Analysis
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max time kernel
122s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
29/03/2024, 19:59
Static task
static1
Behavioral task
behavioral1
Sample
37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1.exe
Resource
win7-20240221-en
General
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Target
37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1.exe
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Size
602KB
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MD5
d7d05f1d921be037982d8c1fa20e6be5
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SHA1
b31b9ea455ce1fc0ad6c8bcdd3a5d923b3b5a60a
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SHA256
37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1
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SHA512
44b7bdb4e3edc8cff779d76730a23bebce25c07ba63a670d26bfbda4bb339dce490f46aba996e8dcbd8d68cbdccc73a1b2504dfaebccacb0a4bb3cc0344884af
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SSDEEP
6144:r0+URhIb8NDgt1n6+p5XWv5QzQArJa+156g0EP4IZne+Mlcp:vUDIbOgt1n6IdWqHa+15lHZne+Mlcp
Malware Config
Signatures
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UPX dump on OEP (original entry point) 3 IoCs
resource yara_rule behavioral1/memory/2924-16-0x0000000000400000-0x0000000000432000-memory.dmp UPX behavioral1/memory/2924-17-0x0000000000220000-0x0000000000252000-memory.dmp UPX behavioral1/memory/2924-25-0x0000000000400000-0x0000000000432000-memory.dmp UPX -
Executes dropped EXE 1 IoCs
pid Process 2924 37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1mgr.exe -
Loads dropped DLL 4 IoCs
pid Process 1920 37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1.exe 1920 37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1.exe 2924 37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1mgr.exe 2924 37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1mgr.exe -
resource yara_rule behavioral1/memory/2924-16-0x0000000000400000-0x0000000000432000-memory.dmp upx behavioral1/memory/2924-25-0x0000000000400000-0x0000000000432000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2868 2924 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1920 wrote to memory of 2924 1920 37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1.exe 28 PID 1920 wrote to memory of 2924 1920 37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1.exe 28 PID 1920 wrote to memory of 2924 1920 37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1.exe 28 PID 1920 wrote to memory of 2924 1920 37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1.exe"C:\Users\Admin\AppData\Local\Temp\37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Users\Admin\AppData\Local\Temp\37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1mgr.exeC:\Users\Admin\AppData\Local\Temp\37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1mgr.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2924 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2924 -s 1803⤵
- Program crash
PID:2868
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\37e02c5103ce940a75439d07fd7f43e4945da7ffb17501b04a137a9969c858a1mgr.exe
Filesize157KB
MD52ad7467eeceedd64b8bd4f6e04c3cd49
SHA1d6c5d9878dc49ae9b531d61283609e207154a921
SHA2562aab17b2f18dfb70cd737b27b1a438ad8878889070a6e025b3684483054f60c9
SHA5127a647d4a8de90d11cd5afb82ace8354869af0893f28afcf9491d1d4de421315d9a394a5d3462d88c0eff6c5a7a4ed41897d8d0498b59b4b7428ddbb61786be2a
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Filesize
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06
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Filesize
1.1MB
MD59b98d47916ead4f69ef51b56b0c2323c
SHA1290a80b4ded0efc0fd00816f373fcea81a521330
SHA25696e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA51268b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94