c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc

General

Target

c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe
Size

225KB
MD5

0a3fda04aa3944e8c367da598a6644e7
SHA1

6913cfa5bbe7b6a722ca945b180ff34a9dec1817
SHA256

c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc
SHA512

4d9ef53e9aa76d2e6901c33209ef132a6f813b4a855b41cd0b868f928aebf724244acdf3e439af22689b1e9b6ad5303f840705a5c6b343be1555a1e1768ecafb
SSDEEP

6144:4A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:4ATuTAnKGwUAW3ycQqgf

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
3596	2900	WerFault.exe	92
532	1984	WerFault.exe	86

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	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.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
1984	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe
1984	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2900	winver.exe
1984	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3376	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2900	1984	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe	92
PID 1984 wrote to memory of 2900	1984	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe	92
PID 1984 wrote to memory of 2900	1984	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe	92
PID 1984 wrote to memory of 2900	1984	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe	92
PID 2900 wrote to memory of 3376	2900	winver.exe	55
PID 1984 wrote to memory of 3376	1984	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe	55
PID 1984 wrote to memory of 2648	1984	c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3376
- C:\Users\Admin\AppData\Local\Temp\c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe
  "C:\Users\Admin\AppData\Local\Temp\c7afd05f8dbe2873f1c6cc31242f8a24f350cd9bff3f6d3d69f22304f7266dbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2900
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 300
      4⤵
      Program crash
      PID:3596
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 980
    3⤵
    - Program crash
    PID:532

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2900 -ip 2900
1⤵
PID:4352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1984 -ip 1984
1⤵
PID:376

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

Loading Replay Monitor...

Downloads

memory/1984-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1984-2-0x0000000003E40000-0x0000000003E41000-memory.dmp

Filesize
4KB

Download
memory/1984-3-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/1984-4-0x0000000003E40000-0x0000000003E41000-memory.dmp

Filesize
4KB

Download
memory/1984-1-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/1984-11-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/1984-16-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/1984-20-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/2648-14-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2648-21-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/3376-6-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/3376-7-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/3376-12-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing