c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31e

General

Target

c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe
Size

610KB
MD5

83a0abc914521942dca08ab196ea4a00
SHA1

5c31978803dcd7d0db043e3961f7ef2a70a786a9
SHA256

c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31e
SHA512

eecbaf73e41f4ab09a0736723cd0267e5411a86d6804ccf22316d8bf3746a5ae75724971bb65ba482f69a53cb72844978e86b07ec87e204e8f0aa676651390cb
SSDEEP

12288:eATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:wT+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
3052	5036	WerFault.exe	93
5068	4240	WerFault.exe	81

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	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.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
4240	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe
4240	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5036	winver.exe
4240	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4240 wrote to memory of 5036	4240	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe	93
PID 4240 wrote to memory of 5036	4240	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe	93
PID 4240 wrote to memory of 5036	4240	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe	93
PID 4240 wrote to memory of 5036	4240	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe	93
PID 5036 wrote to memory of 3488	5036	winver.exe	56
PID 4240 wrote to memory of 3488	4240	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe	56
PID 4240 wrote to memory of 2520	4240	c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2520

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe
  "C:\Users\Admin\AppData\Local\Temp\c8ec51a72b9ca02f970114fd0df89858b6083b416e24da0bbcb05a5ee982b31eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4240
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:5036
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5036 -s 300
      4⤵
      Program crash
      PID:3052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4240 -s 940
    3⤵
    - Program crash
    PID:5068

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 5036 -ip 5036
1⤵
PID:4556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4240 -ip 4240
1⤵
PID:1788

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/2520-18-0x0000000000040000-0x0000000000046000-memory.dmp

Filesize
24KB

Download
memory/2520-24-0x0000000000040000-0x0000000000046000-memory.dmp

Filesize
24KB

Download
memory/3488-10-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

Filesize
24KB

Download
memory/3488-9-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

Filesize
24KB

Download
memory/3488-15-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/4240-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4240-7-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

Filesize
4KB

Download
memory/4240-6-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

Filesize
4KB

Download
memory/4240-1-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/4240-4-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

Filesize
4KB

Download
memory/4240-5-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

Filesize
4KB

Download
memory/4240-16-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/4240-3-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/4240-23-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/4240-19-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/4240-2-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

Filesize
4KB

Download

Analysis

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