orcus | c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5

General

Target

c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe
Size

960KB
MD5

116f9a25f5eea9478f677914aa1412c0
SHA1

5d55670d45856ad0d56cefd3168a69d529d3230e
SHA256

c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5
SHA512

637eacb42e93d538f58f87f2f8a2626bba1d99f3dd0b575c070eadce8acb468531faa3ba977944875bb6aed1cab0737d1788529fd8f063a0be870aea8db50fa3
SSDEEP

24576:/G+4MROxnFQpSxXSjrrcI0AilFEvxHPdGooC6V:/WMiOKSjrrcI0AilFEvxHPz6

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

192.168.0.106:2287

Mutex

c0d90a4bf0ae4802bfb6b8a0ed354666

Attributes

autostart_method
TaskScheduler
enable_keylogger
false
install_path
%programfiles%\wr\wr.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Wr
watchdog_path
AppData\OrcusWatchdog.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/0x002c000000015cb6-10.dat	family_orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2696-0-0x00000000010D0000-0x00000000011C4000-memory.dmp	orcus
behavioral1/files/0x002c000000015cb6-10.dat	orcus
behavioral1/memory/2692-16-0x0000000001080000-0x0000000001174000-memory.dmp	orcus

Executes dropped EXE 2 IoCs

pid	Process
2692	wr.exe
2680	wr.exe

Loads dropped DLL 1 IoCs

pid	Process
2696	c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\wr\wr.exe	c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe
File opened for modification	C:\Program Files (x86)\wr\wr.exe	c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe
File created	C:\Program Files (x86)\wr\wr.exe.config	c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe

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

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2692	wr.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2692	wr.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2692	2696	c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe	28
PID 2696 wrote to memory of 2692	2696	c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe	28
PID 2696 wrote to memory of 2692	2696	c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe	28
PID 2696 wrote to memory of 2692	2696	c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe	28
PID 2564 wrote to memory of 2680	2564	taskeng.exe	30
PID 2564 wrote to memory of 2680	2564	taskeng.exe	30
PID 2564 wrote to memory of 2680	2564	taskeng.exe	30
PID 2564 wrote to memory of 2680	2564	taskeng.exe	30

C:\Users\Admin\AppData\Local\Temp\c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe
"C:\Users\Admin\AppData\Local\Temp\c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Program Files (x86)\wr\wr.exe
  "C:\Program Files (x86)\wr\wr.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2692

C:\Windows\system32\taskeng.exe
taskeng.exe {3E2CE54E-2E6E-4ECA-B0CA-0F9ECED7D2CD} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Program Files (x86)\wr\wr.exe
  "C:\Program Files (x86)\wr\wr.exe"
  2⤵
  - Executes dropped EXE
  PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\wr\wr.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
\Program Files (x86)\wr\wr.exe

Filesize
960KB

MD5
116f9a25f5eea9478f677914aa1412c0

SHA1
5d55670d45856ad0d56cefd3168a69d529d3230e

SHA256
c1aa2309965a0a41998878a6d1c238826d45e409e0f292ab65864e2d12947cb5

SHA512
637eacb42e93d538f58f87f2f8a2626bba1d99f3dd0b575c070eadce8acb468531faa3ba977944875bb6aed1cab0737d1788529fd8f063a0be870aea8db50fa3

Download Submit
memory/2692-18-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/2692-26-0x0000000000FF0000-0x0000000001030000-memory.dmp

Filesize
256KB

Download
memory/2692-25-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/2692-23-0x0000000000F30000-0x0000000000F40000-memory.dmp

Filesize
64KB

Download
memory/2692-22-0x0000000000EF0000-0x0000000000F08000-memory.dmp

Filesize
96KB

Download
memory/2692-20-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2692-21-0x0000000000710000-0x000000000075E000-memory.dmp

Filesize
312KB

Download
memory/2692-16-0x0000000001080000-0x0000000001174000-memory.dmp

Filesize
976KB

Download
memory/2692-19-0x0000000000FF0000-0x0000000001030000-memory.dmp

Filesize
256KB

Download
memory/2696-4-0x0000000000AE0000-0x0000000000B3C000-memory.dmp

Filesize
368KB

Download
memory/2696-17-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/2696-5-0x0000000000660000-0x0000000000672000-memory.dmp

Filesize
72KB

Download
memory/2696-0-0x00000000010D0000-0x00000000011C4000-memory.dmp

Filesize
976KB

Download
memory/2696-3-0x0000000000340000-0x000000000034E000-memory.dmp

Filesize
56KB

Download
memory/2696-2-0x0000000004AC0000-0x0000000004B00000-memory.dmp

Filesize
256KB

Download
memory/2696-1-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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