orcus | eaf93486d42c98ffa4bfce215f82b2e8f3e74f679068e3aaa9951625c778479e

General

Target

eaf93486d42c98ffa4bfce215f82b2e8f3e74f679068e3aaa9951625c778479e.exe
Size

3.0MB
MD5

f52e162c2cd39d10b762a0631aac52b4
SHA1

1b8ba9247146546c9dc4010b07cb2ac2dd60ce7e
SHA256

eaf93486d42c98ffa4bfce215f82b2e8f3e74f679068e3aaa9951625c778479e
SHA512

5d54397af1322728a5b4fe1421683f35782b7b6cad93296733e5dcfe4708754d31a90211e0a45e59997fa5728e10e109f69d959e598338528de20dd14bb4b223
SSDEEP

49152:jGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qb:jLHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus dildo rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Dildo

C2

31.44.184.52:47228

Mutex

sudo_assnpmutz5ggi33dy3ew9b1s7ljon1sl

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\jspollgenerator\processauth.exe
reconnect_delay
10000
registry_keyname
Sudik
taskscheduler_taskname
sudik
watchdog_path
AppData\aga.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
behavioral2/files/0x0008000000023411-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/5016-1-0x0000000000420000-0x000000000071E000-memory.dmp	orcus
behavioral2/files/0x0008000000023411-13.dat	orcus

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	eaf93486d42c98ffa4bfce215f82b2e8f3e74f679068e3aaa9951625c778479e.exe

Executes dropped EXE 5 IoCs

pid	Process
1344	processauth.exe
1632	processauth.exe
2200	processauth.exe
4064	processauth.exe
4620	processauth.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
T1552.001

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1344 set thread context of 2032	1344	processauth.exe	89
PID 1632 set thread context of 664	1632	processauth.exe	91

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
5016	eaf93486d42c98ffa4bfce215f82b2e8f3e74f679068e3aaa9951625c778479e.exe
1344	processauth.exe
1344	processauth.exe
1632	processauth.exe
1632	processauth.exe
664	regasm.exe
664	regasm.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	5016	eaf93486d42c98ffa4bfce215f82b2e8f3e74f679068e3aaa9951625c778479e.exe
Token: SeDebugPrivilege	1344	processauth.exe
Token: SeDebugPrivilege	1632	processauth.exe
Token: SeDebugPrivilege	664	regasm.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 1344	5016	eaf93486d42c98ffa4bfce215f82b2e8f3e74f679068e3aaa9951625c778479e.exe	87
PID 5016 wrote to memory of 1344	5016	eaf93486d42c98ffa4bfce215f82b2e8f3e74f679068e3aaa9951625c778479e.exe	87
PID 5016 wrote to memory of 1344	5016	eaf93486d42c98ffa4bfce215f82b2e8f3e74f679068e3aaa9951625c778479e.exe	87
PID 1344 wrote to memory of 2032	1344	processauth.exe	89
PID 1344 wrote to memory of 2032	1344	processauth.exe	89
PID 1344 wrote to memory of 2032	1344	processauth.exe	89
PID 1344 wrote to memory of 2032	1344	processauth.exe	89
PID 1344 wrote to memory of 2032	1344	processauth.exe	89
PID 1344 wrote to memory of 2032	1344	processauth.exe	89
PID 1344 wrote to memory of 2032	1344	processauth.exe	89
PID 1344 wrote to memory of 2032	1344	processauth.exe	89
PID 1632 wrote to memory of 664	1632	processauth.exe	91
PID 1632 wrote to memory of 664	1632	processauth.exe	91
PID 1632 wrote to memory of 664	1632	processauth.exe	91
PID 1632 wrote to memory of 664	1632	processauth.exe	91
PID 1632 wrote to memory of 664	1632	processauth.exe	91
PID 1632 wrote to memory of 664	1632	processauth.exe	91
PID 1632 wrote to memory of 664	1632	processauth.exe	91
PID 1632 wrote to memory of 664	1632	processauth.exe	91

C:\Users\Admin\AppData\Local\Temp\eaf93486d42c98ffa4bfce215f82b2e8f3e74f679068e3aaa9951625c778479e.exe
"C:\Users\Admin\AppData\Local\Temp\eaf93486d42c98ffa4bfce215f82b2e8f3e74f679068e3aaa9951625c778479e.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5016
- C:\Users\Admin\AppData\Roaming\jspollgenerator\processauth.exe
  "C:\Users\Admin\AppData\Roaming\jspollgenerator\processauth.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1344
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
    3⤵
    PID:2032

