orcus | c91a6632c59372e0af003bd914f91ca513a20861ac18a4a58e719e8307846935

General

Target

4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe
Size

921KB
MD5

4d72427546c5c7cd35e256401e80a030
SHA1

d71c9ef0a220b89d1724584054ba0ed303b149a3
SHA256

c91a6632c59372e0af003bd914f91ca513a20861ac18a4a58e719e8307846935
SHA512

61f3d0f4772d20685dc41ab809c2f8f84fec4a0e64dbb0589a3663495472045841f99005d863b90622c92352225d6ecd98a055594404979b87a8cdad19af3c78
SSDEEP

24576:wRo4MROxnFl64vrZlI0AilFEvxHiAHGWM:wRLMiDrZlI0AilFEvxHi

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

bambuvn.webhop.info:1352

Mutex

ae9225f4fc36499e85213e441bb22bf6

Attributes

autostart_method
TaskScheduler
enable_keylogger
true
install_path
%programfiles%\Internet Explorer\svchost.exe
reconnect_delay
10000
registry_keyname
Updater Chrome
taskscheduler_taskname
Updater Chrome
watchdog_path
AppData\Taskmanagers.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/0x0009000000014b31-42.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral1/memory/2488-43-0x0000000001390000-0x000000000147C000-memory.dmp	orcus
behavioral1/files/0x0009000000014b31-42.dat	orcus

Executes dropped EXE 3 IoCs

pid	Process
2752	WindowsInput.exe
2628	WindowsInput.exe
2488	svchost.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	4d72427546c5c7cd35e256401e80a030_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\Internet Explorer\svchost.exe	4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe
File opened for modification	C:\Program Files\Internet Explorer\svchost.exe	4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe
File created	C:\Program Files\Internet Explorer\svchost.exe.config	4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2488	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2488	svchost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 1956	1936	4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe	28
PID 1936 wrote to memory of 1956	1936	4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe	28
PID 1936 wrote to memory of 1956	1936	4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe	28
PID 1956 wrote to memory of 1780	1956	csc.exe	30
PID 1956 wrote to memory of 1780	1956	csc.exe	30
PID 1956 wrote to memory of 1780	1956	csc.exe	30
PID 1936 wrote to memory of 2752	1936	4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe	31
PID 1936 wrote to memory of 2752	1936	4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe	31
PID 1936 wrote to memory of 2752	1936	4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe	31
PID 1936 wrote to memory of 2488	1936	4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe	33
PID 1936 wrote to memory of 2488	1936	4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe	33
PID 1936 wrote to memory of 2488	1936	4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe	33

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\4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4d72427546c5c7cd35e256401e80a030_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1936
- 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\hasmg9ro.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1956
- - 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\RESA8D.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCA8C.tmp"
    3⤵
    PID:1780
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2752
- C:\Program Files\Internet Explorer\svchost.exe
  "C:\Program Files\Internet Explorer\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2488

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Internet Explorer\svchost.exe

Filesize
921KB

MD5
4d72427546c5c7cd35e256401e80a030

SHA1
d71c9ef0a220b89d1724584054ba0ed303b149a3

SHA256
c91a6632c59372e0af003bd914f91ca513a20861ac18a4a58e719e8307846935

SHA512
61f3d0f4772d20685dc41ab809c2f8f84fec4a0e64dbb0589a3663495472045841f99005d863b90622c92352225d6ecd98a055594404979b87a8cdad19af3c78

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESA8D.tmp

Filesize
1KB

MD5
ee63ca9c35cc0f2577d4d790d4445779

SHA1
8d9db6c81815ea8fe1931a63d025ed717c876d17

SHA256
44f10ebcbad50a5ba6cafa15975d4b9fbf786b4bdcbcfc51249f0451620dc74a

SHA512
3a96e028df5182d3aaccc55223ce8f3f881cfb7e0464fc8323bf8bc5b1c0c4719eb2b7ef6fb985c3a5057e03eb7a63e43d2f705f89b22cfa8bf57a1b995a1db4

