orcus | a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 01:17

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General

Target

a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe
Size

914KB
MD5

b9f085290297f38b044db9972812c826
SHA1

496f122b6be87a63b68368ad4cbcad814c342672
SHA256

a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9
SHA512

f818d1cc3627e32bf30ee1a2ee6800ba858eaa08a3b5a37e9e7ac4fde545c0c1d71ff062ac9da4392ec53053521f4c336a36e6bb2e925d89e0211197f591cf01
SSDEEP

24576:IDg4MROxnFR3VTnhrZlI0AilFEvxHiD0:IDDMij/rZlI0AilFEvxHi

Score

10^/10

orcus persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

127.0.0.1:10134

Mutex

e86fb9de8bd84a349c8c22746e22a3a3

Attributes

autostart_method
Registry
enable_keylogger
false
install_path
%programfiles%\DataStorage\DataStddforage.exe
reconnect_delay
10000
registry_keyname
DatfghdfaStorages
taskscheduler_taskname
DataStdfhorage
watchdog_path
AppData\DataStoragdse.exe

Signatures

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

Orcus main payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000600000002296e-36.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/files/0x000600000002296e-36.dat	orcus
behavioral2/memory/2496-41-0x0000000000BA0000-0x0000000000C8A000-memory.dmp	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	DataStddforage.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	DataStoragdse.exe

Executes dropped EXE 4 IoCs

pid	Process
2496	DataStddforage.exe
4556	DataStddforage.exe
4588	DataStoragdse.exe
3052	DataStoragdse.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DatfghdfaStorages = "\"C:\\Program Files\\DataStorage\\DataStddforage.exe\""	DataStddforage.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\DataStorage\DataStddforage.exe	a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe
File created	C:\Program Files\DataStorage\DataStddforage.exe.config	a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe
File created	C:\Program Files\DataStorage\DataStddforage.exe	a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe
File opened for modification	C:\Windows\assembly	a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3052	DataStoragdse.exe
3052	DataStoragdse.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
2496	DataStddforage.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe
3052	DataStoragdse.exe
2496	DataStddforage.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	DataStddforage.exe
Token: SeDebugPrivilege	4588	DataStoragdse.exe
Token: SeDebugPrivilege	3052	DataStoragdse.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 4532	2200	a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe	91
PID 2200 wrote to memory of 4532	2200	a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe	91
PID 4532 wrote to memory of 3716	4532	csc.exe	93
PID 4532 wrote to memory of 3716	4532	csc.exe	93
PID 2200 wrote to memory of 2496	2200	a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe	94
PID 2200 wrote to memory of 2496	2200	a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe	94
PID 2496 wrote to memory of 4588	2496	DataStddforage.exe	96
PID 2496 wrote to memory of 4588	2496	DataStddforage.exe	96
PID 2496 wrote to memory of 4588	2496	DataStddforage.exe	96
PID 4588 wrote to memory of 3052	4588	DataStoragdse.exe	97
PID 4588 wrote to memory of 3052	4588	DataStoragdse.exe	97
PID 4588 wrote to memory of 3052	4588	DataStoragdse.exe	97

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe
"C:\Users\Admin\AppData\Local\Temp\a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\nlipoze1.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4532
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES71F5.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC71F4.tmp"
    3⤵
    PID:3716
- C:\Program Files\DataStorage\DataStddforage.exe
  "C:\Program Files\DataStorage\DataStddforage.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2496
- - C:\Users\Admin\AppData\Roaming\DataStoragdse.exe
    "C:\Users\Admin\AppData\Roaming\DataStoragdse.exe" /launchSelfAndExit "C:\Program Files\DataStorage\DataStddforage.exe" 2496
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4588
  - - C:\Users\Admin\AppData\Roaming\DataStoragdse.exe
      "C:\Users\Admin\AppData\Roaming\DataStoragdse.exe" /watchProcess "C:\Program Files\DataStorage\DataStddforage.exe" 2496
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3052

C:\Program Files\DataStorage\DataStddforage.exe
"C:\Program Files\DataStorage\DataStddforage.exe"
1⤵
- Executes dropped EXE
PID:4556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\DataStorage\DataStddforage.exe

Filesize
914KB

MD5
b9f085290297f38b044db9972812c826

SHA1
496f122b6be87a63b68368ad4cbcad814c342672

SHA256
a0f4041aee9c0195618c9a4ce20f4e68b4902fba611888287df70ae6134b57e9

SHA512
f818d1cc3627e32bf30ee1a2ee6800ba858eaa08a3b5a37e9e7ac4fde545c0c1d71ff062ac9da4392ec53053521f4c336a36e6bb2e925d89e0211197f591cf01

Download Submit
C:\Program Files\DataStorage\DataStddforage.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

Filesize
425B

MD5
4eaca4566b22b01cd3bc115b9b0b2196

SHA1
e743e0792c19f71740416e7b3c061d9f1336bf94

SHA256
34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

SHA512
bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES71F5.tmp

Filesize
1KB

MD5
0bd1b469d665889ec8ee078324fc767d

SHA1
7fd78b927fb96550112c8908caed977ce7a224ea

SHA256
76800806bd1684bc3e428e0aa691022697cdd229ea5dd3efbc4308e0a0e0949d

SHA512
ba3d2aeecfdfd19b81028eabdd88762ad8c4da719f97722b4fed3b42fbf3019fd30cf031ec29e0b46ec61920feb2dfc5919f95a760df73450ab4a4bcd9620e5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nlipoze1.dll

Filesize
76KB

MD5
fa09065199110cb6ec879a45a18f0795

SHA1
6c7128f43d555884f5e8bd3ec212bd6913c94704

SHA256
de0f47f40b46345254d79a354206c7ea08e93a47201900c828d231cae0f2e2af

SHA512
7435c3cf81109d427d2be136b5f65bf7eec0e8f79f6dd81182977fa410f9d0713ee9c5b4365332f8f3ceeab07ca59e1c511f0e9a8c0718d7c865062472bfa57e

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

Filesize
9KB

MD5
913967b216326e36a08010fb70f9dba3

SHA1
7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

SHA256
8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

SHA512
c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSC71F4.tmp

Filesize
676B

MD5
4141a0d33568a2fd58410bfe511b94a2

SHA1
fb685ae125d6a07698e7d050cca3e3d7edf6774f

SHA256
f66f8353e95b584845254ee4458b42dcec7196f85d813c5c32948510345dcbcb

SHA512
836e44838a81bcbf257a49cdd1d72e4a82956cfb3a4d986c3655c65e85ed53fa4743fd80ade2f34bf987b70da849420f8f5be345e3d49346040eacefac9b2d1a

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\nlipoze1.0.cs

Filesize
208KB

MD5
a5ec56f195c61f78e1cbef65102c04f0

SHA1
32b7f903629afd4b1dbba4d8714c2c2bf43fedef

SHA256
6360586f01906f74b959db958f6d550b6b75ffa59ed81e41ec565064dad7e3ab

SHA512
8afdea13e4dbae24b36513554c1dea268b3547d446b7f8d988051e1fecf8617156c38546388028bc4b9817c7378035f44660d63cf6595b5ce2291ffaf7e91433

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\nlipoze1.cmdline

Filesize
349B

MD5
3bd6e26c7426d3e78b0a6f9a2e7c5c14

SHA1
beb8947717d63262e96fc6ad8555c5b069da1ac9

SHA256
449b1f83034fabcfdefd848257fec4dd146d73b3354d547700b2c57f9c08e7b3

SHA512
661e3a5400b743124e861a5248b74d07385368ed537049a10664cff213b2d9d19b95c2eb96a956bf2ea00645e555cf562686c77625c230a85e9810506976c6ab

Download Submit
memory/2200-24-0x0000000001430000-0x0000000001442000-memory.dmp

Filesize
72KB

Download
memory/2200-1-0x00007FFD015E0000-0x00007FFD01F81000-memory.dmp

Filesize
9.6MB

Download
memory/2200-8-0x000000001C640000-0x000000001C6DC000-memory.dmp

Filesize
624KB

Download
memory/2200-22-0x000000001BAE0000-0x000000001BAF6000-memory.dmp

Filesize
88KB

Download
memory/2200-7-0x000000001C0D0000-0x000000001C59E000-memory.dmp

Filesize
4.8MB

Download
memory/2200-6-0x0000000001490000-0x00000000014A0000-memory.dmp

Filesize
64KB

Download
memory/2200-25-0x00000000013B0000-0x00000000013B8000-memory.dmp

Filesize
32KB

Download
memory/2200-5-0x00007FFD015E0000-0x00007FFD01F81000-memory.dmp

Filesize
9.6MB

Download
memory/2200-4-0x000000001BAA0000-0x000000001BAAE000-memory.dmp

Filesize
56KB

Download
memory/2200-0-0x000000001B9C0000-0x000000001BA1C000-memory.dmp

Filesize
368KB

Download
memory/2200-40-0x00007FFD015E0000-0x00007FFD01F81000-memory.dmp

Filesize
9.6MB

Download
memory/2496-42-0x00007FFCFE420000-0x00007FFCFEEE1000-memory.dmp

Filesize
10.8MB

Download
memory/2496-43-0x0000000002D40000-0x0000000002D50000-memory.dmp

Filesize
64KB

Download
memory/2496-44-0x0000000002D30000-0x0000000002D42000-memory.dmp

Filesize
72KB

Download
memory/2496-45-0x000000001B810000-0x000000001B85E000-memory.dmp

Filesize
312KB

Download
memory/2496-47-0x000000001BDF0000-0x000000001BE08000-memory.dmp

Filesize
96KB

Download
memory/2496-48-0x000000001BF10000-0x000000001BF20000-memory.dmp

Filesize
64KB

Download
memory/2496-74-0x0000000002D40000-0x0000000002D50000-memory.dmp

Filesize
64KB

Download
memory/2496-41-0x0000000000BA0000-0x0000000000C8A000-memory.dmp

Filesize
936KB

Download
memory/2496-73-0x00007FFCFE420000-0x00007FFCFEEE1000-memory.dmp

Filesize
10.8MB

Download
memory/3052-75-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/3052-69-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/4532-14-0x0000000002320000-0x0000000002330000-memory.dmp

Filesize
64KB

Download
memory/4556-72-0x00007FFCFE420000-0x00007FFCFEEE1000-memory.dmp

Filesize
10.8MB

Download
memory/4556-52-0x000000001BFE0000-0x000000001BFF0000-memory.dmp

Filesize
64KB

Download
memory/4556-49-0x00007FFCFE420000-0x00007FFCFEEE1000-memory.dmp

Filesize
10.8MB

Download
memory/4588-70-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/4588-65-0x00000000747F0000-0x0000000074FA0000-memory.dmp

Filesize
7.7MB

Download
memory/4588-64-0x0000000000E60000-0x0000000000E68000-memory.dmp

Filesize
32KB

Download