orcus | 6d0083394a549c135820010343353dcfa2929aeaa83f72a50ec60a7263f4ec90

Analysis

max time kernel
150s
max time network
150s
platform
windows10_x64
resource
win10v20210408
submitted
07-05-2021 08:55

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General

Target

polas.exe
Size

7.4MB
MD5

d15d3eb03c466f207dd401047da792bc
SHA1

cca4dd46f38bfc164a1840907a608fb657d471b0
SHA256

6d0083394a549c135820010343353dcfa2929aeaa83f72a50ec60a7263f4ec90
SHA512

432ff858e048358a323ed9dbbb533a2aad3648b521ffbc0e0d4cf5c02b5c65bd5b6e9f350736d65375a389efd36b4130fc1795a50f7d368a48d87afc50e7fdb4

Score

10^/10

orcus pandastealer redline @abigf infostealer rat spyware stealer vmprotect

Malware Config

Extracted

Family

redline

Botnet

@aBigF

ydmau.xyz:80

Signatures

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

Orcus Main Payload 5 IoCs

resource	yara_rule
behavioral2/files/0x000200000001ab53-121.dat	family_orcus
behavioral2/files/0x000200000001ab53-120.dat	family_orcus
behavioral2/files/0x000200000001ab64-171.dat	family_orcus
behavioral2/files/0x000200000001ab64-170.dat	family_orcus
behavioral2/files/0x000200000001ab64-181.dat	family_orcus

Panda Stealer Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2124-140-0x0000000000850000-0x00000000011F0000-memory.dmp	family_pandastealer

PandaStealer
Panda Stealer is a fork of CollectorProject Stealer written in C++.
stealer pandastealer
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 2 IoCs

resource	yara_rule
behavioral2/memory/4000-142-0x0000000000400000-0x000000000041C000-memory.dmp	family_redline
behavioral2/memory/4000-143-0x00000000004163C2-mapping.dmp	family_redline

Orcurs Rat Executable 5 IoCs

resource	yara_rule
behavioral2/files/0x000200000001ab53-121.dat	orcus
behavioral2/files/0x000200000001ab53-120.dat	orcus
behavioral2/files/0x000200000001ab64-171.dat	orcus
behavioral2/files/0x000200000001ab64-170.dat	orcus
behavioral2/files/0x000200000001ab64-181.dat	orcus

Executes dropped EXE 11 IoCs

pid	Process
2952	WintWare.exe
2388	1.v1mp.exe
1840	build.vmp.sfx.exe
652	Hack.exe
2124	build.vmp.exe
4056	WindowsInput.exe
2544	WindowsInput.exe
3948	javaUpdate.exe
856	javaUpdate.exe
2252	System32.exe
3932	System32.exe

VMProtect packed file 9 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/files/0x000200000001ab53-121.dat	vmprotect
behavioral2/files/0x000200000001ab53-120.dat	vmprotect
behavioral2/files/0x000200000001ab56-135.dat	vmprotect
behavioral2/files/0x000200000001ab56-134.dat	vmprotect
behavioral2/memory/2124-140-0x0000000000850000-0x00000000011F0000-memory.dmp	vmprotect
behavioral2/files/0x000200000001ab64-171.dat	vmprotect
behavioral2/files/0x000200000001ab64-170.dat	vmprotect
behavioral2/memory/3948-173-0x00000000004D0000-0x00000000004D1000-memory.dmp	vmprotect
behavioral2/files/0x000200000001ab64-181.dat	vmprotect

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	1.v1mp.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	1.v1mp.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	1.v1mp.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	1.v1mp.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 652 set thread context of 4000	652	Hack.exe	81

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	1.v1mp.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	1.v1mp.exe
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	WerFault.exe
File opened for modification	C:\Windows\assembly	1.v1mp.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1728	4000	WerFault.exe	81

NSIS installer 4 IoCs

installer

resource	yara_rule
behavioral2/files/0x000300000001ab4e-118.dat	nsis_installer_1
behavioral2/files/0x000300000001ab4e-118.dat	nsis_installer_2
behavioral2/files/0x000300000001ab4e-117.dat	nsis_installer_1
behavioral2/files/0x000300000001ab4e-117.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2124	build.vmp.exe
2124	build.vmp.exe
1728	WerFault.exe
1728	WerFault.exe
1728	WerFault.exe
1728	WerFault.exe
1728	WerFault.exe
1728	WerFault.exe
1728	WerFault.exe
1728	WerFault.exe
1728	WerFault.exe
1728	WerFault.exe
1728	WerFault.exe
1728	WerFault.exe
1728	WerFault.exe
1728	WerFault.exe
2124	build.vmp.exe
2124	build.vmp.exe
3948	javaUpdate.exe
3948	javaUpdate.exe
3948	javaUpdate.exe
3948	javaUpdate.exe
3932	System32.exe
3932	System32.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe
3932	System32.exe
3948	javaUpdate.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	652	Hack.exe
Token: SeRestorePrivilege	1728	WerFault.exe
Token: SeBackupPrivilege	1728	WerFault.exe
Token: SeBackupPrivilege	1728	WerFault.exe
Token: SeDebugPrivilege	1728	WerFault.exe
Token: SeDebugPrivilege	3948	javaUpdate.exe
Token: SeDebugPrivilege	2252	System32.exe
Token: SeDebugPrivilege	3932	System32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2952	WintWare.exe
1840	build.vmp.sfx.exe
2124	build.vmp.exe
1016	csc.exe
3948	javaUpdate.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 2952	740	polas.exe	75
PID 740 wrote to memory of 2952	740	polas.exe	75
PID 740 wrote to memory of 2952	740	polas.exe	75
PID 2952 wrote to memory of 2388	2952	WintWare.exe	77
PID 2952 wrote to memory of 2388	2952	WintWare.exe	77
PID 2952 wrote to memory of 1840	2952	WintWare.exe	78
PID 2952 wrote to memory of 1840	2952	WintWare.exe	78
PID 2952 wrote to memory of 1840	2952	WintWare.exe	78
PID 2952 wrote to memory of 652	2952	WintWare.exe	79
PID 2952 wrote to memory of 652	2952	WintWare.exe	79
PID 2952 wrote to memory of 652	2952	WintWare.exe	79
PID 1840 wrote to memory of 2124	1840	build.vmp.sfx.exe	80
PID 1840 wrote to memory of 2124	1840	build.vmp.sfx.exe	80
PID 1840 wrote to memory of 2124	1840	build.vmp.sfx.exe	80
PID 652 wrote to memory of 4000	652	Hack.exe	81
PID 652 wrote to memory of 4000	652	Hack.exe	81
PID 652 wrote to memory of 4000	652	Hack.exe	81
PID 652 wrote to memory of 4000	652	Hack.exe	81
PID 652 wrote to memory of 4000	652	Hack.exe	81
PID 652 wrote to memory of 4000	652	Hack.exe	81
PID 652 wrote to memory of 4000	652	Hack.exe	81
PID 652 wrote to memory of 4000	652	Hack.exe	81
PID 2388 wrote to memory of 1016	2388	1.v1mp.exe	84
PID 2388 wrote to memory of 1016	2388	1.v1mp.exe	84
PID 1016 wrote to memory of 204	1016	csc.exe	86
PID 1016 wrote to memory of 204	1016	csc.exe	86
PID 2388 wrote to memory of 4056	2388	1.v1mp.exe	87
PID 2388 wrote to memory of 4056	2388	1.v1mp.exe	87
PID 2388 wrote to memory of 3948	2388	1.v1mp.exe	89
PID 2388 wrote to memory of 3948	2388	1.v1mp.exe	89
PID 3948 wrote to memory of 2252	3948	javaUpdate.exe	91
PID 3948 wrote to memory of 2252	3948	javaUpdate.exe	91
PID 3948 wrote to memory of 2252	3948	javaUpdate.exe	91
PID 2252 wrote to memory of 3932	2252	System32.exe	92
PID 2252 wrote to memory of 3932	2252	System32.exe	92
PID 2252 wrote to memory of 3932	2252	System32.exe	92

C:\Users\Admin\AppData\Local\Temp\polas.exe
"C:\Users\Admin\AppData\Local\Temp\polas.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:740
- C:\Users\Admin\AppData\Local\Temp\WintWare.exe
  "C:\Users\Admin\AppData\Local\Temp\WintWare.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2952
- - C:\Users\Admin\AppData\Roaming\1.v1mp.exe
    C:\Users\Admin\AppData\Roaming\1.v1mp.exe
    3⤵
    - Executes dropped EXE
    - Drops desktop.ini file(s)
    - Drops file in System32 directory
    - Drops file in Windows directory
    - Suspicious use of WriteProcessMemory
    PID:2388
  - - 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\zuz0fo_n.cmdline"
      4⤵
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1016
    - - 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\RES8BBC.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC8BBB.tmp"
        5⤵
        
