orcus | 8dea2d324a4bf1fb49bd5eaf009fdafaa4001807912efff03f411082e01d24b7

Resubmissions

20-05-2024 14:16

240520-rlhjgaeb8t 10

24-03-2024 10:31

240324-mkc55sbh87 7

Analysis

max time kernel
233s
max time network
307s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20-05-2024 14:16

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General

Target

0374a5265d5ec5febcd31867d36fc3b0.exe
Size

993KB
MD5

0374a5265d5ec5febcd31867d36fc3b0
SHA1

7a0ddd9ea155a4bc7decf202fba4f3ab00945308
SHA256

8dea2d324a4bf1fb49bd5eaf009fdafaa4001807912efff03f411082e01d24b7
SHA512

408b9ac6251c9bdc6b4061e99c3e05e77e06334a283be3958e7c98053133f9c0a69fb08372f5c739ab3879d5539b022d15da30f99e1adbae451c9574200e6b86
SSDEEP

24576:He3veFbXAD9zWi4MxO6m6b/fYLGACf9Dtc2Py/+:He/etqzXOu1Ff9DtTyW

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

45.157.69.156:443

Mutex

3b453ed253424c82a94898f42bb6a1be

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
AppData\OrcusWatchdog.exe

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
behavioral1/memory/4560-18-0x0000020AB27D0000-0x0000020AB28B8000-memory.dmp	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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	0374a5265d5ec5febcd31867d36fc3b0.exe

Executes dropped EXE 1 IoCs

pid	Process
4560	0374a5265d5ec5febcd31867d36fc3b0.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4560	0374a5265d5ec5febcd31867d36fc3b0.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 4560	4616	0374a5265d5ec5febcd31867d36fc3b0.exe	100
PID 4616 wrote to memory of 4560	4616	0374a5265d5ec5febcd31867d36fc3b0.exe	100

C:\Users\Admin\AppData\Local\Temp\0374a5265d5ec5febcd31867d36fc3b0.exe
"C:\Users\Admin\AppData\Local\Temp\0374a5265d5ec5febcd31867d36fc3b0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4616
- C:\Users\Admin\AppData\Local\0374a5265d5ec5febcd31867d36fc3b0.exe
  "C:\Users\Admin\AppData\Local\0374a5265d5ec5febcd31867d36fc3b0.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4560

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:4768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\0374a5265d5ec5febcd31867d36fc3b0.exe

Filesize
993KB

MD5
0374a5265d5ec5febcd31867d36fc3b0

SHA1
7a0ddd9ea155a4bc7decf202fba4f3ab00945308

SHA256
8dea2d324a4bf1fb49bd5eaf009fdafaa4001807912efff03f411082e01d24b7

SHA512
408b9ac6251c9bdc6b4061e99c3e05e77e06334a283be3958e7c98053133f9c0a69fb08372f5c739ab3879d5539b022d15da30f99e1adbae451c9574200e6b86

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\0374a5265d5ec5febcd31867d36fc3b0.exe.log

Filesize
660B

MD5
1c5e1d0ff3381486370760b0f2eb656b

SHA1
f9df6be8804ef611063f1ff277e323b1215372de

SHA256
f424c891fbc7385e9826beed2dd8755aeac5495744b5de0a1e370891a7beaf7a

SHA512
78f5fc40a185d04c9e4a02a3d1b10b4bd684c579a45a0d1e8f49f8dee9018ed7bc8875cbf21f98632f93ead667214a41904226ce54817b85caeeb4b0de54a743

Download Submit
memory/4560-17-0x00007FFAE92C0000-0x00007FFAE9D81000-memory.dmp

Filesize
10.8MB

Download
memory/4560-16-0x00007FFAE92C0000-0x00007FFAE9D81000-memory.dmp

Filesize
10.8MB

Download
memory/4560-18-0x0000020AB27D0000-0x0000020AB28B8000-memory.dmp

Filesize
928KB

Download
memory/4560-19-0x0000020AB28C0000-0x0000020AB291C000-memory.dmp

Filesize
368KB

Download
memory/4560-20-0x00007FFAE92C0000-0x00007FFAE9D81000-memory.dmp

Filesize
10.8MB

Download
memory/4560-21-0x0000020AB2730000-0x0000020AB273E000-memory.dmp

Filesize
56KB

Download
memory/4560-22-0x0000020ACB100000-0x0000020ACB112000-memory.dmp

Filesize
72KB

Download
memory/4560-23-0x0000020ACB110000-0x0000020ACB128000-memory.dmp

Filesize
96KB

Download
memory/4560-24-0x0000020ACB0F0000-0x0000020ACB100000-memory.dmp

Filesize
64KB

Download
memory/4560-25-0x00007FFAE92C0000-0x00007FFAE9D81000-memory.dmp

Filesize
10.8MB

Download
memory/4616-2-0x00007FFAE92C3000-0x00007FFAE92C5000-memory.dmp

Filesize
8KB

Download
memory/4616-1-0x0000018DEDB00000-0x0000018DEDBFA000-memory.dmp

Filesize
1000KB

Download
memory/4616-0-0x00007FFAE92C3000-0x00007FFAE92C5000-memory.dmp

Filesize
8KB

Download