57aea16d0bb0a2aa26967462d7942b62cc2e8fa85629fd9ca50e0315a32e3527

General

Target

57aea16d0bb0a2aa26967462d7942b62cc2e8fa85629fd9ca50e0315a32e3527N.exe
Size

610KB
MD5

7b2675c0520e8d8716fa3c130e93d310
SHA1

107edf867efd35fa178b9075e74ce3bc5565fab1
SHA256

57aea16d0bb0a2aa26967462d7942b62cc2e8fa85629fd9ca50e0315a32e3527
SHA512

67a7622bdc65ba2d7ada13b1918eb0cf9e376f8c43bf0de4bc3ee3a1e6c9c4ad186926b23439740e2116762d2d19dbb02c722666f9deba4aea3ff09af224aab3
SSDEEP

12288:YATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:GT+KjUdQqboyyWoK1NGqzuhx

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
3600	2932	WerFault.exe	93
1856	2536	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	57aea16d0bb0a2aa26967462d7942b62cc2e8fa85629fd9ca50e0315a32e3527N.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
2536	57aea16d0bb0a2aa26967462d7942b62cc2e8fa85629fd9ca50e0315a32e3527N.exe
2536	57aea16d0bb0a2aa26967462d7942b62cc2e8fa85629fd9ca50e0315a32e3527N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2932	winver.exe
2536	57aea16d0bb0a2aa26967462d7942b62cc2e8fa85629fd9ca50e0315a32e3527N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2932	2536	57aea16d0bb0a2aa26967462d7942b62cc2e8fa85629fd9ca50e0315a32e3527N.exe	93
PID 2536 wrote to memory of 2932	2536	57aea16d0bb0a2aa26967462d7942b62cc2e8fa85629fd9ca50e0315a32e3527N.exe	93
PID 2536 wrote to memory of 2932	2536	57aea16d0bb0a2aa26967462d7942b62cc2e8fa85629fd9ca50e0315a32e3527N.exe	93
PID 2536 wrote to memory of 2932	2536	57aea16d0bb0a2aa26967462d7942b62cc2e8fa85629fd9ca50e0315a32e3527N.exe	93
PID 2932 wrote to memory of 3520	2932	winver.exe	56
PID 2536 wrote to memory of 3520	2536	57aea16d0bb0a2aa26967462d7942b62cc2e8fa85629fd9ca50e0315a32e3527N.exe	56
PID 2536 wrote to memory of 2516	2536	57aea16d0bb0a2aa26967462d7942b62cc2e8fa85629fd9ca50e0315a32e3527N.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2516

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\57aea16d0bb0a2aa26967462d7942b62cc2e8fa85629fd9ca50e0315a32e3527N.exe
  "C:\Users\Admin\AppData\Local\Temp\57aea16d0bb0a2aa26967462d7942b62cc2e8fa85629fd9ca50e0315a32e3527N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2932
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2932 -s 300
      4⤵
      Program crash
      PID:3600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 924
    3⤵
    - Program crash
    PID:1856

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2932 -ip 2932
1⤵
PID:2980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2536 -ip 2536
1⤵
PID:2492

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/2516-23-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2516-17-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2536-18-0x0000000005A80000-0x0000000006480000-memory.dmp

Filesize
10.0MB

Download
memory/2536-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2536-3-0x0000000004630000-0x0000000004C88000-memory.dmp

Filesize
6.3MB

Download
memory/2536-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2536-5-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2536-6-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2536-1-0x0000000004630000-0x0000000004C88000-memory.dmp

Filesize
6.3MB

Download
memory/2536-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2536-22-0x0000000004630000-0x0000000004C88000-memory.dmp

Filesize
6.3MB

Download
memory/2536-15-0x0000000005A80000-0x0000000006480000-memory.dmp

Filesize
10.0MB

Download
memory/3520-8-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download
memory/3520-14-0x0000000000E30000-0x0000000000E36000-memory.dmp

Filesize
24KB

Download
memory/3520-9-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download

Analysis

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