        PID:204
  - - C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      PID:4056
  - - C:\Users\Admin\AppData\Roaming\Java\javaUpdate.exe
      "C:\Users\Admin\AppData\Roaming\Java\javaUpdate.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3948
    - - C:\Users\Admin\AppData\Roaming\System32.exe
        
        "C:\Users\Admin\AppData\Roaming\System32.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Roaming\Java\javaUpdate.exe" 3948 /protectFile
        5⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2252
      - C:\Users\Admin\AppData\Roaming\System32.exe
        
        "C:\Users\Admin\AppData\Roaming\System32.exe" /watchProcess "C:\Users\Admin\AppData\Roaming\Java\javaUpdate.exe" 3948 "/protectFile"
        6⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3932
- - C:\Users\Admin\AppData\Roaming\build.vmp.sfx.exe
    C:\Users\Admin\AppData\Roaming\build.vmp.sfx.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1840
  - - C:\Users\Admin\AppData\Local\Temp\build.vmp.exe
      "C:\Users\Admin\AppData\Local\Temp\build.vmp.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      PID:2124
- - C:\Users\Admin\AppData\Roaming\Hack.exe
    C:\Users\Admin\AppData\Roaming\Hack.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:652
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      4⤵
      PID:4000
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4000 -s 160
        5⤵
        Drops file in Windows directory
        Program crash
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1728

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2544

C:\Users\Admin\AppData\Roaming\Java\javaUpdate.exe
C:\Users\Admin\AppData\Roaming\Java\javaUpdate.exe
1⤵
- Executes dropped EXE
PID:856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/652-136-0x0000000005790000-0x0000000005791000-memory.dmp

Filesize
4KB

Download
memory/652-130-0x0000000000D60000-0x0000000000D61000-memory.dmp

Filesize
4KB

Download
memory/652-137-0x0000000002F60000-0x0000000002F62000-memory.dmp

Filesize
8KB

Download
memory/856-196-0x000000001C9D0000-0x000000001C9D2000-memory.dmp

Filesize
8KB

Download
memory/1016-151-0x00000000009C0000-0x00000000009C2000-memory.dmp

Filesize
8KB

Download
memory/2124-140-0x0000000000850000-0x00000000011F0000-memory.dmp

Filesize
9.6MB

Download
memory/2124-139-0x0000000001600000-0x0000000001601000-memory.dmp

Filesize
4KB

Download
memory/2252-197-0x0000000000B20000-0x0000000000B21000-memory.dmp

Filesize
4KB

Download
memory/2388-132-0x0000000002D10000-0x0000000002D12000-memory.dmp

Filesize
8KB

Download
memory/2544-167-0x000000001A8D0000-0x000000001A8D2000-memory.dmp

Filesize
8KB

Download
memory/2544-168-0x000000001AD70000-0x000000001AD71000-memory.dmp

Filesize
4KB

Download
memory/3948-195-0x000000001C214000-0x000000001C216000-memory.dmp

Filesize
8KB

Download
memory/3948-173-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/3948-179-0x0000000002940000-0x0000000002988000-memory.dmp

Filesize
288KB

Download
memory/3948-180-0x000000001C210000-0x000000001C212000-memory.dmp

Filesize
8KB

Download
memory/3948-177-0x0000000000B60000-0x0000000000B6C000-memory.dmp

Filesize
48KB

Download
memory/3948-182-0x00000000029B0000-0x00000000029C5000-memory.dmp

Filesize
84KB

Download
memory/3948-185-0x000000001C920000-0x000000001C921000-memory.dmp

Filesize
4KB

Download
memory/3948-186-0x00000000029D0000-0x00000000029DC000-memory.dmp

Filesize
48KB

Download
memory/3948-176-0x0000000000E50000-0x0000000000EAA000-memory.dmp

Filesize
360KB

Download
memory/3948-178-0x00000000010F0000-0x0000000001100000-memory.dmp

Filesize
64KB

Download
memory/3948-191-0x000000001C212000-0x000000001C214000-memory.dmp

Filesize
8KB

Download
memory/4000-142-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4056-161-0x000000001BE20000-0x000000001BE22000-memory.dmp

Filesize
8KB

Download
memory/4056-160-0x00000000026E0000-0x00000000026E1000-memory.dmp

Filesize
4KB

Download
memory/4056-159-0x0000000000F20000-0x0000000000F21000-memory.dmp

Filesize
4KB

Download
memory/4056-156-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download