orcus | 29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb

Analysis

max time kernel
106s
max time network
167s
platform
windows10_x64
resource
win10-en
submitted
06/09/2021, 06:40

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe
Size 942KB
Sample210906-he9vpsdfhk
SHA256 29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb
MD5 ecabd9d17bc89b99f740730eb2386e23
SHA1 275dda1da9cb843f9ace1eac4d457891e0e02c61
SHA512 e4bcd65a47f5c74fd75110d79ca370a5dcc5d02f26f40d0c1d1b37b2777c7a06f4f2f4ac92ab3d2082d94633e6c2e11e841ef38f705afebbf0c9ffa601b66403
MD5 SHA1 SHA512

Score

10^/10

orcus rat spyware stealer

Malware Config

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcurs Rat Executable 1 IoCs

resource	yara_rule
behavioral2/memory/1432-291-0x00000000004E4D4E-mapping.dmp	orcus

Executes dropped EXE 4 IoCs

pid	Process
3940	RegAsm.exe
1432	RegAsm.exe
2576	WindowsInput.exe
916	WindowsInput.exe

Deletes itself 1 IoCs

pid	Process
3096	powershell.exe

Drops file in System32 directory 3 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3112 set thread context of 1432	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	102

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
184	powershell.exe
184	powershell.exe
184	powershell.exe
2596	powershell.exe
2596	powershell.exe
2596	powershell.exe
2212	powershell.exe
2212	powershell.exe
2212	powershell.exe
1952	powershell.exe
1952	powershell.exe
1952	powershell.exe
1132	powershell.exe
1132	powershell.exe
1132	powershell.exe
1984	powershell.exe
1984	powershell.exe
1984	powershell.exe
3948	powershell.exe
3948	powershell.exe
3948	powershell.exe
3792	powershell.exe
3792	powershell.exe
3792	powershell.exe
1600	powershell.exe
1600	powershell.exe
1600	powershell.exe
3688	powershell.exe
3688	powershell.exe
3688	powershell.exe
3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe
3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe
3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe
3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe
3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe
3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe
3096	powershell.exe
3096	powershell.exe
3096	powershell.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeDebugPrivilege	184	powershell.exe
Token: SeDebugPrivilege	2596	powershell.exe
Token: SeDebugPrivilege	2212	powershell.exe
Token: SeDebugPrivilege	1952	powershell.exe
Token: SeDebugPrivilege	1132	powershell.exe
Token: SeDebugPrivilege	1984	powershell.exe
Token: SeDebugPrivilege	3948	powershell.exe
Token: SeDebugPrivilege	3792	powershell.exe
Token: SeDebugPrivilege	1600	powershell.exe
Token: SeDebugPrivilege	3688	powershell.exe
Token: SeDebugPrivilege	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe
Token: SeDebugPrivilege	3096	powershell.exe
Token: SeDebugPrivilege	1432	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1432	RegAsm.exe

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 3112 wrote to memory of 184	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	76
PID 3112 wrote to memory of 184	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	76
PID 3112 wrote to memory of 184	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	76
PID 3112 wrote to memory of 2596	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	78
PID 3112 wrote to memory of 2596	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	78
PID 3112 wrote to memory of 2596	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	78
PID 3112 wrote to memory of 2212	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	80
PID 3112 wrote to memory of 2212	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	80
PID 3112 wrote to memory of 2212	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	80
PID 3112 wrote to memory of 1952	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	82
PID 3112 wrote to memory of 1952	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	82
PID 3112 wrote to memory of 1952	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	82
PID 3112 wrote to memory of 1132	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	86
PID 3112 wrote to memory of 1132	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	86
PID 3112 wrote to memory of 1132	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	86
PID 3112 wrote to memory of 1984	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	88
PID 3112 wrote to memory of 1984	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	88
PID 3112 wrote to memory of 1984	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	88
PID 3112 wrote to memory of 3948	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	91
PID 3112 wrote to memory of 3948	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	91
PID 3112 wrote to memory of 3948	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	91
PID 3112 wrote to memory of 3792	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	93
PID 3112 wrote to memory of 3792	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	93
PID 3112 wrote to memory of 3792	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	93
PID 3112 wrote to memory of 1600	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	95
PID 3112 wrote to memory of 1600	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	95
PID 3112 wrote to memory of 1600	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	95
PID 3112 wrote to memory of 3688	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	97
PID 3112 wrote to memory of 3688	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	97
PID 3112 wrote to memory of 3688	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	97
PID 3112 wrote to memory of 3096	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	99
PID 3112 wrote to memory of 3096	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	99
PID 3112 wrote to memory of 3096	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	99
PID 3112 wrote to memory of 3940	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	101
PID 3112 wrote to memory of 3940	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	101
PID 3112 wrote to memory of 3940	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	101
PID 3112 wrote to memory of 1432	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	102
PID 3112 wrote to memory of 1432	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	102
PID 3112 wrote to memory of 1432	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	102
PID 3112 wrote to memory of 1432	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	102
PID 3112 wrote to memory of 1432	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	102
PID 3112 wrote to memory of 1432	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	102
PID 3112 wrote to memory of 1432	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	102
PID 3112 wrote to memory of 1432	3112	29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe	102
PID 1432 wrote to memory of 2576	1432	RegAsm.exe	103
PID 1432 wrote to memory of 2576	1432	RegAsm.exe	103

C:\Users\Admin\AppData\Local\Temp\29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe
"C:\Users\Admin\AppData\Local\Temp\29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3112
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection -ComputerName google.com
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:184
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection -ComputerName google.com
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2596
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection -ComputerName google.com
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2212
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection -ComputerName google.com
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1952
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection -ComputerName google.com
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1132
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection -ComputerName google.com
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1984
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection -ComputerName google.com
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3948
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection -ComputerName google.com
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3792
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection -ComputerName google.com
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1600
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection -ComputerName google.com
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3688
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5; Remove-Item -Path "C:\Users\Admin\AppData\Local\Temp\29193442b685f9f90be45ef20f4f1f4db139c36e46d161beeb6508687bec28cb.exe" -Force
  2⤵
  - Deletes itself
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3096
- C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  2⤵
  - Executes dropped EXE
  PID:3940
- C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1432
- - C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe" --install
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    PID:2576

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:916

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/184-128-0x0000000007CD0000-0x0000000007CD1000-memory.dmp

Download

memory/184-132-0x0000000007D60000-0x0000000007D61000-memory.dmp

Download

memory/184-127-0x00000000075A0000-0x00000000075A1000-memory.dmp

Download

memory/184-130-0x0000000004AC2000-0x0000000004AC3000-memory.dmp

Download

memory/184-129-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

Download

memory/184-131-0x0000000007FF0000-0x0000000007FF1000-memory.dmp

Download

memory/184-126-0x0000000007430000-0x0000000007431000-memory.dmp

Download

memory/184-133-0x0000000008340000-0x0000000008341000-memory.dmp

Download

memory/184-134-0x00000000085F0000-0x00000000085F1000-memory.dmp

Download

memory/184-125-0x0000000007630000-0x0000000007631000-memory.dmp

Download

memory/184-124-0x0000000004B10000-0x0000000004B11000-memory.dmp

Download

memory/916-337-0x000000001A860000-0x000000001A862000-memory.dmp

Download

memory/1132-195-0x0000000006AC2000-0x0000000006AC3000-memory.dmp

Download

memory/1132-194-0x0000000006AC0000-0x0000000006AC1000-memory.dmp

Download

memory/1432-313-0x00000000051B0000-0x00000000051B1000-memory.dmp

Download

memory/1600-256-0x0000000006A02000-0x0000000006A03000-memory.dmp

Download

memory/1600-254-0x0000000006A00000-0x0000000006A01000-memory.dmp

Download

memory/1952-179-0x00000000043F2000-0x00000000043F3000-memory.dmp

Download

memory/1952-178-0x00000000043F0000-0x00000000043F1000-memory.dmp

Download

memory/1984-211-0x0000000006422000-0x0000000006423000-memory.dmp

Download

memory/1984-210-0x0000000006420000-0x0000000006421000-memory.dmp

Download

memory/2212-163-0x0000000004F32000-0x0000000004F33000-memory.dmp

Download

memory/2212-161-0x0000000004F30000-0x0000000004F31000-memory.dmp

Download

memory/2576-326-0x000000001AFD0000-0x000000001AFD2000-memory.dmp

Download

memory/2596-146-0x0000000007120000-0x0000000007121000-memory.dmp

Download

memory/2596-147-0x0000000007122000-0x0000000007123000-memory.dmp

Download

memory/3096-351-0x0000000002B23000-0x0000000002B24000-memory.dmp

Download

memory/3096-311-0x0000000002B20000-0x0000000002B21000-memory.dmp

Download

memory/3096-312-0x0000000002B22000-0x0000000002B23000-memory.dmp

Download

memory/3112-120-0x0000000004D60000-0x000000000525E000-memory.dmp

Download

memory/3112-119-0x0000000004D10000-0x0000000004D11000-memory.dmp

Download

memory/3112-115-0x00000000003E0000-0x00000000003E1000-memory.dmp

Download

memory/3112-118-0x0000000004D60000-0x0000000004D61000-memory.dmp

Download

memory/3112-117-0x0000000005260000-0x0000000005261000-memory.dmp

Download

memory/3688-272-0x0000000006F50000-0x0000000006F51000-memory.dmp

Download

memory/3688-273-0x0000000006F52000-0x0000000006F53000-memory.dmp

Download

memory/3792-238-0x0000000003262000-0x0000000003263000-memory.dmp

Download

memory/3792-237-0x0000000003260000-0x0000000003261000-memory.dmp

Download

memory/3948-228-0x00000000042A2000-0x00000000042A3000-memory.dmp

Download

memory/3948-227-0x00000000042A0000-0x00000000042A1000-memory.dmp

Download