da8dcb598c0f52af571ccee448f54a3b4dcf3bd13df39db80751ef02dc7f4fd8

Analysis

max time kernel
103s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/08/2024, 06:43

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General

Target

5a94bd63f57bec97c51003f347ef5d70N.exe
Size

1003KB
MD5

5a94bd63f57bec97c51003f347ef5d70
SHA1

c0ad28860a7ad21587d6237c221c07eb9fb63536
SHA256

da8dcb598c0f52af571ccee448f54a3b4dcf3bd13df39db80751ef02dc7f4fd8
SHA512

0e1219e67fd645bdaac5fe9b7e7d79455478b27f5852416d634b2277f30766818fde11f61f69b7816d240f7595aeb81e7eeeb1e0a2a5765e970cebe233023ef5
SSDEEP

24576:Af9Nn/0eyTwFf3HJEuMlSVj21RaBkoXlq:AlV/0fwFf3HJEuMlSVj21RaBkoXl

Score

7^/10

discovery upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1660	5a94bd63f57bec97c51003f347ef5d70N.exe

Executes dropped EXE 1 IoCs

pid	Process
1660	5a94bd63f57bec97c51003f347ef5d70N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2820-0-0x0000000000400000-0x000000000065C000-memory.dmp	upx
behavioral2/files/0x00080000000234af-12.dat	upx
behavioral2/memory/1660-14-0x0000000000400000-0x000000000065C000-memory.dmp	upx

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

Web Service

T1102

flow	ioc
17	pastebin.com

Program crash 19 IoCs

pid	pid_target	Process	procid_target
1116	1660	WerFault.exe	86
4316	1660	WerFault.exe	86
1396	1660	WerFault.exe	86
4456	1660	WerFault.exe	86
4752	1660	WerFault.exe	86
4080	1660	WerFault.exe	86
4348	1660	WerFault.exe	86
2404	1660	WerFault.exe	86
2320	1660	WerFault.exe	86
1004	1660	WerFault.exe	86
2168	1660	WerFault.exe	86
1900	1660	WerFault.exe	86
868	1660	WerFault.exe	86
2704	1660	WerFault.exe	86
216	1660	WerFault.exe	86
116	1660	WerFault.exe	86
3320	1660	WerFault.exe	86
1172	1660	WerFault.exe	86
1468	1660	WerFault.exe	86

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5a94bd63f57bec97c51003f347ef5d70N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5a94bd63f57bec97c51003f347ef5d70N.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
780	schtasks.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2820	5a94bd63f57bec97c51003f347ef5d70N.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2820	5a94bd63f57bec97c51003f347ef5d70N.exe
1660	5a94bd63f57bec97c51003f347ef5d70N.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 1660	2820	5a94bd63f57bec97c51003f347ef5d70N.exe	86
PID 2820 wrote to memory of 1660	2820	5a94bd63f57bec97c51003f347ef5d70N.exe	86
PID 2820 wrote to memory of 1660	2820	5a94bd63f57bec97c51003f347ef5d70N.exe	86
PID 1660 wrote to memory of 780	1660	5a94bd63f57bec97c51003f347ef5d70N.exe	87
PID 1660 wrote to memory of 780	1660	5a94bd63f57bec97c51003f347ef5d70N.exe	87
PID 1660 wrote to memory of 780	1660	5a94bd63f57bec97c51003f347ef5d70N.exe	87
PID 1660 wrote to memory of 1412	1660	5a94bd63f57bec97c51003f347ef5d70N.exe	89
PID 1660 wrote to memory of 1412	1660	5a94bd63f57bec97c51003f347ef5d70N.exe	89
PID 1660 wrote to memory of 1412	1660	5a94bd63f57bec97c51003f347ef5d70N.exe	89
PID 1412 wrote to memory of 3256	1412	cmd.exe	91
PID 1412 wrote to memory of 3256	1412	cmd.exe	91
PID 1412 wrote to memory of 3256	1412	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\5a94bd63f57bec97c51003f347ef5d70N.exe
"C:\Users\Admin\AppData\Local\Temp\5a94bd63f57bec97c51003f347ef5d70N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Users\Admin\AppData\Local\Temp\5a94bd63f57bec97c51003f347ef5d70N.exe
  C:\Users\Admin\AppData\Local\Temp\5a94bd63f57bec97c51003f347ef5d70N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:1660
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\5a94bd63f57bec97c51003f347ef5d70N.exe" /TN n3TzfEYb35ee /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:780
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c schtasks.exe /Query /XML /TN n3TzfEYb35ee > C:\Users\Admin\AppData\Local\Temp\qI1KY.xml
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1412
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /Query /XML /TN n3TzfEYb35ee
      4⤵
      System Location Discovery: System Language Discovery
      PID:3256
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 608
    3⤵
    - Program crash
    PID:1116
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 628
    3⤵
    - Program crash
    PID:4316
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 736
    3⤵
    - Program crash
    PID:1396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 708
    3⤵
    - Program crash
    PID:4456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 740
    3⤵
    - Program crash
    PID:4752
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 792
    3⤵
    - Program crash
    PID:4080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 1472
    3⤵
    - Program crash
    PID:4348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 1484
    3⤵
    - Program crash
    PID:2404
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 1744
    3⤵
    - Program crash
    PID:2320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 1576
    3⤵
    - Program crash
    PID:1004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 1496
    3⤵
    - Program crash
    PID:2168
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 1480
    3⤵
    - Program crash
    PID:1900
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 1780
    3⤵
    - Program crash
    PID:868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 1740
    3⤵
    - Program crash
    PID:2704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 1724
    3⤵
    - Program crash
    PID:216
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 1720
    3⤵
    - Program crash
    PID:116
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 1832
    3⤵
    - Program crash
    PID:3320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 1816
    3⤵
    - Program crash
    PID:1172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 1572
    3⤵
    - Program crash
    PID:1468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1660 -ip 1660
1⤵
PID:1652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1660 -ip 1660
1⤵
PID:1096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1660 -ip 1660
1⤵
PID:4756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1660 -ip 1660
1⤵
PID:1944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1660 -ip 1660
1⤵
PID:3788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1660 -ip 1660
1⤵
PID:3172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1660 -ip 1660
1⤵
PID:4232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1660 -ip 1660
1⤵
PID:4112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1660 -ip 1660
1⤵
PID:2500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1660 -ip 1660
1⤵
PID:1760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1660 -ip 1660
1⤵
PID:4312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1660 -ip 1660
1⤵
PID:1636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1660 -ip 1660
1⤵
PID:316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1660 -ip 1660
1⤵
PID:4932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1660 -ip 1660
1⤵
PID:2436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1660 -ip 1660
1⤵
PID:1432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1660 -ip 1660
1⤵
PID:780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1660 -ip 1660
1⤵
PID:3296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1660 -ip 1660
1⤵
PID:3708

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\5a94bd63f57bec97c51003f347ef5d70N.exe

Filesize
1003KB

MD5
2170835cf77407df54c9b01c0ecc5d04

SHA1
9a6e556d3574b4108e11c6ad09e79a977441e556

SHA256
310b63ae864dc82ac4b987a870cebc41139bda1d5d543f3e8d7f9300d3a80707

SHA512
1004d630de203332ff0fed4100104073f020c27bc050126d500187cbe2f41d84d06b54969b56b1a2180691b5e96d9342ee8728bcf7c0813d30219353efc8b223

Download Submit
C:\Users\Admin\AppData\Local\Temp\qI1KY.xml

Filesize
1KB

MD5
0afd84c13e808d5db233383fbd75fe69

SHA1
5f3bf2f5e0c924422d760c8d48c9e2bddb5b8bff

SHA256
a35970effb07d9ca455ce1641df76cd2e4a75a964a841ac0eebef57939943b0c

SHA512
fc114d1e1f6c66cad867402b9899444a5b76bdb6da1e6612345b6c364545259b5fd08b57df8e080b2e4cfe0539dfc51d095c4edb40d924ce1011da275ce743a0

Download Submit
memory/1660-14-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/1660-21-0x0000000001730000-0x00000000017AE000-memory.dmp

Filesize
504KB

Download
memory/1660-22-0x0000000000470000-0x00000000004DB000-memory.dmp

Filesize
428KB

Download
memory/1660-23-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1660-44-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/2820-0-0x0000000000400000-0x000000000065C000-memory.dmp

Filesize
2.4MB

Download
memory/2820-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2820-6-0x0000000025010000-0x000000002508E000-memory.dmp

Filesize
504KB

Download
memory/2820-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads