orcus | f877b39e42932d1cb0bb2df1742c5fb492fdca752970e3397e733218d112be7b

Resubmissions

20-05-2024 14:17

240520-rlneqaeb81 10

24-03-2024 12:06

240324-n9qm7scf68 7

Analysis

max time kernel
197s
max time network
299s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20-05-2024 14:17

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General

Target

128f9907493f02c86832e77ee1baeb50.exe
Size

1022KB
MD5

128f9907493f02c86832e77ee1baeb50
SHA1

1a5f9e929ed8f3a83073156403a2cd943f29523b
SHA256

f877b39e42932d1cb0bb2df1742c5fb492fdca752970e3397e733218d112be7b
SHA512

be49646190ff383c3f9e9d6018c66abdbb86b6a807c6d8b2c789c33b9db6dc1ea99044b96feb54ec6cde0b46ab0c807c8005739ffd84ac181c22cb616185b684
SSDEEP

24576:le3veFbXAD9zWi4MxO6m6b/fYLGACf9Dtc2PyY:le/etqzXOu1Ff9DtTy

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/2836-17-0x0000019DA8330000-0x0000019DA8418000-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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	128f9907493f02c86832e77ee1baeb50.exe

Executes dropped EXE 1 IoCs

pid	Process
2836	128f9907493f02c86832e77ee1baeb50.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	2836	128f9907493f02c86832e77ee1baeb50.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 2836	4648	128f9907493f02c86832e77ee1baeb50.exe	90
PID 4648 wrote to memory of 2836	4648	128f9907493f02c86832e77ee1baeb50.exe	90

C:\Users\Admin\AppData\Local\Temp\128f9907493f02c86832e77ee1baeb50.exe
"C:\Users\Admin\AppData\Local\Temp\128f9907493f02c86832e77ee1baeb50.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Users\Admin\AppData\Local\128f9907493f02c86832e77ee1baeb50.exe
  "C:\Users\Admin\AppData\Local\128f9907493f02c86832e77ee1baeb50.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2836

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

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Downloads

C:\Users\Admin\AppData\Local\128f9907493f02c86832e77ee1baeb50.exe

Filesize
1022KB

MD5
128f9907493f02c86832e77ee1baeb50

SHA1
1a5f9e929ed8f3a83073156403a2cd943f29523b

SHA256
f877b39e42932d1cb0bb2df1742c5fb492fdca752970e3397e733218d112be7b

SHA512
be49646190ff383c3f9e9d6018c66abdbb86b6a807c6d8b2c789c33b9db6dc1ea99044b96feb54ec6cde0b46ab0c807c8005739ffd84ac181c22cb616185b684

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\128f9907493f02c86832e77ee1baeb50.exe.log

Filesize
660B

MD5
1c5e1d0ff3381486370760b0f2eb656b

SHA1
f9df6be8804ef611063f1ff277e323b1215372de

SHA256
f424c891fbc7385e9826beed2dd8755aeac5495744b5de0a1e370891a7beaf7a

SHA512
78f5fc40a185d04c9e4a02a3d1b10b4bd684c579a45a0d1e8f49f8dee9018ed7bc8875cbf21f98632f93ead667214a41904226ce54817b85caeeb4b0de54a743

Download Submit
memory/2836-17-0x0000019DA8330000-0x0000019DA8418000-memory.dmp

Filesize
928KB

Download
memory/2836-15-0x00007FF9F8B40000-0x00007FF9F9601000-memory.dmp

Filesize
10.8MB

Download
memory/2836-16-0x00007FF9F8B40000-0x00007FF9F9601000-memory.dmp

Filesize
10.8MB

Download
memory/2836-18-0x0000019D8FA00000-0x0000019D8FA5C000-memory.dmp

Filesize
368KB

Download
memory/2836-20-0x00007FF9F8B40000-0x00007FF9F9601000-memory.dmp

Filesize
10.8MB

Download
memory/2836-19-0x0000019D8E240000-0x0000019D8E24E000-memory.dmp

Filesize
56KB

Download
memory/2836-21-0x0000019D8FB10000-0x0000019D8FB22000-memory.dmp

Filesize
72KB

Download
memory/2836-22-0x0000019D8FB20000-0x0000019D8FB38000-memory.dmp

Filesize
96KB

Download
memory/2836-23-0x0000019D8FB00000-0x0000019D8FB10000-memory.dmp

Filesize
64KB

Download
memory/2836-24-0x00007FF9F8B40000-0x00007FF9F9601000-memory.dmp

Filesize
10.8MB

Download
memory/4648-1-0x000001F41AC50000-0x000001F41AD54000-memory.dmp

Filesize
1.0MB

Download
memory/4648-0-0x00007FF9F8B43000-0x00007FF9F8B45000-memory.dmp

Filesize
8KB

Download