orcus | fd2421c6582e3d7fcf917b7e3c24309e20731f828bdb8505076dafaf4cd9ee9e

General

Target

f482f02149622205c6d5ed988aae617c_JaffaCakes118.exe
Size

905KB
MD5

f482f02149622205c6d5ed988aae617c
SHA1

8126947af7338744dc8c7f5ea9a17e9c20dd33dc
SHA256

fd2421c6582e3d7fcf917b7e3c24309e20731f828bdb8505076dafaf4cd9ee9e
SHA512

7b69d4f838c4275d0a73699ad35b7152abef34e75b13787e1a253b6a0f2c7826685e6484d8e32da4c6719e94da364a400396a0a5d751ee58a9c9ff66cadce4e5
SSDEEP

12288:X0XCGPSX0zbyD+ndg+QCImGYUl9qyzlkE2kUNCl/2Nr6BNRCpepD25r7dG1lFlWM:ApP4MROxnFMOVrrcI0AilFEvxHPeoo0

Score

10^/10

orcus aa discovery persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

aa

C2

75.23.178.95:214

Mutex

17e765930f6d487aae82933122a74df7

Attributes

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

resource	yara_rule
behavioral2/files/0x000800000002346c-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/1376-1-0x0000000000D60000-0x0000000000E48000-memory.dmp	orcus
behavioral2/files/0x000800000002346c-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	f482f02149622205c6d5ed988aae617c_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4964	Orcus.exe
4220	Orcus.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Registry. = "\"C:\\Program Files (x86)\\Orcus\\Orcus.exe\""	Orcus.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Orcus\Orcus.exe	f482f02149622205c6d5ed988aae617c_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	f482f02149622205c6d5ed988aae617c_JaffaCakes118.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	f482f02149622205c6d5ed988aae617c_JaffaCakes118.exe

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 3 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	f482f02149622205c6d5ed988aae617c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Orcus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Orcus.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4964	Orcus.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4964	Orcus.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 4964	1376	f482f02149622205c6d5ed988aae617c_JaffaCakes118.exe	82
PID 1376 wrote to memory of 4964	1376	f482f02149622205c6d5ed988aae617c_JaffaCakes118.exe	82
PID 1376 wrote to memory of 4964	1376	f482f02149622205c6d5ed988aae617c_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\f482f02149622205c6d5ed988aae617c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f482f02149622205c6d5ed988aae617c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:4964

C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Orcus\Orcus.exe

Filesize
905KB

MD5
f482f02149622205c6d5ed988aae617c

SHA1
8126947af7338744dc8c7f5ea9a17e9c20dd33dc

SHA256
fd2421c6582e3d7fcf917b7e3c24309e20731f828bdb8505076dafaf4cd9ee9e

SHA512
7b69d4f838c4275d0a73699ad35b7152abef34e75b13787e1a253b6a0f2c7826685e6484d8e32da4c6719e94da364a400396a0a5d751ee58a9c9ff66cadce4e5

Download Submit
C:\Program Files (x86)\Orcus\Orcus.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1376-23-0x00000000752F0000-0x0000000075AA0000-memory.dmp

Filesize
7.7MB

Download
memory/1376-4-0x00000000057B0000-0x000000000580C000-memory.dmp

Filesize
368KB

Download
memory/1376-5-0x0000000005EB0000-0x0000000006454000-memory.dmp

Filesize
5.6MB

Download
memory/1376-6-0x00000000059A0000-0x0000000005A32000-memory.dmp

Filesize
584KB

Download
memory/1376-7-0x00000000058E0000-0x00000000058F2000-memory.dmp

Filesize
72KB

Download
memory/1376-2-0x00000000030B0000-0x00000000030BE000-memory.dmp

Filesize
56KB

Download
memory/1376-1-0x0000000000D60000-0x0000000000E48000-memory.dmp

Filesize
928KB

Download
memory/1376-0-0x00000000752FE000-0x00000000752FF000-memory.dmp

Filesize
4KB

Download
memory/1376-3-0x00000000752F0000-0x0000000075AA0000-memory.dmp

Filesize
7.7MB

Download
memory/4220-31-0x00000000752F0000-0x0000000075AA0000-memory.dmp

Filesize
7.7MB

Download
memory/4220-35-0x00000000752F0000-0x0000000075AA0000-memory.dmp

Filesize
7.7MB

Download
memory/4220-32-0x00000000752F0000-0x0000000075AA0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-24-0x00000000752F0000-0x0000000075AA0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-28-0x0000000005980000-0x0000000005998000-memory.dmp

Filesize
96KB

Download
memory/4964-30-0x0000000005B20000-0x0000000005B30000-memory.dmp

Filesize
64KB

Download
memory/4964-27-0x00000000057A0000-0x00000000057EE000-memory.dmp

Filesize
312KB

Download
memory/4964-26-0x0000000004CD0000-0x0000000004CE2000-memory.dmp

Filesize
72KB

Download
memory/4964-33-0x0000000005E40000-0x0000000005E4A000-memory.dmp

Filesize
40KB

Download
memory/4964-25-0x00000000752F0000-0x0000000075AA0000-memory.dmp

Filesize
7.7MB

Download
memory/4964-36-0x00000000752F0000-0x0000000075AA0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads