616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021ab

General

Target

616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe
Size

610KB
MD5

8a686d18774295c6a3dc8706a253f690
SHA1

6293f27d109a33f17fab7d5838156bfe519681d5
SHA256

616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021ab
SHA512

6a6ec028692c1824a65712171214a413972c5b1ada3cf428275d057b4f9c31c7c23a2a346e4d021aa00d8a9bee65c721ad08ea26b1984f53004f26b8785ac3d0
SSDEEP

12288:XATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:dT+KjUdQqboyyWoK1NGqzuhb

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2348	2620	WerFault.exe	99
4496	2052	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2052	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe
2052	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2620	winver.exe
2052	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3408	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 2620	2052	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe	99
PID 2052 wrote to memory of 2620	2052	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe	99
PID 2052 wrote to memory of 2620	2052	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe	99
PID 2052 wrote to memory of 2620	2052	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe	99
PID 2620 wrote to memory of 3408	2620	winver.exe	55
PID 2052 wrote to memory of 3408	2052	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe	55
PID 2052 wrote to memory of 3004	2052	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3004

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3408
- C:\Users\Admin\AppData\Local\Temp\616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe
  "C:\Users\Admin\AppData\Local\Temp\616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2620
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 300
      4⤵
      Program crash
      PID:2348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 920
    3⤵
    - Program crash
    PID:4496

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2620 -ip 2620
1⤵
PID:4064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2052 -ip 2052
1⤵
PID:3696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2052-13-0x0000000005710000-0x0000000006110000-memory.dmp

Filesize
10.0MB

Download
memory/2052-21-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download
memory/2052-3-0x0000000003D60000-0x0000000003D61000-memory.dmp

Filesize
4KB

Download
memory/2052-4-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download
memory/2052-5-0x0000000003D60000-0x0000000003D61000-memory.dmp

Filesize
4KB

Download
memory/2052-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2052-17-0x0000000005710000-0x0000000006110000-memory.dmp

Filesize
10.0MB

Download
memory/2052-1-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download
memory/2052-2-0x0000000003D60000-0x0000000003D61000-memory.dmp

Filesize
4KB

Download
memory/3004-16-0x0000000000030000-0x0000000000036000-memory.dmp

Filesize
24KB

Download
memory/3004-22-0x0000000000030000-0x0000000000036000-memory.dmp

Filesize
24KB

Download
memory/3408-8-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/3408-14-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/3408-7-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download

Analysis

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