b1125bd83f5c098f10321f008362a5737e2bcf0fffa1bdfa9b3b6e297f94432d

Analysis

max time kernel
3s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 20:31

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General

Target

49b0d888e217f8b200bf84c5d30d0526.exe
Size

3.2MB
MD5

49b0d888e217f8b200bf84c5d30d0526
SHA1

d799c267d0e9e3ca69a5ef03c9f870bddd538b3c
SHA256

b1125bd83f5c098f10321f008362a5737e2bcf0fffa1bdfa9b3b6e297f94432d
SHA512

2e79c7851aa871b67e751582e00f1fcd2e54ee961fc91de99e1e88e5da7d007a16fa80924fe9240452fe7633a140f8ae6200729e6a49636341325c1526dc6d3c
SSDEEP

98304:DvZQ+WdSExVcakchS87ccakc5J1at2QucakchS87ccakcO:Dq7dSgdlhS87cdl5JskTdlhS87cdlO

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2032	49b0d888e217f8b200bf84c5d30d0526.exe

Executes dropped EXE 1 IoCs

pid	Process
2032	49b0d888e217f8b200bf84c5d30d0526.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1616-0-0x0000000000400000-0x000000000065C000-memory.dmp	upx
behavioral2/memory/2032-14-0x0000000000400000-0x000000000065C000-memory.dmp	upx
behavioral2/files/0x00070000000231fe-12.dat	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Program crash 19 IoCs

pid	pid_target	Process	procid_target
5044	2032	WerFault.exe	17
5000	2032	WerFault.exe	17
1156	2032	WerFault.exe	17
4968	2032	WerFault.exe	17
2612	2032	WerFault.exe	17
3824	2032	WerFault.exe	17
2848	2032	WerFault.exe	17
4548	2032	WerFault.exe	17
3524	2032	WerFault.exe	17
1468	2032	WerFault.exe	17
5112	2032	WerFault.exe	17
4328	2032	WerFault.exe	17
4704	2032	WerFault.exe	17
3820	2032	WerFault.exe	17
3608	2032	WerFault.exe	17
4540	2032	WerFault.exe	17
1100	2032	WerFault.exe	17
912	2032	WerFault.exe	17
3084	2032	WerFault.exe	17

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
2332	schtasks.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1616	49b0d888e217f8b200bf84c5d30d0526.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1616	49b0d888e217f8b200bf84c5d30d0526.exe
2032	49b0d888e217f8b200bf84c5d30d0526.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 2032	1616	49b0d888e217f8b200bf84c5d30d0526.exe	17
PID 1616 wrote to memory of 2032	1616	49b0d888e217f8b200bf84c5d30d0526.exe	17
PID 1616 wrote to memory of 2032	1616	49b0d888e217f8b200bf84c5d30d0526.exe	17
PID 2032 wrote to memory of 2332	2032	49b0d888e217f8b200bf84c5d30d0526.exe	27
PID 2032 wrote to memory of 2332	2032	49b0d888e217f8b200bf84c5d30d0526.exe	27
PID 2032 wrote to memory of 2332	2032	49b0d888e217f8b200bf84c5d30d0526.exe	27
PID 2032 wrote to memory of 3492	2032	49b0d888e217f8b200bf84c5d30d0526.exe	26
PID 2032 wrote to memory of 3492	2032	49b0d888e217f8b200bf84c5d30d0526.exe	26
PID 2032 wrote to memory of 3492	2032	49b0d888e217f8b200bf84c5d30d0526.exe	26
PID 3492 wrote to memory of 3956	3492	cmd.exe	20
PID 3492 wrote to memory of 3956	3492	cmd.exe	20
PID 3492 wrote to memory of 3956	3492	cmd.exe	20

C:\Users\Admin\AppData\Local\Temp\49b0d888e217f8b200bf84c5d30d0526.exe
"C:\Users\Admin\AppData\Local\Temp\49b0d888e217f8b200bf84c5d30d0526.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Users\Admin\AppData\Local\Temp\49b0d888e217f8b200bf84c5d30d0526.exe
  C:\Users\Admin\AppData\Local\Temp\49b0d888e217f8b200bf84c5d30d0526.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 616
    3⤵
    - Program crash
    PID:5044
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c schtasks.exe /Query /XML /TN 1WOV8tOcae1c > C:\Users\Admin\AppData\Local\Temp\lI62w.xml
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3492
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\49b0d888e217f8b200bf84c5d30d0526.exe" /TN 1WOV8tOcae1c /F
    3⤵
    - Creates scheduled task(s)
    PID:2332
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 648
    3⤵
    - Program crash
    PID:5000
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 656
    3⤵
    - Program crash
    PID:1156
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 736
    3⤵
    - Program crash
    PID:4968
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 652
    3⤵
    - Program crash
    PID:2612
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 708
    3⤵
    - Program crash
    PID:3824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 1456
    3⤵
    - Program crash
    PID:2848
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 1904
    3⤵
    - Program crash
    PID:4548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 2128
    3⤵
    - Program crash
    PID:3524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 1916
    3⤵
    - Program crash
    PID:1468
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 2088
    3⤵
    - Program crash
    PID:5112
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 2112
    3⤵
    - Program crash
    PID:4328
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 1952
    3⤵
    - Program crash
    PID:4704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 1960
    3⤵
    - Program crash
    PID:3820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 2096
    3⤵
    - Program crash
    PID:3608
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 1868
    3⤵
    - Program crash
    PID:4540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 2160
    3⤵
    - Program crash
    PID:1100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 2152
    3⤵
    - Program crash
    PID:912
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 628
    3⤵
    - Program crash
    PID:3084

C:\Windows\SysWOW64\schtasks.exe
schtasks.exe /Query /XML /TN 1WOV8tOcae1c
1⤵
PID:3956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2032 -ip 2032
1⤵
PID:2420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2032 -ip 2032
1⤵
PID:3424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2032 -ip 2032
1⤵
PID:4860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2032 -ip 2032
1⤵
PID:1856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2032 -ip 2032
1⤵
PID:4164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2032 -ip 2032
1⤵
PID:4688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2032 -ip 2032
1⤵
PID:1512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2032 -ip 2032
1⤵
PID:1984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2032 -ip 2032
1⤵
PID:3500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2032 -ip 2032
1⤵
PID:4872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2032 -ip 2032
1⤵
PID:1592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2032 -ip 2032
1⤵
PID:1700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2032 -ip 2032
1⤵
PID:2760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2032 -ip 2032
1⤵
PID:4472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2032 -ip 2032
1⤵
PID:3740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2032 -ip 2032
1⤵
PID:720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2032 -ip 2032
1⤵
PID:4488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2032 -ip 2032
1⤵
PID:2964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 2032 -ip 2032
1⤵
PID:1408

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

C:\Users\Admin\AppData\Local\Temp\49b0d888e217f8b200bf84c5d30d0526.exe

Filesize
43KB

MD5
367d9584d66e8a81c9c0b0bd8f181fbc

SHA1
cce105e676e7618ab7ba55d133242de4f9400aaa

SHA256
80174f7c14ff7dabbf5fe0dce1c11707977009740a6de4515e414f63ebf589ff

SHA512
77050b3d1d967200a060bfeac7661136c7483224c51ba11d19b1b50a0f50cdc54a39c90533dfe9c73bd98bebe37198dced15a57907005e5deb5f7103e493c23c

Download Submit
C:\Users\Admin\AppData\Local\Temp\lI62w.xml

Filesize
1KB

MD5
2d35763522be06e17cd1ad177655af7c

SHA1
208dd54ffc20f32f44582cb8e4bc5b058ba8fd54

SHA256
197f7528f979d86ffff64ad6d9e3191c7f13983a36363d0a613819333d72f441

SHA512
5c4c68067f4261b7b1d3c770791da7cdaa32127e5f901c10751265eaf495a40574f4398b9d63615fa70b7e88cc804c956e9454ee04290efa68a5c9f7460f6dc3

Download Submit
memory/1616-0-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/1616-3-0x0000000001720000-0x000000000179E000-memory.dmp

Filesize
504KB

Download
memory/1616-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1616-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2032-17-0x0000000001730000-0x00000000017AE000-memory.dmp

Filesize
504KB

Download
memory/2032-23-0x00000000004B0000-0x000000000051B000-memory.dmp

Filesize
428KB

Download
memory/2032-22-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2032-14-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/2032-43-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads