orcus | 0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
03/06/2024, 01:05

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General

Target

0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe
Size

917KB
MD5

668520daa3022bddaa770b23dc408d55
SHA1

a80280d6cf9b887bb1badc482f29e71f2ee7c45b
SHA256

0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7
SHA512

2b5f132055ade2629e0e8eedcb8183b53662d9602f51d90da4dfed0b4a9635ef04897f3912d59ff886168ab04813c4e3967de2aeb067a5c0a1bcd622c4adfb95
SSDEEP

24576:sNL34MROxnFD3Ew8XlrrcI0AilFEvxHProoT:sWMiJIrrcI0AilFEvxHP

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

medicine-pushing.gl.at.ply.gg:50488

Mutex

da4f27f56f6c4be9b71a93002d0bd352

Attributes

autostart_method
TaskScheduler
enable_keylogger
false
install_path
%programfiles%\Edge\Application\msruntime.exe
reconnect_delay
10000
registry_keyname
Microsoft Edge
taskscheduler_taskname
Microsoft Edge Startup
watchdog_path
AppData\tasklist.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/0x0007000000016d1f-30.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2892-1-0x0000000000010000-0x00000000000FA000-memory.dmp	orcus
behavioral1/files/0x0007000000016d1f-30.dat	orcus
behavioral1/memory/2504-31-0x0000000000180000-0x000000000026A000-memory.dmp	orcus

Executes dropped EXE 6 IoCs

pid	Process
2536	WindowsInput.exe
2572	WindowsInput.exe
2504	msruntime.exe
2664	msruntime.exe
2728	tasklist.exe
1488	tasklist.exe

Loads dropped DLL 3 IoCs

pid	Process
2892	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe
2892	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe
2504	msruntime.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.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 (x86)\Edge\Application\msruntime.exe	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe
File opened for modification	C:\Program Files (x86)\Edge\Application\msruntime.exe	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe
File created	C:\Program Files (x86)\Edge\Application\msruntime.exe.config	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe

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

System Information Discovery
T1082

Enumerates processes with tasklist 1 TTPs 2 IoCs

Process Discovery

T1057

pid	Process
2728	tasklist.exe
1488	tasklist.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1488	tasklist.exe
1488	tasklist.exe
2504	msruntime.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
2504	msruntime.exe
1488	tasklist.exe
1488	tasklist.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
2504	msruntime.exe
1488	tasklist.exe
1488	tasklist.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
2504	msruntime.exe
1488	tasklist.exe
1488	tasklist.exe
2504	msruntime.exe
2504	msruntime.exe
1488	tasklist.exe
1488	tasklist.exe
2504	msruntime.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
1488	tasklist.exe
1488	tasklist.exe
2504	msruntime.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
1488	tasklist.exe
1488	tasklist.exe
2504	msruntime.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
1488	tasklist.exe
2504	msruntime.exe
1488	tasklist.exe
1488	tasklist.exe
2504	msruntime.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	tasklist.exe
Token: SeDebugPrivilege	1488	tasklist.exe
Token: SeDebugPrivilege	2504	msruntime.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2536	2892	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe	28
PID 2892 wrote to memory of 2536	2892	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe	28
PID 2892 wrote to memory of 2536	2892	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe	28
PID 2892 wrote to memory of 2536	2892	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe	28
PID 2892 wrote to memory of 2504	2892	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe	30
PID 2892 wrote to memory of 2504	2892	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe	30
PID 2892 wrote to memory of 2504	2892	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe	30
PID 2892 wrote to memory of 2504	2892	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe	30
PID 2892 wrote to memory of 2504	2892	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe	30
PID 2892 wrote to memory of 2504	2892	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe	30
PID 2892 wrote to memory of 2504	2892	0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe	30
PID 2880 wrote to memory of 2664	2880	taskeng.exe	32
PID 2880 wrote to memory of 2664	2880	taskeng.exe	32
PID 2880 wrote to memory of 2664	2880	taskeng.exe	32
PID 2880 wrote to memory of 2664	2880	taskeng.exe	32
PID 2880 wrote to memory of 2664	2880	taskeng.exe	32
PID 2880 wrote to memory of 2664	2880	taskeng.exe	32
PID 2880 wrote to memory of 2664	2880	taskeng.exe	32
PID 2504 wrote to memory of 2728	2504	msruntime.exe	33
PID 2504 wrote to memory of 2728	2504	msruntime.exe	33
PID 2504 wrote to memory of 2728	2504	msruntime.exe	33
PID 2504 wrote to memory of 2728	2504	msruntime.exe	33
PID 2728 wrote to memory of 1488	2728	tasklist.exe	34
PID 2728 wrote to memory of 1488	2728	tasklist.exe	34
PID 2728 wrote to memory of 1488	2728	tasklist.exe	34
PID 2728 wrote to memory of 1488	2728	tasklist.exe	34

C:\Users\Admin\AppData\Local\Temp\0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe
"C:\Users\Admin\AppData\Local\Temp\0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2536
- C:\Program Files (x86)\Edge\Application\msruntime.exe
  "C:\Program Files (x86)\Edge\Application\msruntime.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Users\Admin\AppData\Roaming\tasklist.exe
    "C:\Users\Admin\AppData\Roaming\tasklist.exe" /launchSelfAndExit "C:\Program Files (x86)\Edge\Application\msruntime.exe" 2504 /protectFile
    3⤵
    - Executes dropped EXE
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2728
  - - C:\Users\Admin\AppData\Roaming\tasklist.exe
      "C:\Users\Admin\AppData\Roaming\tasklist.exe" /watchProcess "C:\Program Files (x86)\Edge\Application\msruntime.exe" 2504 "/protectFile"
      4⤵
      Executes dropped EXE
      Enumerates processes with tasklist
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1488

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2572

C:\Windows\system32\taskeng.exe
taskeng.exe {A0235872-CDA2-40CB-8C4B-20911F698855} S-1-5-21-2248906074-2862704502-246302768-1000:GHPZRGFC\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Program Files (x86)\Edge\Application\msruntime.exe
  "C:\Program Files (x86)\Edge\Application\msruntime.exe"
  2⤵
  - Executes dropped EXE
  PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Process Discovery

T1057

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Edge\Application\msruntime.exe

Filesize
917KB

MD5
668520daa3022bddaa770b23dc408d55

SHA1
a80280d6cf9b887bb1badc482f29e71f2ee7c45b

SHA256
0227339e66ffc8536e29c5d941b6d97368ca067b4aa62ab334aada6f075694d7

SHA512
2b5f132055ade2629e0e8eedcb8183b53662d9602f51d90da4dfed0b4a9635ef04897f3912d59ff886168ab04813c4e3967de2aeb067a5c0a1bcd622c4adfb95

Download Submit
C:\Users\Admin\AppData\Roaming\tasklist.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
memory/2504-36-0x00000000021D0000-0x00000000021E0000-memory.dmp

Filesize
64KB

Download
memory/2504-35-0x0000000000930000-0x0000000000948000-memory.dmp

Filesize
96KB

Download
memory/2504-34-0x0000000000810000-0x000000000085E000-memory.dmp

Filesize
312KB

Download
memory/2504-33-0x00000000003C0000-0x00000000003D2000-memory.dmp

Filesize
72KB

Download
memory/2504-31-0x0000000000180000-0x000000000026A000-memory.dmp

Filesize
936KB

Download
memory/2536-16-0x000007FEF5C40000-0x000007FEF662C000-memory.dmp

Filesize
9.9MB

Download
memory/2536-19-0x000007FEF5C40000-0x000007FEF662C000-memory.dmp

Filesize
9.9MB

Download
memory/2536-15-0x0000000000070000-0x000000000007C000-memory.dmp

Filesize
48KB

Download
memory/2536-13-0x000007FEF5C43000-0x000007FEF5C44000-memory.dmp

Filesize
4KB

Download
memory/2572-21-0x0000000000B40000-0x0000000000B4C000-memory.dmp

Filesize
48KB

Download
memory/2728-47-0x0000000000290000-0x0000000000298000-memory.dmp

Filesize
32KB

Download
memory/2892-0-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/2892-32-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/2892-5-0x0000000000720000-0x0000000000732000-memory.dmp

Filesize
72KB

Download
memory/2892-3-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/2892-4-0x0000000000830000-0x000000000088C000-memory.dmp

Filesize
368KB

Download
memory/2892-2-0x00000000005B0000-0x00000000005BE000-memory.dmp

Filesize
56KB

Download
memory/2892-1-0x0000000000010000-0x00000000000FA000-memory.dmp

Filesize
936KB

Download