orcus | a58d0d19ebeb7f3ff0ad74eb9606a71a7d3960099ba5de5b295f79dcd4216a2d

Analysis

max time kernel
150s
max time network
131s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/05/2024, 03:43

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General

Target

28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe
Size

917KB
MD5

28260a8f637d0d6dfdad0461e24eacac
SHA1

14e42641eb6cd50a37fea63bf7c11b69f30eb3a6
SHA256

a58d0d19ebeb7f3ff0ad74eb9606a71a7d3960099ba5de5b295f79dcd4216a2d
SHA512

3a29c8a837f225c64534bd786ae6d935f857fb94b5a9f44ae8e56a3f2d3e6d6175ca0d60f4bc7c5cce441bbb4e49a1ef0ae1334e5ede8e836da7e618a3b2246d
SSDEEP

24576:oBT4MROxnFD3XEsYxrZlI0AilFEvxHi0/:oB0MiJirZlI0AilFEvxHi

Score

10^/10

orcus persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

0.tcp.ngrok.io:10836

Mutex

f3b2c54fefc748608450f2a783561b9b

Attributes

autostart_method
Registry
enable_keylogger
false
install_path
%programfiles%\sysfiles\svchost.exe
reconnect_delay
10000
registry_keyname
OWO
taskscheduler_taskname
Orcus
watchdog_path
AppData\wd.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
behavioral1/files/0x0008000000015136-40.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral1/memory/2464-41-0x0000000000800000-0x00000000008EA000-memory.dmp	orcus
behavioral1/files/0x0008000000015136-40.dat	orcus

Executes dropped EXE 6 IoCs

pid	Process
2712	WindowsInput.exe
2740	WindowsInput.exe
2464	svchost.exe
2996	svchost.exe
2936	wd.exe
2352	wd.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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\OWO = "\"C:\\Program Files\\sysfiles\\svchost.exe\""	svchost.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
11	0.tcp.ngrok.io
4	0.tcp.ngrok.io

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\sysfiles\svchost.exe	28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe
File opened for modification	C:\Program Files\sysfiles\svchost.exe	28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe
File created	C:\Program Files\sysfiles\svchost.exe.config	28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2352	wd.exe
2352	wd.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2352	wd.exe
2464	svchost.exe
2464	svchost.exe
2352	wd.exe
2352	wd.exe
2464	svchost.exe
2464	svchost.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2464	svchost.exe
2464	svchost.exe
2352	wd.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2464	svchost.exe
2464	svchost.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2352	wd.exe
2464	svchost.exe
2464	svchost.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2464	svchost.exe
2464	svchost.exe
2352	wd.exe
2464	svchost.exe
2352	wd.exe
2352	wd.exe
2464	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2936	wd.exe
Token: SeDebugPrivilege	2464	svchost.exe
Token: SeDebugPrivilege	2352	wd.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2464	svchost.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2464	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 912 wrote to memory of 2308	912	28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe	28
PID 912 wrote to memory of 2308	912	28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe	28
PID 912 wrote to memory of 2308	912	28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe	28
PID 2308 wrote to memory of 2116	2308	csc.exe	30
PID 2308 wrote to memory of 2116	2308	csc.exe	30
PID 2308 wrote to memory of 2116	2308	csc.exe	30
PID 912 wrote to memory of 2712	912	28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe	31
PID 912 wrote to memory of 2712	912	28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe	31
PID 912 wrote to memory of 2712	912	28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe	31
PID 912 wrote to memory of 2464	912	28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe	33
PID 912 wrote to memory of 2464	912	28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe	33
PID 912 wrote to memory of 2464	912	28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe	33
PID 2464 wrote to memory of 2936	2464	svchost.exe	35
PID 2464 wrote to memory of 2936	2464	svchost.exe	35
PID 2464 wrote to memory of 2936	2464	svchost.exe	35
PID 2464 wrote to memory of 2936	2464	svchost.exe	35
PID 556 wrote to memory of 2996	556	taskeng.exe	36
PID 556 wrote to memory of 2996	556	taskeng.exe	36
PID 556 wrote to memory of 2996	556	taskeng.exe	36
PID 2936 wrote to memory of 2352	2936	wd.exe	37
PID 2936 wrote to memory of 2352	2936	wd.exe	37
PID 2936 wrote to memory of 2352	2936	wd.exe	37
PID 2936 wrote to memory of 2352	2936	wd.exe	37

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\28260a8f637d0d6dfdad0461e24eacac_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:912
- C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\edjt1h-y.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES147B.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC147A.tmp"
    3⤵
    PID:2116
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2712
- C:\Program Files\sysfiles\svchost.exe
  "C:\Program Files\sysfiles\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2464
- - C:\Users\Admin\AppData\Roaming\wd.exe
    "C:\Users\Admin\AppData\Roaming\wd.exe" /launchSelfAndExit "C:\Program Files\sysfiles\svchost.exe" 2464
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2936
  - - C:\Users\Admin\AppData\Roaming\wd.exe
      "C:\Users\Admin\AppData\Roaming\wd.exe" /watchProcess "C:\Program Files\sysfiles\svchost.exe" 2464
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2352

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2740

C:\Windows\system32\taskeng.exe
taskeng.exe {2A1B3741-57A0-497D-9058-1948543930B0} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:556
- C:\Program Files\sysfiles\svchost.exe
  "C:\Program Files\sysfiles\svchost.exe"
  2⤵
  - Executes dropped EXE
  PID:2996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\sysfiles\svchost.exe

Filesize
917KB

MD5
28260a8f637d0d6dfdad0461e24eacac

SHA1
14e42641eb6cd50a37fea63bf7c11b69f30eb3a6

SHA256
a58d0d19ebeb7f3ff0ad74eb9606a71a7d3960099ba5de5b295f79dcd4216a2d

SHA512
3a29c8a837f225c64534bd786ae6d935f857fb94b5a9f44ae8e56a3f2d3e6d6175ca0d60f4bc7c5cce441bbb4e49a1ef0ae1334e5ede8e836da7e618a3b2246d

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES147B.tmp

Filesize
1KB

MD5
ba49c59bee6614eea0669b52b7f4fe06

SHA1
8c7c25d989782854277a42f47406b0ef6f107ea0

SHA256
005ce981357f9fc99f3ccd0af52ec654558e7f02ee1376533f6ab89e403a8e22

SHA512
d46394a8abae13755b2cd8f89f9869c48d71e4a312fceb045c2a50b9ea43e7bf84ac49809fd427b3d5a160a80c9270f0a57a25f29dee92fcd6d389e98d5a9e91

Download Submit
C:\Users\Admin\AppData\Local\Temp\edjt1h-y.dll

Filesize
76KB

MD5
9dc5b6294543a5dae558536fc314e178

SHA1
c07936d0779ffb359607329b7e602bb96b5c2cf2

SHA256
bda6c5eb0c2a5fcb060b4b1c27a15ee054700c4d15bd4d7c5f6640520457b219

SHA512
eadbb2ec54e6927d3d1a8c6979ebbe44b599fef0d900d9c4b4c700fcaab25e99cd0376c0cf0c23db4daee4bcea9f80305315a52cd066db6cf2b1ae2bfc389805

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSC147A.tmp

Filesize
676B

MD5
0e722fcc3447d91bde191485603fb762

SHA1
dc7d1fbd05c74c99002431d874d453aa39ba546d

SHA256
801292bdbadd8a7dd9b70020b7db18f09dab07e68a23855983611d5cb8e9b4f3

SHA512
8265ca8747e78617bc7a6c75b983e5b4d0a9f14de0b73cf53128ff24ddd647d2acf0303f2b943f2dc09c73fc905f813f31f23c351848b2b384e68f72c0c94ab6

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\edjt1h-y.0.cs

Filesize
208KB

MD5
c555d9796194c1d9a1310a05a2264e08

SHA1
82641fc4938680519c3b2e925e05e1001cbd71d7

SHA256
ccbb8fd27ab2f27fbbd871793886ff52ff1fbd9117c98b8d190c1a96b67e498a

SHA512
0b85ca22878998c7697c589739905b218f9b264a32c8f99a9f9dd73d0687a5de46cc7e851697ee16424baf94d301e411648aa2d061ac149a6d2e06b085e07090

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\edjt1h-y.cmdline

Filesize
349B

MD5
ab80ee41a1d7553579bf4adb25c7c89a

SHA1
eee019e68dd86e34c7526692d93e93e9858c6f78

SHA256
76afa9ee6715ace824ab3bf5646ecbdab3a53ec70948fbea49571f5285f0bb31

SHA512
7ff1786adda3204f786270260fd7c5a3e3bcb0c8ccd467327c6b243ddd9f3c282170837005a0e314a2233bb3099a792b250374bc4836ea2c2bb333ccc27d49c0

Download Submit
memory/912-20-0x0000000000520000-0x0000000000532000-memory.dmp

Filesize
72KB

Download
memory/912-2-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/912-1-0x0000000002180000-0x00000000021DC000-memory.dmp

Filesize
368KB

Download
memory/912-17-0x000000001AFA0000-0x000000001AFB6000-memory.dmp

Filesize
88KB

Download
memory/912-0-0x000007FEF5B6E000-0x000007FEF5B6F000-memory.dmp

Filesize
4KB

Download
memory/912-42-0x000007FEF58B0000-0x000007FEF624D000-memory.dmp

Filesize
9.6MB

Download
memory/912-4-0x000007FEF58B0000-0x000007FEF624D000-memory.dmp

Filesize
9.6MB

Download
memory/912-3-0x000007FEF58B0000-0x000007FEF624D000-memory.dmp

Filesize
9.6MB

Download
memory/2308-57-0x000007FEF58B0000-0x000007FEF624D000-memory.dmp

Filesize
9.6MB

Download
memory/2308-19-0x000007FEF58B0000-0x000007FEF624D000-memory.dmp

Filesize
9.6MB

Download
memory/2464-43-0x00000000007B0000-0x00000000007FE000-memory.dmp

Filesize
312KB

Download
memory/2464-44-0x00000000020C0000-0x00000000020D8000-memory.dmp

Filesize
96KB

Download
memory/2464-45-0x0000000002100000-0x0000000002110000-memory.dmp

Filesize
64KB

Download
memory/2464-41-0x0000000000800000-0x00000000008EA000-memory.dmp

Filesize
936KB

Download
memory/2712-28-0x00000000002E0000-0x00000000002EC000-memory.dmp

Filesize
48KB

Download
memory/2740-32-0x00000000008F0000-0x00000000008FC000-memory.dmp

Filesize
48KB

Download
memory/2936-55-0x0000000001020000-0x0000000001028000-memory.dmp

Filesize
32KB

Download