C:\Users\Admin\AppData\Roaming\jspollgenerator\processauth.exe
C:\Users\Admin\AppData\Roaming\jspollgenerator\processauth.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:664

C:\Users\Admin\AppData\Roaming\jspollgenerator\processauth.exe
C:\Users\Admin\AppData\Roaming\jspollgenerator\processauth.exe
1⤵
- Executes dropped EXE
PID:2200

C:\Users\Admin\AppData\Roaming\jspollgenerator\processauth.exe
C:\Users\Admin\AppData\Roaming\jspollgenerator\processauth.exe
1⤵
- Executes dropped EXE
PID:4064

C:\Users\Admin\AppData\Roaming\jspollgenerator\processauth.exe
C:\Users\Admin\AppData\Roaming\jspollgenerator\processauth.exe
1⤵
- Executes dropped EXE
PID:4620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

2

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\processauth.exe.log

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

Download Submit
C:\Users\Admin\AppData\Roaming\jspollgenerator\processauth.exe

Filesize
3.0MB

MD5
f52e162c2cd39d10b762a0631aac52b4

SHA1
1b8ba9247146546c9dc4010b07cb2ac2dd60ce7e

SHA256
eaf93486d42c98ffa4bfce215f82b2e8f3e74f679068e3aaa9951625c778479e

SHA512
5d54397af1322728a5b4fe1421683f35782b7b6cad93296733e5dcfe4708754d31a90211e0a45e59997fa5728e10e109f69d959e598338528de20dd14bb4b223

Download Submit
C:\Users\Admin\AppData\Roaming\jspollgenerator\processauth.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/664-42-0x0000000007690000-0x0000000007CA8000-memory.dmp

Filesize
6.1MB

Download
memory/664-44-0x0000000007100000-0x000000000713C000-memory.dmp

Filesize
240KB

Download
memory/664-40-0x0000000006870000-0x000000000687A000-memory.dmp

Filesize
40KB

Download
memory/664-50-0x00000000081D0000-0x0000000008220000-memory.dmp

Filesize
320KB

Download
memory/664-49-0x00000000072B0000-0x00000000072BE000-memory.dmp

Filesize
56KB

Download
memory/664-48-0x0000000007CB0000-0x0000000007E72000-memory.dmp

Filesize
1.8MB

Download
memory/664-47-0x00000000072D0000-0x00000000073DA000-memory.dmp

Filesize
1.0MB

Download
memory/664-39-0x0000000006530000-0x0000000006540000-memory.dmp

Filesize
64KB

Download
memory/664-45-0x0000000007140000-0x000000000718C000-memory.dmp

Filesize
304KB

Download
memory/664-41-0x0000000007000000-0x0000000007066000-memory.dmp

Filesize
408KB

Download
memory/664-38-0x0000000005BB0000-0x0000000005BC8000-memory.dmp

Filesize
96KB

Download
memory/664-43-0x00000000070A0000-0x00000000070B2000-memory.dmp

Filesize
72KB

Download
memory/1344-25-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/1344-28-0x00000000063D0000-0x000000000646C000-memory.dmp

Filesize
624KB

Download
memory/1344-26-0x0000000005A90000-0x0000000005ADE000-memory.dmp

Filesize
312KB

Download
memory/1344-24-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/1344-33-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/1632-32-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/1632-37-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/1632-29-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/5016-23-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/5016-0-0x000000007446E000-0x000000007446F000-memory.dmp

Filesize
4KB

Download
memory/5016-7-0x0000000005950000-0x0000000005962000-memory.dmp

Filesize
72KB

Download
memory/5016-5-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Filesize
5.6MB

Download
memory/5016-4-0x00000000050D0000-0x000000000512C000-memory.dmp

Filesize
368KB

Download
memory/5016-2-0x0000000005080000-0x000000000508E000-memory.dmp

Filesize
56KB

Download
memory/5016-3-0x0000000074460000-0x0000000074C10000-memory.dmp

Filesize
7.7MB

Download
memory/5016-1-0x0000000000420000-0x000000000071E000-memory.dmp

Filesize
3.0MB

Download
memory/5016-6-0x0000000005460000-0x00000000054F2000-memory.dmp

Filesize
584KB

Download

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