2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1

Analysis

max time kernel
151s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2022, 23:24

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General

Target

2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
Size

497KB
MD5

6ba5330e30af3e475c35aa4e1a3bcae0
SHA1

2414a6af54bb9060137658c3a0630519d12aa058
SHA256

2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1
SHA512

5e65b25ce88e3ee613a490141462fad0e5dfe01e1233469be9bdf1b1ba3d542edc1bb6c81774f4300fd8638d98f9b5736c200396c657715968646d289e04e2a6
SSDEEP

12288:DanhSbDK5mZQK7aXPVBl4WL0w+UdfifU/dUuP/ycV9n+A:DagbDKWF+/VBl4WL0MfSQ/yY+

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\233300\\sysmon.exe\""	sysmon.exe

Executes dropped EXE 2 IoCs

pid	Process
3572	sysmon.exe
3528	sysmon.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\System Monitor = "\"C:\\ProgramData\\233300\\sysmon.exe\""	sysmon.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2876 set thread context of 228	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	88
PID 3572 set thread context of 3528	3572	sysmon.exe	96

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
3796	2876	WerFault.exe	81
2700	3572	WerFault.exe	93

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
3572	sysmon.exe
3572	sysmon.exe
3572	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe
3528	sysmon.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
Token: SeDebugPrivilege	3572	sysmon.exe
Token: SeDebugPrivilege	3528	sysmon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3528	sysmon.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 1472	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	84
PID 2876 wrote to memory of 1472	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	84
PID 2876 wrote to memory of 1472	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	84
PID 2876 wrote to memory of 4576	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	85
PID 2876 wrote to memory of 4576	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	85
PID 2876 wrote to memory of 4576	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	85
PID 2876 wrote to memory of 3008	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	86
PID 2876 wrote to memory of 3008	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	86
PID 2876 wrote to memory of 3008	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	86
PID 2876 wrote to memory of 216	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	87
PID 2876 wrote to memory of 216	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	87
PID 2876 wrote to memory of 216	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	87
PID 2876 wrote to memory of 228	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	88
PID 2876 wrote to memory of 228	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	88
PID 2876 wrote to memory of 228	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	88
PID 2876 wrote to memory of 228	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	88
PID 2876 wrote to memory of 228	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	88
PID 2876 wrote to memory of 228	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	88
PID 2876 wrote to memory of 228	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	88
PID 2876 wrote to memory of 228	2876	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	88
PID 228 wrote to memory of 3572	228	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	93
PID 228 wrote to memory of 3572	228	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	93
PID 228 wrote to memory of 3572	228	2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe	93
PID 3572 wrote to memory of 3528	3572	sysmon.exe	96
PID 3572 wrote to memory of 3528	3572	sysmon.exe	96
PID 3572 wrote to memory of 3528	3572	sysmon.exe	96
PID 3572 wrote to memory of 3528	3572	sysmon.exe	96
PID 3572 wrote to memory of 3528	3572	sysmon.exe	96
PID 3572 wrote to memory of 3528	3572	sysmon.exe	96
PID 3572 wrote to memory of 3528	3572	sysmon.exe	96
PID 3572 wrote to memory of 3528	3572	sysmon.exe	96
PID 3528 wrote to memory of 2700	3528	sysmon.exe	98
PID 3528 wrote to memory of 2700	3528	sysmon.exe	98
PID 3528 wrote to memory of 2700	3528	sysmon.exe	98
PID 3528 wrote to memory of 2700	3528	sysmon.exe	98
PID 3528 wrote to memory of 2700	3528	sysmon.exe	98

C:\Users\Admin\AppData\Local\Temp\2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
"C:\Users\Admin\AppData\Local\Temp\2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Users\Admin\AppData\Local\Temp\2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
  "C:\Users\Admin\AppData\Local\Temp\2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe"
  2⤵
  PID:1472
- C:\Users\Admin\AppData\Local\Temp\2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
  "C:\Users\Admin\AppData\Local\Temp\2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe"
  2⤵
  PID:4576
- C:\Users\Admin\AppData\Local\Temp\2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
  "C:\Users\Admin\AppData\Local\Temp\2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe"
  2⤵
  PID:3008
- C:\Users\Admin\AppData\Local\Temp\2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
  "C:\Users\Admin\AppData\Local\Temp\2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe"
  2⤵
  PID:216
- C:\Users\Admin\AppData\Local\Temp\2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe
  "C:\Users\Admin\AppData\Local\Temp\2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:228
- - C:\ProgramData\233300\sysmon.exe
    "C:\ProgramData\233300\sysmon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3572
  - - C:\ProgramData\233300\sysmon.exe
      "C:\ProgramData\233300\sysmon.exe"
      4⤵
      Modifies WinLogon for persistence
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3528
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 1080
      4⤵
      Program crash
      PID:2700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 1128
  2⤵
  - Program crash
  PID:3796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2876 -ip 2876
1⤵
PID:1416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3572 -ip 3572
1⤵
PID:4116

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\233300\sysmon.exe

Filesize
497KB

MD5
6ba5330e30af3e475c35aa4e1a3bcae0

SHA1
2414a6af54bb9060137658c3a0630519d12aa058

SHA256
2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1

SHA512
5e65b25ce88e3ee613a490141462fad0e5dfe01e1233469be9bdf1b1ba3d542edc1bb6c81774f4300fd8638d98f9b5736c200396c657715968646d289e04e2a6

Download Submit
C:\ProgramData\233300\sysmon.exe

Filesize
497KB

MD5
6ba5330e30af3e475c35aa4e1a3bcae0

SHA1
2414a6af54bb9060137658c3a0630519d12aa058

SHA256
2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1

SHA512
5e65b25ce88e3ee613a490141462fad0e5dfe01e1233469be9bdf1b1ba3d542edc1bb6c81774f4300fd8638d98f9b5736c200396c657715968646d289e04e2a6

Download Submit
C:\ProgramData\233300\sysmon.exe

Filesize
497KB

MD5
6ba5330e30af3e475c35aa4e1a3bcae0

SHA1
2414a6af54bb9060137658c3a0630519d12aa058

SHA256
2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1

SHA512
5e65b25ce88e3ee613a490141462fad0e5dfe01e1233469be9bdf1b1ba3d542edc1bb6c81774f4300fd8638d98f9b5736c200396c657715968646d289e04e2a6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\2882a6849d0575304fec7666418dd986d56129dfe69060df09c6cb513a3617d1.exe.log

Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

Download Submit
memory/228-139-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/228-140-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/228-141-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/228-158-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/2700-153-0x0000000002DE0000-0x0000000002DF7000-memory.dmp

Filesize
92KB

Download
memory/2700-154-0x0000000002DE0000-0x0000000002DF7000-memory.dmp

Filesize
92KB

Download
memory/2700-155-0x0000000002DE0000-0x0000000002DF7000-memory.dmp

Filesize
92KB

Download
memory/2876-142-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/2876-133-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/2876-132-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3528-152-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3528-151-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3572-147-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3572-146-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3572-156-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download