orcus | 5bc3eccc25b7a8b566200307534681641b7097061f9cfd33bf4621025ff8486e

Analysis

max time kernel
149s
max time network
144s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
14-11-2024 20:11

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General

Target

sfgsegesg.exe
Size

840KB
MD5

9962f7e10a4120a238ca43d010b0b532
SHA1

60ca3f4542467a99c3ed56808316322cf4d028d8
SHA256

5bc3eccc25b7a8b566200307534681641b7097061f9cfd33bf4621025ff8486e
SHA512

7461fa22b600fdbcbf2fe38d25aca926a0f04e1bc198d21094db6dbd94e515027c03dfaa49f258b354025e6d0230fa17dbab2b15d8edb283a06eb2229568ce69
SSDEEP

24576:A9KS04YNEMuExDiU6E5R9s8xY/2l/dO5Ibt+rY:A9G4auS+UjfU2TQIbt+r

Score

10^/10

orcus bseg discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

Botnet

bseg

5email-hitting.gl.at.ply.gg

Mutex

7016723c73724de18e276dfdfeca772b

Attributes

administration_rights_required
false
anti_debugger
false
anti_tcp_analyzer
false
antivm
false
autostart_method
1
change_creation_date
false
force_installer_administrator_privileges
false
hide_file
false
install
false
installation_folder
%appdata%\Microsoft\Speech\AudioDriver.exe
installservice
false
keylogger_enabled
false
newcreationdate
11/14/2024 21:10:47
plugins
AgEAAA==
reconnect_delay
10000
registry_autostart_keyname
Audio HD Driver
registry_hidden_autostart
false
set_admin_flag
false
tasksch_name
Audio HD Driver
tasksch_request_highest_privileges
false
try_other_autostart_onfail
false

aes.plain

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
3036	AudioDriver.exe

Loads dropped DLL 1 IoCs

pid	Process
1712	sfgsegesg.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 3 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	AudioDriver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sfgsegesg.exe

Enumerates system info in registry 2 TTPs 32 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\MultifunctionAdapter\0\KeyboardController	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController\0\KeyboardPeripheral\0\Identifier	csrss.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\2	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController\0\Configuration Data	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\Configuration Data	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\MultifunctionAdapter\1\KeyboardController	csrss.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController\0\KeyboardPeripheral	csrss.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\2\Configuration Data	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\2\Identifier	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController\0\KeyboardPeripheral\0\Configuration Data	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController\0\KeyboardPeripheral\0\Component Information	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\1	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\1\Component Information	csrss.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\1	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\MultifunctionAdapter\0\KeyboardController\0\KeyboardPeripheral	csrss.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\1\Identifier	csrss.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\1\Configuration Data	csrss.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\MultifunctionAdapter\0\KeyboardController\0	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController\0\Component Information	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\MultifunctionAdapter\0\KeyboardController\0\KeyboardPeripheral\0	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter	csrss.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\Component Information	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\2	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\2\Component Information	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\KeyboardController\0\Identifier	csrss.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0	csrss.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\Identifier	csrss.exe

