orcus | 79e31aa291777d936bdbd198ebf53f3b7d230972fcf95f92908872aca6bf888c

General

Target

eee2282277e64485627c058793aa65e0_JaffaCakes118.exe
Size

1009KB
MD5

eee2282277e64485627c058793aa65e0
SHA1

ed5ae121bf074decf9b7a95214e67874733a5cf2
SHA256

79e31aa291777d936bdbd198ebf53f3b7d230972fcf95f92908872aca6bf888c
SHA512

b5ea27c4b0e14687065c94b72fa3c177fe161a92c15aad7db48a466ea34745fbfd15d7305f022ef322f41169b81df621253ace5d0720d11eb8ccc688a251767b
SSDEEP

24576:74bcdQ5WxQtrU7yHt08EAmAKywxqmJiJW3M1T+:7fdC9WmLF/mcwM1

Score

10^/10

orcus defense_evasion discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

18.221.17.220:1604

Mutex

1141a9276f324b1f8a2d4f8f2fec0ac5

Attributes

autostart_method
Registry
enable_keylogger
false
install_path
%temp%\drivers\ac2ftsdgj8m5ms5.exe
reconnect_delay
10000
registry_keyname
steam
taskscheduler_taskname
steam
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/0x000700000002345a-14.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral2/files/0x000700000002345a-14.dat	orcus
behavioral2/memory/3048-23-0x0000000000A60000-0x0000000000B48000-memory.dmp	orcus
behavioral2/memory/1188-27-0x0000000000610000-0x00000000006F8000-memory.dmp	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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3048	tmp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 844 set thread context of 1188	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	91

Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

defense_evasion

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\MsDrvOp.exe:Zone.Identifier	cmd.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 7 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	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\MsDrvOp.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe
844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 2428	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	81
PID 844 wrote to memory of 2428	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	81
PID 844 wrote to memory of 2428	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	81
PID 844 wrote to memory of 3948	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	83
PID 844 wrote to memory of 3948	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	83
PID 844 wrote to memory of 3948	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	83
PID 3948 wrote to memory of 2100	3948	cmd.exe	85
PID 3948 wrote to memory of 2100	3948	cmd.exe	85
PID 3948 wrote to memory of 2100	3948	cmd.exe	85
PID 844 wrote to memory of 4244	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	86
PID 844 wrote to memory of 4244	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	86
PID 844 wrote to memory of 4244	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	86
PID 844 wrote to memory of 1292	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	88
PID 844 wrote to memory of 1292	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	88
PID 844 wrote to memory of 1292	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	88
PID 844 wrote to memory of 3048	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	90
PID 844 wrote to memory of 3048	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	90
PID 844 wrote to memory of 1188	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	91
PID 844 wrote to memory of 1188	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	91
PID 844 wrote to memory of 1188	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	91
PID 844 wrote to memory of 1188	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	91
PID 844 wrote to memory of 1188	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	91
PID 844 wrote to memory of 1188	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	91
PID 844 wrote to memory of 1188	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	91
PID 844 wrote to memory of 1188	844	eee2282277e64485627c058793aa65e0_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\eee2282277e64485627c058793aa65e0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eee2282277e64485627c058793aa65e0_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:844
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/eee2282277e64485627c058793aa65e0_JaffaCakes118.exe" "%appdata%\Microsoft\MsDrvOp.exe" /Y
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2428
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%appdata%\Microsoft\MsDrvOp.exe.lnk" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3948
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\MsDrvOp.exe.lnk" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2100
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %appdata%\Microsoft\MsDrvOp.exe:Zone.Identifier
  2⤵
  - Subvert Trust Controls: Mark-of-the-Web Bypass
  - System Location Discovery: System Language Discovery
  - NTFS ADS
  PID:4244
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ren "%appdata%\Microsoft\MsDrvOp.exe.jpg" MsDrvOp.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1292
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Executes dropped EXE
  PID:3048
- C:\Users\Admin\AppData\Local\Temp\eee2282277e64485627c058793aa65e0_JaffaCakes118.exe
  "C:/Users/Admin/AppData/Local/Temp/eee2282277e64485627c058793aa65e0_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1

T1553

SIP and Trust Provider Hijacking

1

T1553.003

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\eee2282277e64485627c058793aa65e0_JaffaCakes118.exe.log

Filesize
1KB

MD5
0672db2ef13237d5cb85075ff4915942

SHA1
ad8b4d3eb5e40791c47d48b22e273486f25f663f

SHA256
0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

SHA512
84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

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

Filesize
902KB

MD5
4f569bfdf48c4193795be0c012a66d9b

SHA1
9df29ae3f4c0666303204ae3d2b36b21ff483bb9

SHA256
8c46765193808e7655ea8d2a578da25b8a064dbd5eb1a42911bd26c4d82df333

SHA512
cb1c2c6539951d66d66448c64763d4efd9127bf9a593a93179ac7ff86a8100ec2380ae947cc87f22afef78489648ba8f7a8e1664b255f182efcda138c05b602f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\MsDrvOp.exe

Filesize
1009KB

MD5
eee2282277e64485627c058793aa65e0

SHA1
ed5ae121bf074decf9b7a95214e67874733a5cf2

SHA256
79e31aa291777d936bdbd198ebf53f3b7d230972fcf95f92908872aca6bf888c

SHA512
b5ea27c4b0e14687065c94b72fa3c177fe161a92c15aad7db48a466ea34745fbfd15d7305f022ef322f41169b81df621253ace5d0720d11eb8ccc688a251767b

Download Submit
memory/844-3-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/844-4-0x00000000051A0000-0x0000000005286000-memory.dmp

Filesize
920KB

Download
memory/844-35-0x0000000074D1E000-0x0000000074D1F000-memory.dmp

Filesize
4KB

Download
memory/844-2-0x0000000004EE0000-0x0000000004F7C000-memory.dmp

Filesize
624KB

Download
memory/844-38-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/844-1-0x0000000000430000-0x0000000000532000-memory.dmp

Filesize
1.0MB

Download
memory/844-36-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/844-0-0x0000000074D1E000-0x0000000074D1F000-memory.dmp

Filesize
4KB

Download
memory/1188-27-0x0000000000610000-0x00000000006F8000-memory.dmp

Filesize
928KB

Download
memory/1188-28-0x00000000052F0000-0x0000000005894000-memory.dmp

Filesize
5.6MB

Download
memory/1188-29-0x0000000004D40000-0x0000000004DD2000-memory.dmp

Filesize
584KB

Download
memory/3048-25-0x000000001B670000-0x000000001B6CC000-memory.dmp

Filesize
368KB

Download
memory/3048-31-0x0000000002AF0000-0x0000000002B02000-memory.dmp

Filesize
72KB

Download
memory/3048-32-0x000000001BAD0000-0x000000001BAE8000-memory.dmp

Filesize
96KB

Download
memory/3048-33-0x0000000002AE0000-0x0000000002AF0000-memory.dmp

Filesize
64KB

Download
memory/3048-30-0x00007FFAD8AF0000-0x00007FFAD95B1000-memory.dmp

Filesize
10.8MB

Download
memory/3048-26-0x0000000002A90000-0x0000000002A9E000-memory.dmp

Filesize
56KB

Download
memory/3048-23-0x0000000000A60000-0x0000000000B48000-memory.dmp

Filesize
928KB

Download
memory/3048-22-0x00007FFAD8AF3000-0x00007FFAD8AF5000-memory.dmp

Filesize
8KB

Download
memory/3048-39-0x00007FFAD8AF0000-0x00007FFAD95B1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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