710a3d73ea64dde20329a66cdc1c1267c380b501407924d2872ba8e1bbce3ef0

Analysis

max time kernel
150s
max time network
135s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 07:01

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General

Target

0d55c3e47ab628c2cd9908d868715f7f.exe
Size

86KB
MD5

0d55c3e47ab628c2cd9908d868715f7f
SHA1

c6c983efba89aa61dcd2247c8771630ec00e9bcf
SHA256

710a3d73ea64dde20329a66cdc1c1267c380b501407924d2872ba8e1bbce3ef0
SHA512

6b42838930f09e7f4d1792f9c73afa8d948f82ddd593931966ee1f0125d54f5df15a36ee2d0d75e243bd8060ade7fbf96876a40d6fbaf678c2420b1a25adb7d4
SSDEEP

1536:XYueX5YXNGQafXCbHRFEm88L2zYGp3JlMT4a26KLaDz:o2FgLm88LaY6Tg4a26KLaDz

Score

8^/10

evasion persistence

Malware Config

Signatures

Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003
Modifies service settings 1 TTPs
Alters the configuration of existing services.
evasion

Windows Service
T1543.003

Sets DLL path for service in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\AppMgmt\Parameters\ServiceDll = "C:\\Progra~1\\%Program Files%\\109.URL"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\AppMgmt\Parameters\ServiceDll = "C:\\Progra~1\\%Program Files%\\109.URL"	laass.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a0000000133b1-9.dat	acprotect

Deletes itself 1 IoCs

pid	Process
2292	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	laass.exe

Loads dropped DLL 7 IoCs

pid	Process
840	rundll32.exe
2872	cmd.exe
2872	cmd.exe
2872	cmd.exe
2872	cmd.exe
2872	cmd.exe
2744	laass.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ = "file:C:\\Progra~1\\%Progr~1\\DEST.BAT"	laass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ = "file:C:\\Progra~1\\%Progr~1\\DEST.BAT"	rundll32.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Progra~1\%Program Files%\109.URL	0d55c3e47ab628c2cd9908d868715f7f.exe
File opened for modification	C:\Progra~1\%Program Files%\109.URL	0d55c3e47ab628c2cd9908d868715f7f.exe
File created	C:\Progra~1\%Program Files%\111.URL	0d55c3e47ab628c2cd9908d868715f7f.exe
File opened for modification	C:\Progra~1\%Program Files%\111.URL	0d55c3e47ab628c2cd9908d868715f7f.exe
File created	C:\Progra~1\%Program Files%\Dest.BAt	0d55c3e47ab628c2cd9908d868715f7f.exe
File created	C:\Progra~1\%Program Files%\laass.exe	0d55c3e47ab628c2cd9908d868715f7f.exe
File created	C:\Progra~1\%Program Files%\Cest.bat	0d55c3e47ab628c2cd9908d868715f7f.exe
File created	C:\Progra~1\%Program Files%\~	0d55c3e47ab628c2cd9908d868715f7f.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2224	sc.exe
2272	sc.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
2744	laass.exe
2744	laass.exe
2744	laass.exe
2744	laass.exe
2744	laass.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe
840	rundll32.exe
2744	laass.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
840	rundll32.exe
2744	laass.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2932	0d55c3e47ab628c2cd9908d868715f7f.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2872	2932	0d55c3e47ab628c2cd9908d868715f7f.exe	28
PID 2932 wrote to memory of 2872	2932	0d55c3e47ab628c2cd9908d868715f7f.exe	28
PID 2932 wrote to memory of 2872	2932	0d55c3e47ab628c2cd9908d868715f7f.exe	28
PID 2932 wrote to memory of 2872	2932	0d55c3e47ab628c2cd9908d868715f7f.exe	28
PID 2872 wrote to memory of 2272	2872	cmd.exe	30
PID 2872 wrote to memory of 2272	2872	cmd.exe	30
PID 2872 wrote to memory of 2272	2872	cmd.exe	30
PID 2872 wrote to memory of 2272	2872	cmd.exe	30
PID 2932 wrote to memory of 840	2932	0d55c3e47ab628c2cd9908d868715f7f.exe	31
PID 2932 wrote to memory of 840	2932	0d55c3e47ab628c2cd9908d868715f7f.exe	31
PID 2932 wrote to memory of 840	2932	0d55c3e47ab628c2cd9908d868715f7f.exe	31
PID 2932 wrote to memory of 840	2932	0d55c3e47ab628c2cd9908d868715f7f.exe	31
PID 2932 wrote to memory of 840	2932	0d55c3e47ab628c2cd9908d868715f7f.exe	31
PID 2932 wrote to memory of 840	2932	0d55c3e47ab628c2cd9908d868715f7f.exe	31
PID 2932 wrote to memory of 840	2932	0d55c3e47ab628c2cd9908d868715f7f.exe	31
PID 2932 wrote to memory of 2292	2932	0d55c3e47ab628c2cd9908d868715f7f.exe	32
PID 2932 wrote to memory of 2292	2932	0d55c3e47ab628c2cd9908d868715f7f.exe	32
PID 2932 wrote to memory of 2292	2932	0d55c3e47ab628c2cd9908d868715f7f.exe	32
PID 2932 wrote to memory of 2292	2932	0d55c3e47ab628c2cd9908d868715f7f.exe	32
PID 2872 wrote to memory of 2224	2872	cmd.exe	33
PID 2872 wrote to memory of 2224	2872	cmd.exe	33
PID 2872 wrote to memory of 2224	2872	cmd.exe	33
PID 2872 wrote to memory of 2224	2872	cmd.exe	33
PID 2872 wrote to memory of 2744	2872	cmd.exe	34
PID 2872 wrote to memory of 2744	2872	cmd.exe	34
PID 2872 wrote to memory of 2744	2872	cmd.exe	34
PID 2872 wrote to memory of 2744	2872	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\0d55c3e47ab628c2cd9908d868715f7f.exe
"C:\Users\Admin\AppData\Local\Temp\0d55c3e47ab628c2cd9908d868715f7f.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Progra~1\%Program Files%\Dest.bat""
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\SysWOW64\sc.exe
    sc \\10.127.0.84 create "WinAudio" binpath= "cmd.exe /c C:\PROGRA~1\%PROGR~1\Cest.bat" start= auto type= interact type= own displayname= "WinAudio"
    3⤵
    - Launches sc.exe
    PID:2272
- - C:\Windows\SysWOW64\sc.exe
    sc \\10.127.0.84 config "WinAudio" binpath= "cmd.exe /c C:\PROGRA~1\%PROGR~1\Cest.bat" start= auto type= interact type= own obj= localsystem password= ""
    3⤵
    - Launches sc.exe
    PID:2224
- - C:\Program Files\%Program Files%\laass.exe
    "C:\Program Files\%Program Files%\laass.exe" 111.URL main
    3⤵
    - Sets DLL path for service in the registry
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    PID:2744
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" 111.URL main
  2⤵
  - Sets DLL path for service in the registry
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:840
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\0D55C3~1.EXE > nul & rd c:\%Progr~1 > nul
  2⤵
  - Deletes itself
  PID:2292

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~1\%Program Files%\111.URL

Filesize
63KB

MD5
04db368b8459cdf3f2295f216ae565cd

SHA1
6a1b47d24b46c15cfdd2f898aa9b5460d184798c

SHA256
b2f1d0bde21b848f813d36e6508ac6bd5c2717a41d161a37648a010e36cc5fc7

SHA512
efb806339228458cf48d6872780ded0eae0dc99851be959e6d6a2d56f4e70b5ebf0ab3d68b48716ae9fd0cf41946e688b1031291dca243b12bd1a047a149ab45

Download Submit
C:\PROGRA~1\%Program Files%\Dest.BAt

Filesize
2KB

MD5
53f7860f3118f5fd1607767cda0773a5

SHA1
424b43bc8e4c9019f6616ea61bbfdf3c58df30a9

SHA256
2ca836f7a6b872cc70f845f96b1d9a8dd46fe96080e5e0219318c19507fb54dd

SHA512
dc948ec57b291c42d07c35b35f99b2886e74d418c2236fce95dae4325a1d3e6240ee28b1cd0abf2586a39b3bbea9ba30771480887585ddefee3e5861be6809e9

Download Submit
C:\Program Files\%Program Files%\laass.exe

Filesize
9KB

MD5
359c541c07a39ab11bb45aad29b2d2ce

SHA1
3c4f277f184ae306a4d0efe1bcb9e03ecabbb9b7

SHA256
6e2378348ebebf5b301744fedb0be396ef4e7e92ad94877da79eed9eb46850d5

SHA512
768050272dd4875a4c2a6a96f6337334c05d1512dfc0cc9ceee883a7c701de5e2e90872a6f9029de5b528b74c07cb8aa61c10f9f9e834f8021e9759136fcfbff

Download Submit
\??\c:\ntldr.sys

Filesize
73B

MD5
d48e2c2f2ccbd4b6d7e7c0e113227513

SHA1
422604808c8a8fe52708b1786366bb388fb8636f

SHA256
401dad9a900b2fc5af77c3d64567f31cc4953d97e14b2b95a9677b4c0159ea49

SHA512
34acead308f248141946f3a19ebc47494c019b3c5048b0a3882c7d5dd89cbd9395873abd642d9a7eddfee841f31e10cc7ebf6aa261f0305f7751fe2ec7c29032

Download Submit
memory/840-20-0x0000000010000000-0x0000000010039000-memory.dmp

Filesize
228KB

Download
memory/840-21-0x0000000010000000-0x0000000010039000-memory.dmp

Filesize
228KB

Download
memory/840-29-0x0000000010000000-0x0000000010039000-memory.dmp

Filesize
228KB

Download
memory/840-54-0x0000000010000000-0x0000000010039000-memory.dmp

Filesize
228KB

Download
memory/2744-51-0x0000000010000000-0x0000000010039000-memory.dmp

Filesize
228KB

Download
memory/2744-53-0x0000000010000000-0x0000000010039000-memory.dmp

Filesize
228KB

Download
memory/2744-55-0x0000000010000000-0x0000000010039000-memory.dmp

Filesize
228KB

Download