Download Submit
C:\Users\Admin\AppData\Local\Temp\hasmg9ro.dll

Filesize
76KB

MD5
f428d5c0e82571cc47f9e7364f812305

SHA1
8b92992ec9512731fc9deca232b8d35dd874d54d

SHA256
d7a09862aa011fc9429ddfaf642572757dd4ae274c5b3b2a04093a25a21fd6a1

SHA512
c26a59438f76e110d7a77510d08fcbffef38bcd9233339b5506e29500c0e5ee707f3b261d91557577a66c169cdd8231f995230f3047faa0c29b6696af311d8d7

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\CSCA8C.tmp

Filesize
676B

MD5
56ab2a4fefaa9d2780be9815c4c523c2

SHA1
91f564b51e9caaf10f07a609370643861d9d8ade

SHA256
c54f81d8aa53cc3d567874a3c3082c40fc8a335c881a746451ac202a050cdce6

SHA512
4570a7fc3b345f1d4872f5bef23ae49620f6c579f0914674a15d404c199ccb7eddabd79da79ab9c226b37d587e14ceed28d5990d71d05e28be33bde04cf8ed4f

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\hasmg9ro.0.cs

Filesize
208KB

MD5
2b14ae8b54d216abf4d228493ceca44a

SHA1
d134351498e4273e9d6391153e35416bc743adef

SHA256
4e1cc3da1f7bf92773aae6cffa6d61bfc3e25aead3ad947f6215f93a053f346c

SHA512
5761b605add10ae3ef80f3b8706c8241b4e8abe4ac3ce36b7be8a97d08b08da5a72fedd5e976b3c9e1c463613a943ebb5d323e6a075ef6c7c3b1abdc0d53ac05

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\hasmg9ro.cmdline

Filesize
349B

MD5
86ee2b3488acbb3b20f4583a98ce06a9

SHA1
7eadd0513a57cdb5f703f07f930c74e6c5fe2520

SHA256
d9ae339fa122735eb976ab67f3c143db6ff5c79f6df5670558fa7726b6e87ff0

SHA512
b269dd7779263af1acd50c66fcdd3295fcc41341bff3fd7a410637c5cce3d06a4fbc8a4a145604a058cf2dc7083cc9acb809104771cc99c3b6959cb941b9547d

Download Submit
memory/1936-20-0x0000000000440000-0x0000000000452000-memory.dmp

Filesize
72KB

Download
memory/1936-44-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/1936-17-0x0000000002120000-0x0000000002136000-memory.dmp

Filesize
88KB

Download
memory/1936-4-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/1936-0-0x000007FEF53BE000-0x000007FEF53BF000-memory.dmp

Filesize
4KB

Download
memory/1936-21-0x0000000000970000-0x0000000000978000-memory.dmp

Filesize
32KB

Download
memory/1936-3-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/1936-1-0x0000000002360000-0x00000000023BC000-memory.dmp

Filesize
368KB

Download
memory/1936-2-0x0000000000290000-0x000000000029E000-memory.dmp

Filesize
56KB

Download
memory/1956-48-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/1956-19-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/2488-45-0x00000000006A0000-0x00000000006EE000-memory.dmp

Filesize
312KB

Download
memory/2488-43-0x0000000001390000-0x000000000147C000-memory.dmp

Filesize
944KB

Download
memory/2488-46-0x0000000000B60000-0x0000000000B78000-memory.dmp

Filesize
96KB

Download
memory/2488-47-0x0000000000C90000-0x0000000000CA0000-memory.dmp

Filesize
64KB

Download
memory/2628-33-0x0000000000950000-0x000000000095C000-memory.dmp

Filesize
48KB

Download
memory/2752-29-0x0000000000230000-0x000000000023C000-memory.dmp

Filesize
48KB

Download

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