1f2cd4798625f784e82fd81b3e87576d42072e3e3abd4360fd8d4d13b572d206

General

Target

1f2cd4798625f784e82fd81b3e87576d42072e3e3abd4360fd8d4d13b572d206.exe
Size

237KB
MD5

3a64b94466f511700e8e223c326a24fe
SHA1

ac16d4c51cf5daf2d675e42b689f338cb384172f
SHA256

1f2cd4798625f784e82fd81b3e87576d42072e3e3abd4360fd8d4d13b572d206
SHA512

fbacfdf9ee6d5a44f0a732de67b48fd8082a11751be0f9a16d2263863f5ce6b9817af3bafb96974d54afb1e14540b70a2d8b280994e94edfc86c5c8111f6f386
SSDEEP

6144:CA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYw:CATuTAnKGwUAWVycQqg7

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
2056	4816	WerFault.exe	93
2000	4992	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	1f2cd4798625f784e82fd81b3e87576d42072e3e3abd4360fd8d4d13b572d206.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
4992	1f2cd4798625f784e82fd81b3e87576d42072e3e3abd4360fd8d4d13b572d206.exe
4992	1f2cd4798625f784e82fd81b3e87576d42072e3e3abd4360fd8d4d13b572d206.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3356	Explorer.EXE
Token: SeCreatePagefilePrivilege	3356	Explorer.EXE
Token: SeShutdownPrivilege	3356	Explorer.EXE
Token: SeCreatePagefilePrivilege	3356	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4816	winver.exe
4992	1f2cd4798625f784e82fd81b3e87576d42072e3e3abd4360fd8d4d13b572d206.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 4816	4992	1f2cd4798625f784e82fd81b3e87576d42072e3e3abd4360fd8d4d13b572d206.exe	93
PID 4992 wrote to memory of 4816	4992	1f2cd4798625f784e82fd81b3e87576d42072e3e3abd4360fd8d4d13b572d206.exe	93
PID 4992 wrote to memory of 4816	4992	1f2cd4798625f784e82fd81b3e87576d42072e3e3abd4360fd8d4d13b572d206.exe	93
PID 4992 wrote to memory of 4816	4992	1f2cd4798625f784e82fd81b3e87576d42072e3e3abd4360fd8d4d13b572d206.exe	93
PID 4816 wrote to memory of 3356	4816	winver.exe	55
PID 4992 wrote to memory of 3356	4992	1f2cd4798625f784e82fd81b3e87576d42072e3e3abd4360fd8d4d13b572d206.exe	55
PID 4992 wrote to memory of 2876	4992	1f2cd4798625f784e82fd81b3e87576d42072e3e3abd4360fd8d4d13b572d206.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2876

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3356
- C:\Users\Admin\AppData\Local\Temp\1f2cd4798625f784e82fd81b3e87576d42072e3e3abd4360fd8d4d13b572d206.exe
  "C:\Users\Admin\AppData\Local\Temp\1f2cd4798625f784e82fd81b3e87576d42072e3e3abd4360fd8d4d13b572d206.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4992
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4816
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 300
      4⤵
      Program crash
      PID:2056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 972
    3⤵
    - Program crash
    PID:2000

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 4816 -ip 4816
1⤵
PID:1600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4992 -ip 4992
1⤵
PID:3720

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/2876-13-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/2876-19-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3356-5-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download
memory/3356-6-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download
memory/3356-11-0x00000000012E0000-0x00000000012E6000-memory.dmp

Filesize
24KB

Download
memory/4992-1-0x00000000046A0000-0x0000000004CF8000-memory.dmp

Filesize
6.3MB

Download
memory/4992-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/4992-3-0x00000000046A0000-0x0000000004CF8000-memory.dmp

Filesize
6.3MB

Download
memory/4992-7-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/4992-10-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/4992-14-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/4992-18-0x00000000046A0000-0x0000000004CF8000-memory.dmp

Filesize
6.3MB

Download

Analysis

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