c6b00db4ce342ff378bd8c1ccd7acb607246d334d645bdaa64887407d1094d4c

Analysis

max time kernel
2s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 23:33

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General

Target

2025b9e26267efead64f719a14f37633.exe
Size

2.0MB
MD5

2025b9e26267efead64f719a14f37633
SHA1

b7f117b1fd51f8fdd74c62a4b5e9c2f1537795f9
SHA256

c6b00db4ce342ff378bd8c1ccd7acb607246d334d645bdaa64887407d1094d4c
SHA512

76ec3d7b2704326bdfe44333307cc693f95de84898672b6704532f0d5fd26f7169510dc9df39799d4d36d20f8d1d4298a2cf919f0acc9d309d527c53f25b6cd0
SSDEEP

49152:eXK1ZbPTNuum+cN+9zWFULG+0dKS24DpVUcN+9zWFULG+:9zduumnA9zyULG+0dKz4DpvA9zyULG+

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
640	2025b9e26267efead64f719a14f37633.exe

Executes dropped EXE 1 IoCs

pid	Process
640	2025b9e26267efead64f719a14f37633.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4004-0-0x0000000000400000-0x000000000065C000-memory.dmp	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Program crash 20 IoCs

pid	pid_target	Process	procid_target
3168	640	WerFault.exe
1444	640	WerFault.exe
456	640	WerFault.exe
2044	640	WerFault.exe	30
3628	640	WerFault.exe	30
5096	640	WerFault.exe	30
4632	640	WerFault.exe	30
3524	640	WerFault.exe	30
4960	640	WerFault.exe	30
2768	640	WerFault.exe	30
4352	640	WerFault.exe	30
2900	640	WerFault.exe	30
208	640	WerFault.exe	30
1688	640	WerFault.exe	30
4192	640	WerFault.exe	30
5084	640	WerFault.exe	30
3736	640	WerFault.exe	30
5008	640	WerFault.exe	30
904	640	WerFault.exe	30
1596	640	WerFault.exe	30

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1784	schtasks.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4004	2025b9e26267efead64f719a14f37633.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4004	2025b9e26267efead64f719a14f37633.exe
640	2025b9e26267efead64f719a14f37633.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 640	4004	2025b9e26267efead64f719a14f37633.exe	30
PID 4004 wrote to memory of 640	4004	2025b9e26267efead64f719a14f37633.exe	30
PID 4004 wrote to memory of 640	4004	2025b9e26267efead64f719a14f37633.exe	30
PID 640 wrote to memory of 1784	640	2025b9e26267efead64f719a14f37633.exe	16
PID 640 wrote to memory of 1784	640	2025b9e26267efead64f719a14f37633.exe	16
PID 640 wrote to memory of 1784	640	2025b9e26267efead64f719a14f37633.exe	16
PID 640 wrote to memory of 2408	640	2025b9e26267efead64f719a14f37633.exe	24
PID 640 wrote to memory of 2408	640	2025b9e26267efead64f719a14f37633.exe	24
PID 640 wrote to memory of 2408	640	2025b9e26267efead64f719a14f37633.exe	24
PID 2408 wrote to memory of 3048	2408	cmd.exe	17
PID 2408 wrote to memory of 3048	2408	cmd.exe	17
PID 2408 wrote to memory of 3048	2408	cmd.exe	17

C:\Users\Admin\AppData\Local\Temp\2025b9e26267efead64f719a14f37633.exe
"C:\Users\Admin\AppData\Local\Temp\2025b9e26267efead64f719a14f37633.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4004
- C:\Users\Admin\AppData\Local\Temp\2025b9e26267efead64f719a14f37633.exe
  C:\Users\Admin\AppData\Local\Temp\2025b9e26267efead64f719a14f37633.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 644
    3⤵
    - Program crash
    PID:2044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 736
    3⤵
    - Program crash
    PID:3628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 780
    3⤵
    - Program crash
    PID:5096
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 1460
    3⤵
    - Program crash
    PID:4632
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 1864
    3⤵
    - Program crash
    PID:3524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 2128
    3⤵
    - Program crash
    PID:4960
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 1912
    3⤵
    - Program crash
    PID:2768
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 2128
    3⤵
    - Program crash
    PID:4352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 1864
    3⤵
    - Program crash
    PID:2900
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 1972
    3⤵
    - Program crash
    PID:208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 2180
    3⤵
    - Program crash
    PID:1688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 2128
    3⤵
    - Program crash
    PID:4192
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 2188
    3⤵
    - Program crash
    PID:5084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 2132
    3⤵
    - Program crash
    PID:3736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 2176
    3⤵
    - Program crash
    PID:5008
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 1940
    3⤵
    - Program crash
    PID:904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 636
    3⤵
    - Program crash
    PID:1596

C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\2025b9e26267efead64f719a14f37633.exe" /TN nMQUF5AE494a /F
1⤵
- Creates scheduled task(s)
PID:1784

C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /Query /XML /TN nMQUF5AE494a
1⤵
PID:3048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 640 -ip 640
1⤵
PID:724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 612
1⤵
- Program crash
PID:3168

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c schtasks.exe /Query /XML /TN nMQUF5AE494a > C:\Users\Admin\AppData\Local\Temp\nEc4QWO.xml
1⤵
- Suspicious use of WriteProcessMemory
PID:2408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 640 -ip 640
1⤵
PID:1624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 640
1⤵
- Program crash
PID:1444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 640 -ip 640
1⤵
PID:4280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 624
1⤵
- Program crash
PID:456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 640 -ip 640
1⤵
PID:912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 640 -ip 640
1⤵
PID:4888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 640 -ip 640
1⤵
PID:2660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 640 -ip 640
1⤵
PID:4780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 640 -ip 640
1⤵
PID:4332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 640 -ip 640
1⤵
PID:1736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 640 -ip 640
1⤵
PID:1656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 640 -ip 640
1⤵
PID:1884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 640 -ip 640
1⤵
PID:4824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 640 -ip 640
1⤵
PID:2980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 640 -ip 640
1⤵
PID:1648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 640 -ip 640
1⤵
PID:3772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 640 -ip 640
1⤵
PID:1828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 640 -ip 640
1⤵
PID:448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 640 -ip 640
1⤵
PID:4928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 640 -ip 640
1⤵
PID:3640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 640 -ip 640
1⤵
PID:2088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

memory/640-15-0x0000000024010000-0x000000002408E000-memory.dmp

Filesize
504KB

Download
memory/640-23-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/640-22-0x00000000004B0000-0x000000000051B000-memory.dmp

Filesize
428KB

Download
memory/640-18-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/640-42-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/4004-0-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/4004-4-0x00000000018C0000-0x000000000193E000-memory.dmp

Filesize
504KB

Download
memory/4004-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/4004-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads