7cf562e64c088d1c6972b31738c1e0ce59353190b8820c691186dcc14b1cfb5b

General

Target

7cf562e64c088d1c6972b31738c1e0ce59353190b8820c691186dcc14b1cfb5b.exe
Size

225KB
MD5

4acf8717885593e4930aa37a4b4ce635
SHA1

b6ecadbcb0abeb64bc550a52e3c3ff4460e59b51
SHA256

7cf562e64c088d1c6972b31738c1e0ce59353190b8820c691186dcc14b1cfb5b
SHA512

8c91981deb76838fd878b4b6409c595452a18d7120b4bf757d1ea8f7c93ea0d6777525c8851f360389733edf2c0a613d007918e9367f663efd8a9d044a27b00c
SSDEEP

6144:gA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:gATuTAnKGwUAW3ycQqgt

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
3680	3976	WerFault.exe	96
3648	4080	WerFault.exe	83

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	7cf562e64c088d1c6972b31738c1e0ce59353190b8820c691186dcc14b1cfb5b.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
4080	7cf562e64c088d1c6972b31738c1e0ce59353190b8820c691186dcc14b1cfb5b.exe
4080	7cf562e64c088d1c6972b31738c1e0ce59353190b8820c691186dcc14b1cfb5b.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3976	winver.exe
4080	7cf562e64c088d1c6972b31738c1e0ce59353190b8820c691186dcc14b1cfb5b.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3456	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 3976	4080	7cf562e64c088d1c6972b31738c1e0ce59353190b8820c691186dcc14b1cfb5b.exe	96
PID 4080 wrote to memory of 3976	4080	7cf562e64c088d1c6972b31738c1e0ce59353190b8820c691186dcc14b1cfb5b.exe	96
PID 4080 wrote to memory of 3976	4080	7cf562e64c088d1c6972b31738c1e0ce59353190b8820c691186dcc14b1cfb5b.exe	96
PID 4080 wrote to memory of 3976	4080	7cf562e64c088d1c6972b31738c1e0ce59353190b8820c691186dcc14b1cfb5b.exe	96
PID 3976 wrote to memory of 3456	3976	winver.exe	56
PID 4080 wrote to memory of 3456	4080	7cf562e64c088d1c6972b31738c1e0ce59353190b8820c691186dcc14b1cfb5b.exe	56
PID 4080 wrote to memory of 2572	4080	7cf562e64c088d1c6972b31738c1e0ce59353190b8820c691186dcc14b1cfb5b.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2572

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3456
- C:\Users\Admin\AppData\Local\Temp\7cf562e64c088d1c6972b31738c1e0ce59353190b8820c691186dcc14b1cfb5b.exe
  "C:\Users\Admin\AppData\Local\Temp\7cf562e64c088d1c6972b31738c1e0ce59353190b8820c691186dcc14b1cfb5b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4080
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3976
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 300
      4⤵
      Program crash
      PID:3680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 948
    3⤵
    - Program crash
    PID:3648

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3976 -ip 3976
1⤵
PID:4172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4080 -ip 4080
1⤵
PID:2036

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/2572-14-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/2572-20-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/3456-5-0x0000000002AA0000-0x0000000002AA6000-memory.dmp

Filesize
24KB

Download
memory/3456-6-0x0000000002AA0000-0x0000000002AA6000-memory.dmp

Filesize
24KB

Download
memory/3456-12-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/4080-1-0x0000000004570000-0x0000000004BC8000-memory.dmp

Filesize
6.3MB

Download
memory/4080-2-0x0000000003CD0000-0x0000000003CD1000-memory.dmp

Filesize
4KB

Download
memory/4080-3-0x0000000004570000-0x0000000004BC8000-memory.dmp

Filesize
6.3MB

Download
memory/4080-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4080-11-0x0000000005780000-0x0000000006180000-memory.dmp

Filesize
10.0MB

Download
memory/4080-15-0x0000000005780000-0x0000000006180000-memory.dmp

Filesize
10.0MB

Download
memory/4080-19-0x0000000004570000-0x0000000004BC8000-memory.dmp

Filesize
6.3MB

Download

Analysis

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