStrong.exe	36
PID 2996 wrote to memory of 2640	2996	DedStrong.exe	36
PID 2996 wrote to memory of 2640	2996	DedStrong.exe	36
PID 2996 wrote to memory of 2640	2996	DedStrong.exe	36
PID 2996 wrote to memory of 2640	2996	DedStrong.exe	36
PID 2996 wrote to memory of 2640	2996	DedStrong.exe	36
PID 2500 wrote to memory of 1684	2500	taskeng.exe	39
PID 2500 wrote to memory of 1684	2500	taskeng.exe	39
PID 2500 wrote to memory of 1684	2500	taskeng.exe	39
PID 2500 wrote to memory of 1684	2500	taskeng.exe	39
PID 1684 wrote to memory of 2260	1684	DedStrong.exe	40
PID 1684 wrote to memory of 2260	1684	DedStrong.exe	40
PID 1684 wrote to memory of 2260	1684	DedStrong.exe	40
PID 1684 wrote to memory of 2260	1684	DedStrong.exe	40
PID 1684 wrote to memory of 1964	1684	DedStrong.exe	42
PID 1684 wrote to memory of 1964	1684	DedStrong.exe	42
PID 1684 wrote to memory of 1964	1684	DedStrong.exe	42
PID 1684 wrote to memory of 1964	1684	DedStrong.exe	42
PID 1684 wrote to memory of 1964	1684	DedStrong.exe	42
PID 1684 wrote to memory of 1964	1684	DedStrong.exe	42
PID 1684 wrote to memory of 1964	1684	DedStrong.exe	42
PID 1684 wrote to memory of 1964	1684	DedStrong.exe	42
PID 1684 wrote to memory of 1964	1684	DedStrong.exe	42
PID 2500 wrote to memory of 344	2500	taskeng.exe	43
PID 2500 wrote to memory of 344	2500	taskeng.exe	43
PID 2500 wrote to memory of 344	2500	taskeng.exe	43
PID 2500 wrote to memory of 344	2500	taskeng.exe	43
PID 344 wrote to memory of 2320	344	DedStrong.exe	44
PID 344 wrote to memory of 2320	344	DedStrong.exe	44
PID 344 wrote to memory of 2320	344	DedStrong.exe	44
PID 344 wrote to memory of 2320	344	DedStrong.exe	44
PID 344 wrote to memory of 2076	344	DedStrong.exe	46
PID 344 wrote to memory of 2076	344	DedStrong.exe	46
PID 344 wrote to memory of 2076	344	DedStrong.exe	46
PID 344 wrote to memory of 2076	344	DedStrong.exe	46
PID 344 wrote to memory of 2076	344	DedStrong.exe	46
PID 344 wrote to memory of 2076	344	DedStrong.exe	46
PID 344 wrote to memory of 2076	344	DedStrong.exe	46
PID 344 wrote to memory of 2076	344	DedStrong.exe	46
PID 344 wrote to memory of 2076	344	DedStrong.exe	46

C:\Users\Admin\AppData\Local\Temp\2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2c49c82f684c4d5de26627294556ed5e_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\SysWOW64\schtasks.exe
  C:\Windows\SysWOW64\schtasks.exe /create /tn ikllnhvpvt /tr C:\Users\Admin\AppData\Roaming\AutoIt3\DedStrong.exe /sc minute /mo 1
  2⤵
  - Creates scheduled task(s)
  PID:2596
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2876

C:\Windows\system32\taskeng.exe
taskeng.exe {B42EA1E9-6D29-4629-9455-56C2A4026D14} S-1-5-21-268080393-3149932598-1824759070-1000:UHRQKJCP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Roaming\AutoIt3\DedStrong.exe
  C:\Users\Admin\AppData\Roaming\AutoIt3\DedStrong.exe
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - Enumerates system info in registry
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /tn ikllnhvpvt /tr C:\Users\Admin\AppData\Roaming\AutoIt3\DedStrong.exe /sc minute /mo 1
    3⤵
    - Creates scheduled task(s)
    PID:860
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2640
- C:\Users\Admin\AppData\Roaming\AutoIt3\DedStrong.exe
  C:\Users\Admin\AppData\Roaming\AutoIt3\DedStrong.exe
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - Enumerates system info in registry
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:1684
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /tn ikllnhvpvt /tr C:\Users\Admin\AppData\Roaming\AutoIt3\DedStrong.exe /sc minute /mo 1
    3⤵
    - Creates scheduled task(s)
    PID:2260
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1964
- C:\Users\Admin\AppData\Roaming\AutoIt3\DedStrong.exe
  C:\Users\Admin\AppData\Roaming\AutoIt3\DedStrong.exe
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - Enumerates system info in registry
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:344
- - C:\Windows\SysWOW64\schtasks.exe
    C:\Windows\SysWOW64\schtasks.exe /create /tn ikllnhvpvt /tr C:\Users\Admin\AppData\Roaming\AutoIt3\DedStrong.exe /sc minute /mo 1
    3⤵
    - Creates scheduled task(s)
    PID:2320
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\AutoIt3\DedStrong.exe

Filesize
1.7MB

MD5
2c49c82f684c4d5de26627294556ed5e

SHA1
3df81bf27d88964c7f56d13b6a11e6f2873d065b

SHA256
acccfc2189e8bde1e7566f15bb9b3b0e562570eabb893cac966c297b65c19364

SHA512
950cc7c39b25ea874c9412445459442ac4a9d63fd0578c2a9cc9fd81b74d40d7439f5c304cbb4ee5b91c009f690159dd7947a7a5fcc7aa910bd3b2920cf07419

Download Submit
memory/344-64-0x0000000000F30000-0x0000000001216000-memory.dmp

Filesize
2.9MB

Download
memory/344-53-0x0000000000F30000-0x0000000001216000-memory.dmp

Filesize
2.9MB

Download
memory/1684-51-0x0000000000F30000-0x0000000001216000-memory.dmp

Filesize
2.9MB

Download
memory/1684-40-0x0000000000F30000-0x0000000001216000-memory.dmp

Filesize
2.9MB

Download
memory/2876-18-0x00000000005A0000-0x00000000005B2000-memory.dmp

Filesize
72KB

Download
memory/2876-20-0x00000000006D0000-0x00000000006E8000-memory.dmp

Filesize
96KB

Download
memory/2876-11-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2876-14-0x000000007462E000-0x000000007462F000-memory.dmp

Filesize
4KB

Download
memory/2876-15-0x00000000003C0000-0x00000000003CE000-memory.dmp

Filesize
56KB

Download
memory/2876-16-0x0000000074620000-0x0000000074D0E000-memory.dmp

Filesize
6.9MB

Download
memory/2876-17-0x0000000000CB0000-0x0000000000D0C000-memory.dmp

Filesize
368KB

Download
memory/2876-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2876-19-0x00000000005C0000-0x00000000005C8000-memory.dmp

Filesize
32KB

Download
memory/2876-12-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2876-21-0x00000000009E0000-0x00000000009F0000-memory.dmp

Filesize
64KB

Download
memory/2876-4-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2876-3-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/2876-25-0x000000007462E000-0x000000007462F000-memory.dmp

Filesize
4KB

Download
memory/2876-38-0x0000000074620000-0x0000000074D0E000-memory.dmp

Filesize
6.9MB

Download
memory/2972-13-0x00000000008B0000-0x0000000000B96000-memory.dmp

Filesize
2.9MB

Download
memory/2972-0-0x00000000008B0000-0x0000000000B96000-memory.dmp

Filesize
2.9MB

Download
memory/2972-2-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/2996-37-0x0000000000070000-0x0000000000356000-memory.dmp

Filesize
2.9MB

Download
memory/2996-24-0x0000000000070000-0x0000000000356000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads