af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac

General

Target

af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac.exe
Size

1.2MB
MD5

451644aa5b271c3ddab56547d83b5144
SHA1

ce65d3d09e32ce7928c117fa9f652708de2cb5c0
SHA256

af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac
SHA512

c01e0d3e00e67c786dbd56dbf6d2e3070a4f29e49d6fb7194961f50fae064a1a416e291a28a496ba9d4cd78521d36f66c319979b04907a1b49a02e2afa7b8229
SSDEEP

24576:pbeXU9l7Sz/Q9Th2G2ojLgFfPvV8jU/x:R34z6ThhbU/x

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3976	10238115.exe

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\10238115 = "C:\\ProgramData\\10238115\\10238115.exe"	af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	10238115.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\10238115 = "C:\\PROGRA~3\\10238115\\10238115.exe"	10238115.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3780	3248	WerFault.exe	81
3512	3976	WerFault.exe	88

Kills process with taskkill 1 IoCs

evasion

pid	Process
3684	taskkill.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3976	10238115.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3684	taskkill.exe

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
3976	10238115.exe
3976	10238115.exe
3976	10238115.exe
3976	10238115.exe
3976	10238115.exe
3976	10238115.exe
3976	10238115.exe
3976	10238115.exe

Suspicious use of SendNotifyMessage 8 IoCs

pid	Process
3976	10238115.exe
3976	10238115.exe
3976	10238115.exe
3976	10238115.exe
3976	10238115.exe
3976	10238115.exe
3976	10238115.exe
3976	10238115.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3248 wrote to memory of 4836	3248	af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac.exe	84
PID 3248 wrote to memory of 4836	3248	af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac.exe	84
PID 3248 wrote to memory of 4836	3248	af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac.exe	84
PID 4836 wrote to memory of 3684	4836	cmd.exe	86
PID 4836 wrote to memory of 3684	4836	cmd.exe	86
PID 4836 wrote to memory of 3684	4836	cmd.exe	86
PID 4836 wrote to memory of 176	4836	cmd.exe	87
PID 4836 wrote to memory of 176	4836	cmd.exe	87
PID 4836 wrote to memory of 176	4836	cmd.exe	87
PID 176 wrote to memory of 3976	176	cmd.exe	88
PID 176 wrote to memory of 3976	176	cmd.exe	88
PID 176 wrote to memory of 3976	176	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac.exe
"C:\Users\Admin\AppData\Local\Temp\af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3248
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3248 -s 488
  2⤵
  - Program crash
  PID:3780
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\ProgramData\10238115\10238115.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4836
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac.exe /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3684
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c start C:\PROGRA~3\10238115\10238115.exe /install
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:176
  - - C:\PROGRA~3\10238115\10238115.exe
      C:\PROGRA~3\10238115\10238115.exe /install
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      PID:3976
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 500
        5⤵
        Program crash
        
        PID:3512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3248 -ip 3248
1⤵
PID:1884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3976 -ip 3976
1⤵
PID:3108

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\10238115\10238115.exe

Filesize
1.2MB

MD5
451644aa5b271c3ddab56547d83b5144

SHA1
ce65d3d09e32ce7928c117fa9f652708de2cb5c0

SHA256
af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac

SHA512
c01e0d3e00e67c786dbd56dbf6d2e3070a4f29e49d6fb7194961f50fae064a1a416e291a28a496ba9d4cd78521d36f66c319979b04907a1b49a02e2afa7b8229

Download Submit
C:\ProgramData\10238115\10238115.bat

Filesize
322B

MD5
20b93bc37707d3e7d9d1a0264a3b118d

SHA1
50ce264465c5e8905a57054e03a23e296f3c3a77

SHA256
4ee02ff669cd765f6c0bf6adcf11ee93a4903b5b0cec37266345ce465327a7e5

SHA512
b82069edbd1e9a29120726a49f14c86eb691a441c241d914427a991cee5cfca3879f1b664eb30f76bf68b1ac2bb0ffd54e15f7eb5d66a618465363aa19aaa9a3

Download Submit
C:\ProgramData\10238115\10238115.exe

Filesize
1.2MB

MD5
451644aa5b271c3ddab56547d83b5144

SHA1
ce65d3d09e32ce7928c117fa9f652708de2cb5c0

SHA256
af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac

SHA512
c01e0d3e00e67c786dbd56dbf6d2e3070a4f29e49d6fb7194961f50fae064a1a416e291a28a496ba9d4cd78521d36f66c319979b04907a1b49a02e2afa7b8229

Download Submit
memory/3248-133-0x00000000008D2000-0x00000000008D5000-memory.dmp

Filesize
12KB

Download
memory/3248-135-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/3248-136-0x00000000008D2000-0x00000000008D5000-memory.dmp

Filesize
12KB

Download
memory/3248-132-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/3976-143-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/3976-144-0x0000000000802000-0x0000000000805000-memory.dmp

Filesize
12KB

Download
memory/3976-145-0x0000000000400000-0x00000000005DD000-memory.dmp

Filesize
1.9MB

Download
memory/3976-146-0x0000000000802000-0x0000000000805000-memory.dmp

Filesize
12KB

Download

Analysis

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