orcus | 0b73bf9b3a7e38ea9648a62f8a31e1c19396ed0dc24a08d8dba7412f9ca224e8

Analysis

max time kernel
136s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
31/01/2025, 01:10

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General

Target

0b73bf9b3a7e38ea9648a62f8a31e1c19396ed0dc24a08d8dba7412f9ca224e8.exe
Size

919KB
MD5

a8460e01638dddbbb2ab4ea7d90d67b7
SHA1

812d25d53995a93e91e519a7827e7ce90abbbd22
SHA256

0b73bf9b3a7e38ea9648a62f8a31e1c19396ed0dc24a08d8dba7412f9ca224e8
SHA512

82541b1cc204273be276c4abe017583d3a592e113b1926251e7fdb1b2ef2dde36ec3ba4cf9f6706fa897eb1be5c42bc044b117c7df0f9cfe283b44fb3aed1c6a
SSDEEP

24576:AKW4MROxnFi3+serrcI0AilFEvxHPwfoos:AOMio/errcI0AilFEvxHP

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

programme-commission.gl.at.ply.gg:32324

Mutex

47fb5452117446319e9848a0ce452618

Attributes

autostart_method
Registry
enable_keylogger
true
install_path
%programfiles%\Microsoft 365
reconnect_delay
10000
registry_keyname
svchost
taskscheduler_taskname
RtkAudUService64
watchdog_path
AppData\svchost.exe

Signatures

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

Orcus main payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0009000000023bd2-22.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/1696-1-0x00000000006A0000-0x000000000078C000-memory.dmp	orcus
behavioral2/files/0x0009000000023bd2-22.dat	orcus

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft 365	0b73bf9b3a7e38ea9648a62f8a31e1c19396ed0dc24a08d8dba7412f9ca224e8.exe
File opened for modification	C:\Program Files (x86)\Microsoft 365	0b73bf9b3a7e38ea9648a62f8a31e1c19396ed0dc24a08d8dba7412f9ca224e8.exe
File created	C:\Program Files (x86)\Microsoft 365.config	0b73bf9b3a7e38ea9648a62f8a31e1c19396ed0dc24a08d8dba7412f9ca224e8.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0b73bf9b3a7e38ea9648a62f8a31e1c19396ed0dc24a08d8dba7412f9ca224e8.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000_Classes\Local Settings	0b73bf9b3a7e38ea9648a62f8a31e1c19396ed0dc24a08d8dba7412f9ca224e8.exe
Key created	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1740	OpenWith.exe

C:\Users\Admin\AppData\Local\Temp\0b73bf9b3a7e38ea9648a62f8a31e1c19396ed0dc24a08d8dba7412f9ca224e8.exe
"C:\Users\Admin\AppData\Local\Temp\0b73bf9b3a7e38ea9648a62f8a31e1c19396ed0dc24a08d8dba7412f9ca224e8.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1696

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft 365

Filesize
919KB

MD5
a8460e01638dddbbb2ab4ea7d90d67b7

SHA1
812d25d53995a93e91e519a7827e7ce90abbbd22

SHA256
0b73bf9b3a7e38ea9648a62f8a31e1c19396ed0dc24a08d8dba7412f9ca224e8

SHA512
82541b1cc204273be276c4abe017583d3a592e113b1926251e7fdb1b2ef2dde36ec3ba4cf9f6706fa897eb1be5c42bc044b117c7df0f9cfe283b44fb3aed1c6a

Download Submit
memory/1696-8-0x0000000005280000-0x0000000005288000-memory.dmp

Filesize
32KB

Download
memory/1696-10-0x0000000005860000-0x00000000058C6000-memory.dmp

Filesize
408KB

Download
memory/1696-3-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/1696-4-0x00000000050F0000-0x000000000514C000-memory.dmp

Filesize
368KB

Download
memory/1696-5-0x0000000005920000-0x0000000005EC4000-memory.dmp

Filesize
5.6MB

Download
memory/1696-6-0x0000000005290000-0x0000000005322000-memory.dmp

Filesize
584KB

Download
memory/1696-7-0x0000000005270000-0x0000000005282000-memory.dmp

Filesize
72KB

Download
memory/1696-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/1696-2-0x00000000050E0000-0x00000000050EE000-memory.dmp

Filesize
56KB

Download
memory/1696-11-0x00000000064F0000-0x0000000006B08000-memory.dmp

Filesize
6.1MB

Download
memory/1696-9-0x0000000005330000-0x0000000005338000-memory.dmp

Filesize
32KB

Download
memory/1696-12-0x0000000005ED0000-0x0000000005EE2000-memory.dmp

Filesize
72KB

Download
memory/1696-13-0x0000000005F30000-0x0000000005F6C000-memory.dmp

Filesize
240KB

Download
memory/1696-14-0x0000000005F70000-0x0000000005FBC000-memory.dmp

Filesize
304KB

Download
memory/1696-15-0x00000000060F0000-0x00000000061FA000-memory.dmp

Filesize
1.0MB

Download
memory/1696-1-0x00000000006A0000-0x000000000078C000-memory.dmp

Filesize
944KB

Download
memory/1696-30-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download