orcus | 7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc

Analysis

max time kernel
149s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 01:03

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General

Target

7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe
Size

986KB
MD5

f4cc5f812d038c702051b7026f67ec65
SHA1

bc26685023eddc1e6a82ee6ebe52d7c1bcb14cda
SHA256

7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc
SHA512

f953fe57a35d88063ac2a25e9629f6f3953bf7678b5cbdde0ac66928bdc671a2f43a0b8d81dd74ccfb01f24867456f2462f783d023da09dee72acd0f78210058
SSDEEP

24576:Dsc04MROxnFF637U6rrcI0AilFEvxHP4Choon:QeMibK7U6rrcI0AilFEvxHP4

Score

10^/10

orcus solara discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

solara

212.15.49.233:5050

Mutex

094a584ddb794dbe9ff094ec5bbdb4d1

Attributes

autostart_method
TaskScheduler
enable_keylogger
false
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
SystemSettings
taskscheduler_taskname
UserOOBEBroker
watchdog_path
AppData\taskhostw.exe

Signatures

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

Processes:

resource	yara_rule
behavioral2/memory/1616-10-0x0000000005E20000-0x0000000005E28000-memory.dmp	disable_win_def

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

Processes:

resource	yara_rule
behavioral2/files/0x0007000000023caa-87.dat	family_orcus

Orcurs Rat Executable 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1616-1-0x0000000000F20000-0x000000000101C000-memory.dmp	orcus
behavioral2/files/0x0007000000023caa-87.dat	orcus

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exeOrcus.exetaskhostw.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	Orcus.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	taskhostw.exe

Executes dropped EXE 6 IoCs

Processes:

WindowsInput.exeWindowsInput.exeOrcus.exeOrcus.exetaskhostw.exetaskhostw.exe

pid	Process
4308	WindowsInput.exe
3652	WindowsInput.exe
4568	Orcus.exe
2736	Orcus.exe
5100	taskhostw.exe
1144	taskhostw.exe

Drops file in System32 directory 3 IoCs

Processes:

7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exeWindowsInput.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

Processes:

7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe

description	ioc	Process
File created	C:\Program Files (x86)\Orcus\Orcus.exe.config	7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe
File created	C:\Program Files (x86)\Orcus\Orcus.exe	7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe
File opened for modification	C:\Program Files (x86)\Orcus\Orcus.exe	7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.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 5 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

Processes:

taskhostw.exetaskhostw.exe7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exeOrcus.exeOrcus.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskhostw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskhostw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Orcus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Orcus.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exeOrcus.exetaskhostw.exe

pid	Process
1616	7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe
4568	Orcus.exe
4568	Orcus.exe
4568	Orcus.exe
4568	Orcus.exe
1144	taskhostw.exe
1144	taskhostw.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
4568	Orcus.exe
1144	taskhostw.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe
1144	taskhostw.exe
4568	Orcus.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exeOrcus.exetaskhostw.exetaskhostw.exe

description	pid	Process
Token: SeDebugPrivilege	1616	7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe
Token: SeDebugPrivilege	4568	Orcus.exe
Token: SeDebugPrivilege	5100	taskhostw.exe
Token: SeDebugPrivilege	1144	taskhostw.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exeOrcus.exetaskhostw.exe

description	pid	Process	procid_target
PID 1616 wrote to memory of 4308	1616	7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe	84
PID 1616 wrote to memory of 4308	1616	7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe	84
PID 1616 wrote to memory of 4568	1616	7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe	86
PID 1616 wrote to memory of 4568	1616	7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe	86
PID 1616 wrote to memory of 4568	1616	7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe	86
PID 4568 wrote to memory of 5100	4568	Orcus.exe	88
PID 4568 wrote to memory of 5100	4568	Orcus.exe	88
PID 4568 wrote to memory of 5100	4568	Orcus.exe	88
PID 5100 wrote to memory of 1144	5100	taskhostw.exe	89
PID 5100 wrote to memory of 1144	5100	taskhostw.exe	89
PID 5100 wrote to memory of 1144	5100	taskhostw.exe	89

C:\Users\Admin\AppData\Local\Temp\7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe
"C:\Users\Admin\AppData\Local\Temp\7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:4308
- C:\Program Files (x86)\Orcus\Orcus.exe
  "C:\Program Files (x86)\Orcus\Orcus.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4568
- - C:\Users\Admin\AppData\Roaming\taskhostw.exe
    "C:\Users\Admin\AppData\Roaming\taskhostw.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 4568 /protectFile
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:5100
  - - C:\Users\Admin\AppData\Roaming\taskhostw.exe
      "C:\Users\Admin\AppData\Roaming\taskhostw.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 4568 "/protectFile"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1144

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:3652

C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2736

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

Replay Monitor

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Downloads

C:\Program Files (x86)\Orcus\Orcus.exe

Filesize
986KB

MD5
f4cc5f812d038c702051b7026f67ec65

SHA1
bc26685023eddc1e6a82ee6ebe52d7c1bcb14cda

SHA256
7d0eb9dc847ec28213299691c76677a023696d7357f3cbf63a43531f436313cc

SHA512
f953fe57a35d88063ac2a25e9629f6f3953bf7678b5cbdde0ac66928bdc671a2f43a0b8d81dd74ccfb01f24867456f2462f783d023da09dee72acd0f78210058

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\taskhostw.exe.log

Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sbxupwgq.rlt.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Orcus\err_094a584ddb794dbe9ff094ec5bbdb4d1.dat

Filesize
1KB

MD5
d24ddd9fbd237ba97890823e8dfa2dff

SHA1
648e35a9f4a992d3bae17d53b0c61dad5c6750b3

SHA256
680b1fc5502e641c1701fe07388f9e8d0f6a6fb8291db8b56a79b0884e477348

SHA512
0db0c9256b1b739cc48fe63a2009d448d48d35b7fc6eda580988e45f57471a49f6446ccdf5f1c978eebe7797e10f7a4413ec8b0ba702afb769cf71d36f4570e7

Download Submit
C:\Users\Admin\AppData\Roaming\taskhostw.exe

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
e6fcf516d8ed8d0d4427f86e08d0d435

SHA1
c7691731583ab7890086635cb7f3e4c22ca5e409

SHA256
8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

SHA512
c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/1616-59-0x0000000007AA0000-0x0000000007ABA000-memory.dmp

Filesize
104KB

Download
memory/1616-97-0x00000000752B0000-0x0000000075A60000-memory.dmp

Filesize
7.7MB

Download
memory/1616-12-0x0000000005E40000-0x0000000005E48000-memory.dmp

Filesize
32KB

Download
memory/1616-11-0x0000000005E30000-0x0000000005E38000-memory.dmp

Filesize
32KB

Download
memory/1616-13-0x00000000065D0000-0x0000000006636000-memory.dmp

Filesize
408KB

Download
memory/1616-10-0x0000000005E20000-0x0000000005E28000-memory.dmp

Filesize
32KB

Download
memory/1616-63-0x0000000007BA0000-0x0000000007BBE000-memory.dmp

Filesize
120KB

Download
memory/1616-14-0x0000000006C60000-0x0000000007278000-memory.dmp

Filesize
6.1MB

Download
memory/1616-15-0x0000000006660000-0x0000000006672000-memory.dmp

Filesize
72KB

Download
memory/1616-16-0x00000000066C0000-0x00000000066FC000-memory.dmp

Filesize
240KB

Download
memory/1616-17-0x0000000006700000-0x000000000674C000-memory.dmp

Filesize
304KB

Download
memory/1616-18-0x0000000006870000-0x000000000697A000-memory.dmp

Filesize
1.0MB

Download
memory/1616-20-0x0000000006C00000-0x0000000006C22000-memory.dmp

Filesize
136KB

Download
memory/1616-7-0x00000000059D0000-0x00000000059E2000-memory.dmp

Filesize
72KB

Download
memory/1616-1-0x0000000000F20000-0x000000000101C000-memory.dmp

Filesize
1008KB

Download
memory/1616-2-0x0000000001960000-0x000000000196E000-memory.dmp

Filesize
56KB

Download
memory/1616-5-0x0000000005EB0000-0x0000000006454000-memory.dmp

Filesize
5.6MB

Download
memory/1616-4-0x0000000005890000-0x00000000058EC000-memory.dmp

Filesize
368KB

Download
memory/1616-8-0x00000000059E0000-0x00000000059E8000-memory.dmp

Filesize
32KB

Download
memory/1616-3-0x00000000752B0000-0x0000000075A60000-memory.dmp

Filesize
7.7MB

Download
memory/1616-84-0x000000000AD30000-0x000000000AD38000-memory.dmp

Filesize
32KB

Download
memory/1616-83-0x000000000AD00000-0x000000000AD1A000-memory.dmp

Filesize
104KB

Download
memory/1616-82-0x000000000ACC0000-0x000000000ACD4000-memory.dmp

Filesize
80KB

Download
memory/1616-49-0x0000000007C50000-0x0000000008278000-memory.dmp

Filesize
6.2MB

Download
memory/1616-6-0x00000000059F0000-0x0000000005A82000-memory.dmp

Filesize
584KB

Download
memory/1616-64-0x0000000008320000-0x000000000836A000-memory.dmp

Filesize
296KB

Download
memory/1616-62-0x0000000008280000-0x0000000008316000-memory.dmp

Filesize
600KB

Download
memory/1616-61-0x0000000008900000-0x0000000008F7A000-memory.dmp

Filesize
6.5MB

Download
memory/1616-60-0x0000000007B00000-0x0000000007B36000-memory.dmp

Filesize
216KB

Download
memory/1616-9-0x0000000005E10000-0x0000000005E18000-memory.dmp

Filesize
32KB

Download
memory/1616-0-0x00000000752BE000-0x00000000752BF000-memory.dmp

Filesize
4KB

Download
memory/1616-65-0x0000000008F80000-0x00000000092D4000-memory.dmp

Filesize
3.3MB

Download
memory/1616-66-0x0000000008760000-0x00000000087C6000-memory.dmp

Filesize
408KB

Download
memory/1616-67-0x0000000008800000-0x0000000008822000-memory.dmp

Filesize
136KB

Download
memory/1616-77-0x000000000A890000-0x000000000A8AE000-memory.dmp

Filesize
120KB

Download
memory/1616-78-0x000000000A8B0000-0x000000000A953000-memory.dmp

Filesize
652KB

Download
memory/1616-79-0x000000000AB20000-0x000000000AB2A000-memory.dmp

Filesize
40KB

Download
memory/1616-80-0x000000000AC90000-0x000000000ACA1000-memory.dmp

Filesize
68KB

Download
memory/1616-81-0x000000000ACB0000-0x000000000ACBE000-memory.dmp

Filesize
56KB

Download
memory/3652-44-0x00007FFE38B90000-0x00007FFE39651000-memory.dmp

Filesize
10.8MB

Download
memory/3652-145-0x00007FFE38B90000-0x00007FFE39651000-memory.dmp

Filesize
10.8MB

Download
memory/3652-45-0x000000001A820000-0x000000001A92A000-memory.dmp

Filesize
1.0MB

Download
memory/4308-38-0x00007FFE38B90000-0x00007FFE39651000-memory.dmp

Filesize
10.8MB

Download
memory/4308-42-0x00007FFE38B90000-0x00007FFE39651000-memory.dmp

Filesize
10.8MB

Download
memory/4308-36-0x00000000023A0000-0x00000000023B2000-memory.dmp

Filesize
72KB

Download
memory/4308-34-0x0000000000310000-0x000000000031C000-memory.dmp

Filesize
48KB

Download
memory/4308-35-0x00007FFE38B93000-0x00007FFE38B95000-memory.dmp

Filesize
8KB

Download
memory/4308-37-0x0000000002430000-0x000000000246C000-memory.dmp

Filesize
240KB

Download
memory/4568-125-0x000000000A0D0000-0x000000000A0E1000-memory.dmp

Filesize
68KB

Download
memory/4568-124-0x0000000009D00000-0x0000000009DA3000-memory.dmp

Filesize
652KB

Download
memory/4568-114-0x00000000083D0000-0x0000000008724000-memory.dmp

Filesize
3.3MB

Download
memory/4568-103-0x0000000006800000-0x0000000006818000-memory.dmp

Filesize
96KB

Download
memory/4568-126-0x000000000A110000-0x000000000A124000-memory.dmp

Filesize
80KB

Download
memory/4568-127-0x0000000008C40000-0x0000000008C4A000-memory.dmp

Filesize
40KB

Download
memory/4568-101-0x0000000005FB0000-0x0000000005FC8000-memory.dmp

Filesize
96KB

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memory/4568-100-0x0000000006600000-0x000000000664E000-memory.dmp

Filesize
312KB

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memory/4568-104-0x00000000069B0000-0x00000000069C0000-memory.dmp

Filesize
64KB

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memory/4568-150-0x000000000A710000-0x000000000A8D2000-memory.dmp

Filesize
1.8MB

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memory/5100-141-0x0000000000790000-0x0000000000798000-memory.dmp

Filesize
32KB

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