7dbbc9b80731999cf53cf3a35224c8d2605a261ffba70c562240526ad52b68bb

Analysis

max time kernel
5s
max time network
78s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 03:16

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General

Target

4f6e557c63694a2bb74e4e6f3a1adf3a.exe
Size

1003KB
MD5

4f6e557c63694a2bb74e4e6f3a1adf3a
SHA1

685b75955b97ef19898138a4b9d0be6a222bc430
SHA256

7dbbc9b80731999cf53cf3a35224c8d2605a261ffba70c562240526ad52b68bb
SHA512

803d5c6331dd1071c2c1a1b3f58f8f70a04d018d70389e6d731aa27ce6216946ebc1b7280bbeb6d9a7887f5c16f49f33e7461848276fe59ea203a69d041a83b1
SSDEEP

24576:k+SikxrDBxh4H0sHy/VbJEmL1OhyvXzhcde+i169Qevyq7jj:k1Rxhxk0sS/VNEmL1O4vXz6dK1QQkyqr

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5044	4f6e557c63694a2bb74e4e6f3a1adf3a.exe

Executes dropped EXE 1 IoCs

pid	Process
5044	4f6e557c63694a2bb74e4e6f3a1adf3a.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4376-0-0x0000000000400000-0x000000000065C000-memory.dmp	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Program crash 3 IoCs

pid	pid_target	Process	procid_target
664	5044	WerFault.exe
3012	5044	WerFault.exe
1764	5044	WerFault.exe	31

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
2420	schtasks.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4376	4f6e557c63694a2bb74e4e6f3a1adf3a.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4376	4f6e557c63694a2bb74e4e6f3a1adf3a.exe
5044	4f6e557c63694a2bb74e4e6f3a1adf3a.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 5044	4376	4f6e557c63694a2bb74e4e6f3a1adf3a.exe	31
PID 4376 wrote to memory of 5044	4376	4f6e557c63694a2bb74e4e6f3a1adf3a.exe	31
PID 4376 wrote to memory of 5044	4376	4f6e557c63694a2bb74e4e6f3a1adf3a.exe	31
PID 5044 wrote to memory of 2420	5044	4f6e557c63694a2bb74e4e6f3a1adf3a.exe	28
PID 5044 wrote to memory of 2420	5044	4f6e557c63694a2bb74e4e6f3a1adf3a.exe	28
PID 5044 wrote to memory of 2420	5044	4f6e557c63694a2bb74e4e6f3a1adf3a.exe	28
PID 5044 wrote to memory of 3452	5044	4f6e557c63694a2bb74e4e6f3a1adf3a.exe	27
PID 5044 wrote to memory of 3452	5044	4f6e557c63694a2bb74e4e6f3a1adf3a.exe	27
PID 5044 wrote to memory of 3452	5044	4f6e557c63694a2bb74e4e6f3a1adf3a.exe	27
PID 3452 wrote to memory of 3476	3452	cmd.exe	20
PID 3452 wrote to memory of 3476	3452	cmd.exe	20
PID 3452 wrote to memory of 3476	3452	cmd.exe	20

C:\Users\Admin\AppData\Local\Temp\4f6e557c63694a2bb74e4e6f3a1adf3a.exe
"C:\Users\Admin\AppData\Local\Temp\4f6e557c63694a2bb74e4e6f3a1adf3a.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Users\Admin\AppData\Local\Temp\4f6e557c63694a2bb74e4e6f3a1adf3a.exe
  C:\Users\Admin\AppData\Local\Temp\4f6e557c63694a2bb74e4e6f3a1adf3a.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:5044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 976
    3⤵
    - Program crash
    PID:1764

C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /Query /XML /TN 0Su7L8S745c1
1⤵
PID:3476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5044 -ip 5044
1⤵
PID:1144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 616
1⤵
- Program crash
PID:664

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c schtasks.exe /Query /XML /TN 0Su7L8S745c1 > C:\Users\Admin\AppData\Local\Temp\C6pAyi.xml
1⤵
- Suspicious use of WriteProcessMemory
PID:3452

C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\4f6e557c63694a2bb74e4e6f3a1adf3a.exe" /TN 0Su7L8S745c1 /F
1⤵
- Creates scheduled task(s)
PID:2420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 5044 -ip 5044
1⤵
PID:2992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 636
1⤵
- Program crash
PID:3012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5044 -ip 5044
1⤵
PID:628

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/4376-0-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/4376-5-0x0000000001730000-0x00000000017AE000-memory.dmp

Filesize
504KB

Download
memory/4376-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/4376-14-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/5044-18-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/5044-24-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/5044-23-0x00000000004B0000-0x000000000051B000-memory.dmp

Filesize
428KB

Download
memory/5044-16-0x00000000016E0000-0x000000000175E000-memory.dmp

Filesize
504KB

Download
memory/5044-42-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads