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Analysis
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max time kernel
106s -
max time network
115s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/08/2024, 01:54
Static task
static1
Behavioral task
behavioral1
Sample
b4590f289b489e479a53f5d129d7d680N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b4590f289b489e479a53f5d129d7d680N.exe
Resource
win10v2004-20240802-en
General
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Target
b4590f289b489e479a53f5d129d7d680N.exe
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Size
2.4MB
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MD5
b4590f289b489e479a53f5d129d7d680
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SHA1
c57d2d384719b9e5641a2155698fa1c5d0b2ca14
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SHA256
24926a53504430553bf27f241871c8a83ee8d4ca8f8d43d4038f98c6cce75ba9
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SHA512
bb92885a1ed5033d2a84b5b8e3c184516f6fab96a1d40fa102dc5128f5c1f3db40a7b2a92d907f14d5a2f197c7cee0dd603a6c5b9d7d4fdf833c7c7ecbcf7f7e
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SSDEEP
49152:MkRuZok21dkvQ7g7grNZbNsm+kwjI4TT86lorVlyR0Wx:l8ZR0mIjNZZshK4n86WrWDx
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1784 b4590f289b489e479a53f5d129d7d680N.exe -
Executes dropped EXE 1 IoCs
pid Process 1784 b4590f289b489e479a53f5d129d7d680N.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 20 pastebin.com 24 pastebin.com -
Program crash 14 IoCs
pid pid_target Process procid_target 544 2504 WerFault.exe 83 4360 1784 WerFault.exe 91 2256 1784 WerFault.exe 91 1648 1784 WerFault.exe 91 3604 1784 WerFault.exe 91 2636 1784 WerFault.exe 91 4488 1784 WerFault.exe 91 636 1784 WerFault.exe 91 888 1784 WerFault.exe 91 456 1784 WerFault.exe 91 2452 1784 WerFault.exe 91 1064 1784 WerFault.exe 91 1220 1784 WerFault.exe 91 2800 1784 WerFault.exe 91 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b4590f289b489e479a53f5d129d7d680N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b4590f289b489e479a53f5d129d7d680N.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1784 b4590f289b489e479a53f5d129d7d680N.exe 1784 b4590f289b489e479a53f5d129d7d680N.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2504 b4590f289b489e479a53f5d129d7d680N.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 1784 b4590f289b489e479a53f5d129d7d680N.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2504 wrote to memory of 1784 2504 b4590f289b489e479a53f5d129d7d680N.exe 91 PID 2504 wrote to memory of 1784 2504 b4590f289b489e479a53f5d129d7d680N.exe 91 PID 2504 wrote to memory of 1784 2504 b4590f289b489e479a53f5d129d7d680N.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\b4590f289b489e479a53f5d129d7d680N.exe"C:\Users\Admin\AppData\Local\Temp\b4590f289b489e479a53f5d129d7d680N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 3442⤵
- Program crash
PID:544
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C:\Users\Admin\AppData\Local\Temp\b4590f289b489e479a53f5d129d7d680N.exeC:\Users\Admin\AppData\Local\Temp\b4590f289b489e479a53f5d129d7d680N.exe2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:1784 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 3443⤵
- Program crash
PID:4360
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 5963⤵
- Program crash
PID:2256
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 5963⤵
- Program crash
PID:1648
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 5963⤵
- Program crash
PID:3604
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 7203⤵
- Program crash
PID:2636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 9203⤵
- Program crash
PID:4488
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 14123⤵
- Program crash
PID:636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 14563⤵
- Program crash
PID:888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 14963⤵
- Program crash
PID:456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 15163⤵
- Program crash
PID:2452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 14563⤵
- Program crash
PID:1064
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 14923⤵
- Program crash
PID:1220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 10323⤵
- Program crash
PID:2800
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2504 -ip 25041⤵PID:4780
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1784 -ip 17841⤵PID:2948
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1784 -ip 17841⤵PID:316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1784 -ip 17841⤵PID:1668
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1784 -ip 17841⤵PID:2412
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1784 -ip 17841⤵PID:3484
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1784 -ip 17841⤵PID:4268
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1784 -ip 17841⤵PID:1768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1784 -ip 17841⤵PID:4632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1784 -ip 17841⤵PID:1196
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1784 -ip 17841⤵PID:4800
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1784 -ip 17841⤵PID:1980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1784 -ip 17841⤵PID:452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1784 -ip 17841⤵PID:1500
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.4MB
MD54ed22e2427e8ada1994219f91714d3fe
SHA18ef265702eb2ca3e926d007fbfc3602dd2786dfa
SHA25622cb89d6ec1a14d254aeadb1498adf895090d7293d1552ba61ea32786092a25f
SHA512a23148bb7f935fdeec52f22ff96a736226010752327395d84f01a0fb77c441cc357763e8ec07e4edecccca60da60f517436e78f20941a36a5de316fbfac97355