ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663

General

Target

ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe
Size

225KB
MD5

f7c530b83d8b1a0d029861f4b3bb97f4
SHA1

d76b31ae643e49bdb9896a4db8a157d0a863d329
SHA256

ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663
SHA512

9357a487efdf9e0011c5f00808d19211393deb1c3f78f44da4a89f890e9cbbf1225d642a01503067a5ae94e334975dd292e4373507696a2e91d2b5816c48dcff
SSDEEP

6144:tA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:tATuTAnKGwUAW3ycQqgf

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
396	3364	WerFault.exe	104
3984	4272	WerFault.exe	82

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	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.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
4272	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe
4272	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3364	winver.exe
4272	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 3364	4272	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe	104
PID 4272 wrote to memory of 3364	4272	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe	104
PID 4272 wrote to memory of 3364	4272	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe	104
PID 4272 wrote to memory of 3364	4272	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe	104
PID 3364 wrote to memory of 3412	3364	winver.exe	56
PID 4272 wrote to memory of 3412	4272	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe	56
PID 4272 wrote to memory of 2964	4272	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2964

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3412
- C:\Users\Admin\AppData\Local\Temp\ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe
  "C:\Users\Admin\AppData\Local\Temp\ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4272
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3364
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 300
      4⤵
      Program crash
      PID:396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4272 -s 816
    3⤵
    - Program crash
    PID:3984

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3364 -ip 3364
1⤵
PID:1816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4272 -ip 4272
1⤵
PID:3128

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/2964-21-0x0000000000920000-0x0000000000926000-memory.dmp

Filesize
24KB

Download
memory/2964-15-0x0000000000920000-0x0000000000926000-memory.dmp

Filesize
24KB

Download
memory/3412-7-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/3412-13-0x00000000023A0000-0x00000000023A6000-memory.dmp

Filesize
24KB

Download
memory/3412-6-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/4272-4-0x0000000003E50000-0x0000000003E51000-memory.dmp

Filesize
4KB

Download
memory/4272-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4272-1-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/4272-14-0x0000000005B10000-0x0000000006510000-memory.dmp

Filesize
10.0MB

Download
memory/4272-3-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/4272-16-0x0000000005B10000-0x0000000006510000-memory.dmp

Filesize
10.0MB

Download
memory/4272-20-0x0000000004700000-0x0000000004D58000-memory.dmp

Filesize
6.3MB

Download
memory/4272-2-0x0000000003E50000-0x0000000003E51000-memory.dmp

Filesize
4KB

Download

Analysis

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