33dcb0b45f9436820dbff1971adb927424d47f5bda4c4501173687845c660571

Analysis

max time kernel
114s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 03:43

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General

Target

bfbfe960dfeffb9aa7cfec1b128e30b0N.exe
Size

3.2MB
MD5

bfbfe960dfeffb9aa7cfec1b128e30b0
SHA1

254398ed17d2284d750063c49335778a3ee77385
SHA256

33dcb0b45f9436820dbff1971adb927424d47f5bda4c4501173687845c660571
SHA512

b372c54281316a581d709171f2307752b22a516d61473d9bbf549d7de48d142b9abb7a5edd1ea4a97139210aa7f3d5b0c0d7b33970efd6ea699ec74cb04aef73
SSDEEP

98304:ghEE1s5+kcakcNGkwhgjtncakcZJ1JQeF6WMBcakcNGkwhgjtncakcO:g/1s9dlNGkwhgjldlZJ1CeL2dlNGkwhz

Score

7^/10

discovery upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2076	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe

Executes dropped EXE 1 IoCs

pid	Process
2076	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4300-0-0x0000000000400000-0x000000000065C000-memory.dmp	upx
behavioral2/files/0x00080000000235e9-12.dat	upx
behavioral2/memory/2076-14-0x0000000000400000-0x000000000065C000-memory.dmp	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs

Web Service

T1102

flow	ioc
20	pastebin.com

Program crash 18 IoCs

pid	pid_target	Process	procid_target
4548	2076	WerFault.exe	92
3632	2076	WerFault.exe	92
4288	2076	WerFault.exe	92
1680	2076	WerFault.exe	92
3860	2076	WerFault.exe	92
644	2076	WerFault.exe	92
2944	2076	WerFault.exe	92
5068	2076	WerFault.exe	92
3340	2076	WerFault.exe	92
4436	2076	WerFault.exe	92
1772	2076	WerFault.exe	92
3560	2076	WerFault.exe	92
4820	2076	WerFault.exe	92
644	2076	WerFault.exe	92
4484	2076	WerFault.exe	92
4332	2076	WerFault.exe	92
4408	2076	WerFault.exe	92
3240	2076	WerFault.exe	92

System Location Discovery: System Language Discovery 1 TTPs 5 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	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4884	schtasks.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4300	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4300	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe
2076	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 2076	4300	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe	92
PID 4300 wrote to memory of 2076	4300	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe	92
PID 4300 wrote to memory of 2076	4300	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe	92
PID 2076 wrote to memory of 4884	2076	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe	93
PID 2076 wrote to memory of 4884	2076	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe	93
PID 2076 wrote to memory of 4884	2076	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe	93
PID 2076 wrote to memory of 696	2076	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe	95
PID 2076 wrote to memory of 696	2076	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe	95
PID 2076 wrote to memory of 696	2076	bfbfe960dfeffb9aa7cfec1b128e30b0N.exe	95
PID 696 wrote to memory of 532	696	cmd.exe	98
PID 696 wrote to memory of 532	696	cmd.exe	98
PID 696 wrote to memory of 532	696	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\bfbfe960dfeffb9aa7cfec1b128e30b0N.exe
"C:\Users\Admin\AppData\Local\Temp\bfbfe960dfeffb9aa7cfec1b128e30b0N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4300
- C:\Users\Admin\AppData\Local\Temp\bfbfe960dfeffb9aa7cfec1b128e30b0N.exe
  C:\Users\Admin\AppData\Local\Temp\bfbfe960dfeffb9aa7cfec1b128e30b0N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2076
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\bfbfe960dfeffb9aa7cfec1b128e30b0N.exe" /TN PlZ5iuCabcb4 /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4884
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c schtasks.exe /Query /XML /TN PlZ5iuCabcb4 > C:\Users\Admin\AppData\Local\Temp\PQl8CqQ.xml
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:696
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /Query /XML /TN PlZ5iuCabcb4
      4⤵
      System Location Discovery: System Language Discovery
      PID:532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 616
    3⤵
    - Program crash
    PID:4548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 632
    3⤵
    - Program crash
    PID:3632
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 716
    3⤵
    - Program crash
    PID:4288
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 640
    3⤵
    - Program crash
    PID:1680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 640
    3⤵
    - Program crash
    PID:3860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 780
    3⤵
    - Program crash
    PID:644
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1488
    3⤵
    - Program crash
    PID:2944
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1536
    3⤵
    - Program crash
    PID:5068
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1728
    3⤵
    - Program crash
    PID:3340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1392
    3⤵
    - Program crash
    PID:4436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1540
    3⤵
    - Program crash
    PID:1772
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1576
    3⤵
    - Program crash
    PID:3560
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1592
    3⤵
    - Program crash
    PID:4820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1844
    3⤵
    - Program crash
    PID:644
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1856
    3⤵
    - Program crash
    PID:4484
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1848
    3⤵
    - Program crash
    PID:4332
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1560
    3⤵
    - Program crash
    PID:4408
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1828
    3⤵
    - Program crash
    PID:3240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2076 -ip 2076
1⤵
PID:4744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2076 -ip 2076
1⤵
PID:4400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2076 -ip 2076
1⤵
PID:3048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2076 -ip 2076
1⤵
PID:4024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2076 -ip 2076
1⤵
PID:2948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2076 -ip 2076
1⤵
PID:4068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2076 -ip 2076
1⤵
PID:4328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2076 -ip 2076
1⤵
PID:3452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2076 -ip 2076
1⤵
PID:4536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2076 -ip 2076
1⤵
PID:2912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2076 -ip 2076
1⤵
PID:4920

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3976,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:8
1⤵
PID:3048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2076 -ip 2076
1⤵
PID:4376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2076 -ip 2076
1⤵
PID:1680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2076 -ip 2076
1⤵
PID:2360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2076 -ip 2076
1⤵
PID:4328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 2076 -ip 2076
1⤵
PID:3176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2076 -ip 2076
1⤵
PID:2388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 2076 -ip 2076
1⤵
PID:1680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\PQl8CqQ.xml

Filesize
1KB

MD5
e4744517e28283342de0e467dc2ab699

SHA1
2e469cb3baad53daccdc17dcf040fac2de6af226

SHA256
d6077a20423b23f637bcc9b630da67a6abc3302611739c7f1388548e1c60285c

SHA512
e8e19b786aacc6b6919eab799ac95795aaa0ed8c2951ae5436b28242a44036e69a5053c7d3712307d35495fe85e54ea20e941713900123061096b7f53e92d7a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\bfbfe960dfeffb9aa7cfec1b128e30b0N.exe

Filesize
3.2MB

MD5
803fd3aac62f73c81750e1e9f5172fb2

SHA1
aeb8751480406f81af1a244d3b3b40a1652f8862

SHA256
a838836e20c44ac4fc02c59dc7b5f993c7c9a9fdd8f94e740fbb8f9e4d95cedb

SHA512
3f4937b81612c172dc1f59742b92c58eac5d46485c1b682fb033145e402625fbc7bb79dffab7b5de2a52743bde11a60e3304eaf35028445b947bbfa2543b709b

Download Submit
memory/2076-14-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/2076-21-0x0000000024FF0000-0x000000002506E000-memory.dmp

Filesize
504KB

Download
memory/2076-22-0x0000000000470000-0x00000000004DB000-memory.dmp

Filesize
428KB

Download
memory/2076-23-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2076-44-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/4300-0-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/4300-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/4300-7-0x0000000024FE0000-0x000000002505E000-memory.dmp

Filesize
504KB

Download
memory/4300-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads