f9fda6d51d741d26151624d69fc6583a798dc1c8dac5046c4f31b88705463c1a

General

Target

f9fda6d51d741d26151624d69fc6583a798dc1c8dac5046c4f31b88705463c1aN.exe
Size

225KB
MD5

7838ccf583ef7176fd5d304cb90d2c50
SHA1

6e8231fe4367847d334d8225e0cdada5da745ca6
SHA256

f9fda6d51d741d26151624d69fc6583a798dc1c8dac5046c4f31b88705463c1a
SHA512

2059d711b93a84969da67c8a0b0604c816a993fd456123db3a1dd6d4677e688325967a515bcb999448ed1596755316caf4980f23e3e32100e150276277d1321a
SSDEEP

6144:eA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:eATuTAnKGwUAW3ycQqgf

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
968	4976	WerFault.exe	93
3784	368	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	f9fda6d51d741d26151624d69fc6583a798dc1c8dac5046c4f31b88705463c1aN.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
368	f9fda6d51d741d26151624d69fc6583a798dc1c8dac5046c4f31b88705463c1aN.exe
368	f9fda6d51d741d26151624d69fc6583a798dc1c8dac5046c4f31b88705463c1aN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4976	winver.exe
368	f9fda6d51d741d26151624d69fc6583a798dc1c8dac5046c4f31b88705463c1aN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 368 wrote to memory of 4976	368	f9fda6d51d741d26151624d69fc6583a798dc1c8dac5046c4f31b88705463c1aN.exe	93
PID 368 wrote to memory of 4976	368	f9fda6d51d741d26151624d69fc6583a798dc1c8dac5046c4f31b88705463c1aN.exe	93
PID 368 wrote to memory of 4976	368	f9fda6d51d741d26151624d69fc6583a798dc1c8dac5046c4f31b88705463c1aN.exe	93
PID 368 wrote to memory of 4976	368	f9fda6d51d741d26151624d69fc6583a798dc1c8dac5046c4f31b88705463c1aN.exe	93
PID 4976 wrote to memory of 3396	4976	winver.exe	55
PID 368 wrote to memory of 3396	368	f9fda6d51d741d26151624d69fc6583a798dc1c8dac5046c4f31b88705463c1aN.exe	55
PID 368 wrote to memory of 2952	368	f9fda6d51d741d26151624d69fc6583a798dc1c8dac5046c4f31b88705463c1aN.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2952

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3396
- C:\Users\Admin\AppData\Local\Temp\f9fda6d51d741d26151624d69fc6583a798dc1c8dac5046c4f31b88705463c1aN.exe
  "C:\Users\Admin\AppData\Local\Temp\f9fda6d51d741d26151624d69fc6583a798dc1c8dac5046c4f31b88705463c1aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:368
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4976
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 300
      4⤵
      Program crash
      PID:968
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 368 -s 888
    3⤵
    - Program crash
    PID:3784

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4976 -ip 4976
1⤵
PID:3948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 368 -ip 368
1⤵
PID:4696

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/368-14-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/368-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/368-3-0x0000000004680000-0x0000000004CD8000-memory.dmp

Filesize
6.3MB

Download
memory/368-4-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/368-5-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/368-6-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/368-7-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/368-23-0x0000000004680000-0x0000000004CD8000-memory.dmp

Filesize
6.3MB

Download
memory/368-19-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/368-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/368-1-0x0000000004680000-0x0000000004CD8000-memory.dmp

Filesize
6.3MB

Download
memory/2952-18-0x0000000000E70000-0x0000000000E76000-memory.dmp

Filesize
24KB

Download
memory/2952-24-0x0000000000E70000-0x0000000000E76000-memory.dmp

Filesize
24KB

Download
memory/3396-15-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/3396-10-0x0000000000A90000-0x0000000000A96000-memory.dmp

Filesize
24KB

Download
memory/3396-9-0x0000000000A90000-0x0000000000A96000-memory.dmp

Filesize
24KB

Download

Analysis

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