1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 20:31

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General

Target

1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24.exe
Size

256KB
MD5

e83370e109e5f45345ce132e538cfc22
SHA1

ee399a691cae7aab9fd6eb90ac5f7797d937c8e6
SHA256

1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24
SHA512

00fc2cd3c4dfb0a25ac6e9f45ca09966648a2eb8c2668eae676612ba57cc6c308d209f852648283649057821fd2ea273fbb4843c0c7714858a0c9e78493e170b
SSDEEP

6144:jNFxufS6B29w0q83HVfu3vRZZ3jlbtvjzCnvzWMpWgP+v0W7cyqCxSngmMBqf7:ofIDH9AvRZZ3RbtvjzCnvzWMpWV50npX

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3440	1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24.exe

Executes dropped EXE 1 IoCs

pid	Process
3440	1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24.exe

Program crash 5 IoCs

pid	pid_target	Process	procid_target
3128	3576	WerFault.exe	83
1916	3440	WerFault.exe	92
1288	3440	WerFault.exe	92
2920	3440	WerFault.exe	92
4072	3440	WerFault.exe	92

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	1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3576	1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3440	1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 3440	3576	1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24.exe	92
PID 3576 wrote to memory of 3440	3576	1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24.exe	92
PID 3576 wrote to memory of 3440	3576	1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24.exe	92

C:\Users\Admin\AppData\Local\Temp\1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24.exe
"C:\Users\Admin\AppData\Local\Temp\1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 384
  2⤵
  - Program crash
  PID:3128
- C:\Users\Admin\AppData\Local\Temp\1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24.exe
  C:\Users\Admin\AppData\Local\Temp\1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:3440
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 352
    3⤵
    - Program crash
    PID:1916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 768
    3⤵
    - Program crash
    PID:1288
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 808
    3⤵
    - Program crash
    PID:2920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 816
    3⤵
    - Program crash
    PID:4072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3576 -ip 3576
1⤵
PID:1548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3440 -ip 3440
1⤵
PID:1088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3440 -ip 3440
1⤵
PID:5112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 3440 -ip 3440
1⤵
PID:1124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3440 -ip 3440
1⤵
PID:4428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1f31db117f35f3deb434329f28d1f54122e064bf4e403eadc562903c52c53d24.exe

Filesize
256KB

MD5
907f312ebe7eed3a89979f8d1ba6cbda

SHA1
b2f5619692f30df0573cd41e16420c523a588c3e

SHA256
2f52879e5273b422307d622870caf38b932eddc73a4a058ae08d32081ad720f5

SHA512
34bc5dbdc6b3d567c7d3d6892208e1b723ab4609f07fa7c649bfd406779ed681ce073af42ef801c6e2e550d723ba3731e84f3600553935aa37d0f2cec05cf4d6

Download Submit
memory/3440-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3440-8-0x0000000000150000-0x000000000018C000-memory.dmp

Filesize
240KB

Download
memory/3440-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3576-0-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3576-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download