Modifies data under HKEY_USERS 9 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\Control Panel\Desktop\MuiCached\MachinePreferredUILanguages = 65006e002d00550053000000	winlogon.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\ThemeManager	winlogon.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\ThemeManager\ThemeActive = "1"	winlogon.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\ThemeManager\ColorName = "NormalColor"	winlogon.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\ThemeManager\SizeName = "NormalSize"	winlogon.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\ThemeManager\LoadedBefore = "1"	winlogon.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\ThemeManager\LastUserLangID = "1033"	winlogon.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\ThemeManager\LastLoadedDPI = "96"	winlogon.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\ThemeManager\DllName = "%SystemRoot%\\resources\\themes\\Aero\\Aero.msstyles"	winlogon.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3036	AudioDriver.exe
3036	AudioDriver.exe
3036	AudioDriver.exe
3036	AudioDriver.exe
3036	AudioDriver.exe
3036	AudioDriver.exe
3036	AudioDriver.exe
3036	AudioDriver.exe
3036	AudioDriver.exe
3036	AudioDriver.exe
3036	AudioDriver.exe
3036	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	3036	AudioDriver.exe
Token: SeShutdownPrivilege	2520	LogonUI.exe
Token: SeShutdownPrivilege	2520	LogonUI.exe
Token: SeSecurityPrivilege	2508	winlogon.exe
Token: SeBackupPrivilege	2508	winlogon.exe
Token: SeSecurityPrivilege	2508	winlogon.exe
Token: SeTcbPrivilege	2508	winlogon.exe
Token: SeShutdownPrivilege	2520	LogonUI.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3036	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
3036	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3036	AudioDriver.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 3036	1712	sfgsegesg.exe	30
PID 1712 wrote to memory of 3036	1712	sfgsegesg.exe	30
PID 1712 wrote to memory of 3036	1712	sfgsegesg.exe	30
PID 1712 wrote to memory of 3036	1712	sfgsegesg.exe	30
PID 1360 wrote to memory of 2520	1360	csrss.exe	36
PID 1360 wrote to memory of 2520	1360	csrss.exe	36
PID 2508 wrote to memory of 2520	2508	winlogon.exe	36
PID 2508 wrote to memory of 2520	2508	winlogon.exe	36
PID 2508 wrote to memory of 2520	2508	winlogon.exe	36
PID 1360 wrote to memory of 2520	1360	csrss.exe	36
PID 1360 wrote to memory of 2520	1360	csrss.exe	36
PID 1360 wrote to memory of 2520	1360	csrss.exe	36
PID 1360 wrote to memory of 2520	1360	csrss.exe	36
PID 1360 wrote to memory of 2520	1360	csrss.exe	36
PID 1360 wrote to memory of 2520	1360	csrss.exe	36
PID 1360 wrote to memory of 2520	1360	csrss.exe	36
PID 1360 wrote to memory of 2520	1360	csrss.exe	36
PID 1360 wrote to memory of 2520	1360	csrss.exe	36

C:\Users\Admin\AppData\Local\Temp\sfgsegesg.exe
"C:\Users\Admin\AppData\Local\Temp\sfgsegesg.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:3036

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:2896

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
PID:1360

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Windows\system32\LogonUI.exe
  "LogonUI.exe" /flags:0x0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2520

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:\Users\Admin\AppData\Local\Temp\Cab427E.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

Filesize
840KB

MD5
9962f7e10a4120a238ca43d010b0b532

SHA1
60ca3f4542467a99c3ed56808316322cf4d028d8

SHA256
5bc3eccc25b7a8b566200307534681641b7097061f9cfd33bf4621025ff8486e

SHA512
7461fa22b600fdbcbf2fe38d25aca926a0f04e1bc198d21094db6dbd94e515027c03dfaa49f258b354025e6d0230fa17dbab2b15d8edb283a06eb2229568ce69

Download Submit
memory/1712-4-0x00000000004A0000-0x00000000004EC000-memory.dmp

Filesize
304KB

Download
memory/1712-1-0x0000000000C60000-0x0000000000D38000-memory.dmp

Filesize
864KB

Download
memory/1712-0-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/1712-7-0x0000000002140000-0x000000000218E000-memory.dmp

Filesize
312KB

Download
memory/1712-2-0x0000000000280000-0x000000000028A000-memory.dmp

Filesize
40KB

Download
memory/1712-3-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/1712-14-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/3036-16-0x0000000000970000-0x0000000000A48000-memory.dmp

Filesize
864KB

Download
memory/3036-17-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/3036-18-0x0000000001F40000-0x0000000001F50000-memory.dmp

Filesize
64KB

Download
memory/3036-15-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/3036-35-0x00000000041B0000-0x00000000041BC000-memory.dmp

Filesize
48KB

Download
memory/3036-36-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/3036-37-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download