f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab

General

Target

f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe
Size

610KB
MD5

78961411dcead8b915eaa86bf5754cbd
SHA1

a5a52b49fce3a07c5be4d5ac3386dabad96a98a8
SHA256

f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab
SHA512

cd2d9480cc67915e0452878ae8cff5c8528902e9ebc0af0170d2528d8f74ce97f3f21836209d7b055c67f9f18a96d27b29e59ab79b3cd971f435f48231c166e8
SSDEEP

12288:2ATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:IT+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
2720	1564	WerFault.exe	102
3036	552	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	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.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
552	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe
552	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1564	winver.exe
552	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 1564	552	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe	102
PID 552 wrote to memory of 1564	552	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe	102
PID 552 wrote to memory of 1564	552	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe	102
PID 552 wrote to memory of 1564	552	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe	102
PID 1564 wrote to memory of 3452	1564	winver.exe	56
PID 552 wrote to memory of 3452	552	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe	56
PID 552 wrote to memory of 2868	552	f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2868

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe
  "C:\Users\Admin\AppData\Local\Temp\f772c390483e50db742baff0d0fd1eb1bbbb68ad6296f94865fb8cb031877fab.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:552
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1564
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1564 -s 300
      4⤵
      Program crash
      PID:2720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 552 -s 884
    3⤵
    - Program crash
    PID:3036

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1564 -ip 1564
1⤵
PID:4644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 552 -ip 552
1⤵
PID:4160

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/552-15-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/552-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/552-3-0x00000000046A0000-0x0000000004CF8000-memory.dmp

Filesize
6.3MB

Download
memory/552-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/552-5-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/552-6-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/552-7-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/552-23-0x00000000046A0000-0x0000000004CF8000-memory.dmp

Filesize
6.3MB

Download
memory/552-19-0x0000000005AB0000-0x00000000064B0000-memory.dmp

Filesize
10.0MB

Download
memory/552-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/552-1-0x00000000046A0000-0x0000000004CF8000-memory.dmp

Filesize
6.3MB

Download
memory/2868-18-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/2868-24-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/3452-16-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download
memory/3452-10-0x0000000001030000-0x0000000001036000-memory.dmp

Filesize
24KB

Download
memory/3452-9-0x0000000001030000-0x0000000001036000-memory.dmp

Filesize
24KB

Download

Analysis

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