orcus | a73fc47c50c84406079ec3a83b8dcd31934454a7cf2adc8acb59f0715777584c

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 01:06

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General

Target

a73fc47c50c84406079ec3a83b8dcd31934454a7cf2adc8acb59f0715777584c.exe
Size

3.0MB
MD5

f5b2baebfafef93996f2e92b8a11c5c7
SHA1

a5c9ec23cca023f2739615034742854e8c45118e
SHA256

a73fc47c50c84406079ec3a83b8dcd31934454a7cf2adc8acb59f0715777584c
SHA512

88186903bc517e4903231c9e293cc954338f25612c20aee2c2a923825147c7ef4250a218cb7341f551ae753992bbdf4dae0c2f75b44985135072bdb2bddfe8a5
SSDEEP

49152:ZGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qb:ZLHTPJg8z1mKnypSbRxo9JCm

Score

10^/10

orcus новый тег discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

Новый тег

31.44.184.52:10903

Mutex

sudo_y1c6316rzc907rq53f3s5mvbsl5wem5z

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%appdata%\dleserverdle\BLtools2.1.9V.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 family
orcus

Orcus main payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000a000000023b91-13.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/memory/3416-1-0x0000000000670000-0x000000000096E000-memory.dmp	orcus
behavioral2/files/0x000a000000023b91-13.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	a73fc47c50c84406079ec3a83b8dcd31934454a7cf2adc8acb59f0715777584c.exe

Executes dropped EXE 6 IoCs

pid	Process
4596	BLtools2.1.9V.exe
3488	BLtools2.1.9V.exe
3864	BLtools2.1.9V.exe
4508	BLtools2.1.9V.exe
4876	BLtools2.1.9V.exe
5060	BLtools2.1.9V.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4596 set thread context of 1892	4596	BLtools2.1.9V.exe	86
PID 3488 set thread context of 1512	3488	BLtools2.1.9V.exe	88
PID 3864 set thread context of 3628	3864	BLtools2.1.9V.exe	91

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 10 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	BLtools2.1.9V.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msbuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BLtools2.1.9V.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BLtools2.1.9V.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BLtools2.1.9V.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BLtools2.1.9V.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msbuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BLtools2.1.9V.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a73fc47c50c84406079ec3a83b8dcd31934454a7cf2adc8acb59f0715777584c.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3416	a73fc47c50c84406079ec3a83b8dcd31934454a7cf2adc8acb59f0715777584c.exe
4596	BLtools2.1.9V.exe
4596	BLtools2.1.9V.exe
4596	BLtools2.1.9V.exe
4596	BLtools2.1.9V.exe
3488	BLtools2.1.9V.exe
3488	BLtools2.1.9V.exe
3864	BLtools2.1.9V.exe
3864	BLtools2.1.9V.exe
1512	msbuild.exe
1512	msbuild.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3416	a73fc47c50c84406079ec3a83b8dcd31934454a7cf2adc8acb59f0715777584c.exe
Token: SeDebugPrivilege	4596	BLtools2.1.9V.exe
Token: SeDebugPrivilege	3488	BLtools2.1.9V.exe
Token: SeDebugPrivilege	3864	BLtools2.1.9V.exe
Token: SeDebugPrivilege	1512	msbuild.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3416 wrote to memory of 4596	3416	a73fc47c50c84406079ec3a83b8dcd31934454a7cf2adc8acb59f0715777584c.exe	83
PID 3416 wrote to memory of 4596	3416	a73fc47c50c84406079ec3a83b8dcd31934454a7cf2adc8acb59f0715777584c.exe	83
PID 3416 wrote to memory of 4596	3416	a73fc47c50c84406079ec3a83b8dcd31934454a7cf2adc8acb59f0715777584c.exe	83
PID 4596 wrote to memory of 4876	4596	BLtools2.1.9V.exe	85
PID 4596 wrote to memory of 4876	4596	BLtools2.1.9V.exe	85
PID 4596 wrote to memory of 4876	4596	BLtools2.1.9V.exe	85
PID 4596 wrote to memory of 1892	4596	BLtools2.1.9V.exe	86
PID 4596 wrote to memory of 1892	4596	BLtools2.1.9V.exe	86
PID 4596 wrote to memory of 1892	4596	BLtools2.1.9V.exe	86
PID 4596 wrote to memory of 1892	4596	BLtools2.1.9V.exe	86
PID 4596 wrote to memory of 1892	4596	BLtools2.1.9V.exe	86
PID 4596 wrote to memory of 1892	4596	BLtools2.1.9V.exe	86
PID 4596 wrote to memory of 1892	4596	BLtools2.1.9V.exe	86
PID 4596 wrote to memory of 1892	4596	BLtools2.1.9V.exe	86
PID 3488 wrote to memory of 1512	3488	BLtools2.1.9V.exe	88
PID 3488 wrote to memory of 1512	3488	BLtools2.1.9V.exe	88
PID 3488 wrote to memory of 1512	3488	BLtools2.1.9V.exe	88
PID 3488 wrote to memory of 1512	3488	BLtools2.1.9V.exe	88
PID 3488 wrote to memory of 1512	3488	BLtools2.1.9V.exe	88
PID 3488 wrote to memory of 1512	3488	BLtools2.1.9V.exe	88
PID 3488 wrote to memory of 1512	3488	BLtools2.1.9V.exe	88
PID 3488 wrote to memory of 1512	3488	BLtools2.1.9V.exe	88
PID 3864 wrote to memory of 3628	3864	BLtools2.1.9V.exe	91
PID 3864 wrote to memory of 3628	3864	BLtools2.1.9V.exe	91
PID 3864 wrote to memory of 3628	3864	BLtools2.1.9V.exe	91
PID 3864 wrote to memory of 3628	3864	BLtools2.1.9V.exe	91
PID 3864 wrote to memory of 3628	3864	BLtools2.1.9V.exe	91
PID 3864 wrote to memory of 3628	3864	BLtools2.1.9V.exe	91
PID 3864 wrote to memory of 3628	3864	BLtools2.1.9V.exe	91
PID 3864 wrote to memory of 3628	3864	BLtools2.1.9V.exe	91

C:\Users\Admin\AppData\Local\Temp\a73fc47c50c84406079ec3a83b8dcd31934454a7cf2adc8acb59f0715777584c.exe
"C:\Users\Admin\AppData\Local\Temp\a73fc47c50c84406079ec3a83b8dcd31934454a7cf2adc8acb59f0715777584c.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Users\Admin\AppData\Roaming\dleserverdle\BLtools2.1.9V.exe
  "C:\Users\Admin\AppData\Roaming\dleserverdle\BLtools2.1.9V.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4596
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
    3⤵
    PID:4876
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1892

C:\Users\Admin\AppData\Roaming\dleserverdle\BLtools2.1.9V.exe
C:\Users\Admin\AppData\Roaming\dleserverdle\BLtools2.1.9V.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1512

C:\Users\Admin\AppData\Roaming\dleserverdle\BLtools2.1.9V.exe
C:\Users\Admin\AppData\Roaming\dleserverdle\BLtools2.1.9V.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3864
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3628

C:\Users\Admin\AppData\Roaming\dleserverdle\BLtools2.1.9V.exe
C:\Users\Admin\AppData\Roaming\dleserverdle\BLtools2.1.9V.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4508

C:\Users\Admin\AppData\Roaming\dleserverdle\BLtools2.1.9V.exe
C:\Users\Admin\AppData\Roaming\dleserverdle\BLtools2.1.9V.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4876

C:\Users\Admin\AppData\Roaming\dleserverdle\BLtools2.1.9V.exe
C:\Users\Admin\AppData\Roaming\dleserverdle\BLtools2.1.9V.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5060

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\BLtools2.1.9V.exe.log

Filesize
1KB

MD5
663b8d5469caa4489d463aa9bc18124f

SHA1
e57123a7d969115853ea631a3b33826335025d28

SHA256
7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

SHA512
45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

Download Submit
C:\Users\Admin\AppData\Roaming\dleserverdle\BLtools2.1.9V.exe

Filesize
3.0MB

MD5
f5b2baebfafef93996f2e92b8a11c5c7

SHA1
a5c9ec23cca023f2739615034742854e8c45118e

SHA256
a73fc47c50c84406079ec3a83b8dcd31934454a7cf2adc8acb59f0715777584c

SHA512
88186903bc517e4903231c9e293cc954338f25612c20aee2c2a923825147c7ef4250a218cb7341f551ae753992bbdf4dae0c2f75b44985135072bdb2bddfe8a5

Download Submit
C:\Users\Admin\AppData\Roaming\dleserverdle\BLtools2.1.9V.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1512-48-0x0000000007C40000-0x0000000008258000-memory.dmp

Filesize
6.1MB

Download
memory/1512-40-0x0000000005E10000-0x0000000005E20000-memory.dmp

Filesize
64KB

Download
memory/1512-55-0x00000000085C0000-0x0000000008610000-memory.dmp

Filesize
320KB

Download
memory/1512-54-0x00000000077E0000-0x00000000077EE000-memory.dmp

Filesize
56KB

Download
memory/1512-53-0x0000000008260000-0x0000000008422000-memory.dmp

Filesize
1.8MB

Download
memory/1512-52-0x0000000007800000-0x000000000790A000-memory.dmp

Filesize
1.0MB

Download
memory/1512-51-0x00000000076A0000-0x00000000076EC000-memory.dmp

Filesize
304KB

Download
memory/1512-50-0x0000000007660000-0x000000000769C000-memory.dmp

Filesize
240KB

Download
memory/1512-49-0x0000000007440000-0x0000000007452000-memory.dmp

Filesize
72KB

Download
memory/1512-47-0x00000000073B0000-0x0000000007416000-memory.dmp

Filesize
408KB

Download
memory/1512-41-0x0000000006A40000-0x0000000006A4A000-memory.dmp

Filesize
40KB

Download
memory/1512-39-0x0000000005D80000-0x0000000005D98000-memory.dmp

Filesize
96KB

Download
memory/3416-7-0x0000000005BB0000-0x0000000005BC2000-memory.dmp

Filesize
72KB

Download
memory/3416-3-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3416-5-0x0000000005C80000-0x0000000006224000-memory.dmp

Filesize
5.6MB

Download
memory/3416-4-0x0000000005330000-0x000000000538C000-memory.dmp

Filesize
368KB

Download
memory/3416-1-0x0000000000670000-0x000000000096E000-memory.dmp

Filesize
3.0MB

Download
memory/3416-6-0x00000000056D0000-0x0000000005762000-memory.dmp

Filesize
584KB

Download
memory/3416-2-0x0000000002BD0000-0x0000000002BDE000-memory.dmp

Filesize
56KB

Download
memory/3416-42-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3416-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/3488-36-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3488-29-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3488-28-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4596-25-0x00000000061A0000-0x00000000061EE000-memory.dmp

Filesize
312KB

Download
memory/4596-24-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4596-23-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4596-27-0x0000000006460000-0x00000000064FC000-memory.dmp

Filesize
624KB

Download
memory/4596-32-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download