Analysis
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max time kernel
140s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
23/07/2023, 19:24
Behavioral task
behavioral1
Sample
NA_NA_2c5b3a35d7e43fexeexe_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
NA_NA_2c5b3a35d7e43fexeexe_JC.exe
Resource
win10v2004-20230703-en
General
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Target
NA_NA_2c5b3a35d7e43fexeexe_JC.exe
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Size
40KB
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MD5
2c5b3a35d7e43f9abd9e8add8b1ac631
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SHA1
a0305e744d9ec1b379b993fb957e1723336c250a
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SHA256
8babffdb6db84770e70d1613cb5d24ef0031a64d3254f70bbb05a87cf4c3e168
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SHA512
4aeac969cb1e129b3dfd2356b3dd58b30b04a43680f1b030adc88f77ed47f825a6ec9c2900a0bff7e27d42a43e04cda046d8e93b3a2a5777c9f71cee96181285
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5aFr7YOzzOSI7k:qUmnpomddpMOtEvwDpjjaYaFACIg
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2624 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2304 NA_NA_2c5b3a35d7e43fexeexe_JC.exe -
resource yara_rule behavioral1/memory/2304-54-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral1/memory/2304-68-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral1/files/0x000a000000012029-65.dat upx behavioral1/memory/2624-71-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral1/files/0x000a000000012029-69.dat upx behavioral1/files/0x000a000000012029-80.dat upx behavioral1/memory/2624-82-0x0000000000500000-0x000000000050F000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2304 wrote to memory of 2624 2304 NA_NA_2c5b3a35d7e43fexeexe_JC.exe 28 PID 2304 wrote to memory of 2624 2304 NA_NA_2c5b3a35d7e43fexeexe_JC.exe 28 PID 2304 wrote to memory of 2624 2304 NA_NA_2c5b3a35d7e43fexeexe_JC.exe 28 PID 2304 wrote to memory of 2624 2304 NA_NA_2c5b3a35d7e43fexeexe_JC.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\NA_NA_2c5b3a35d7e43fexeexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\NA_NA_2c5b3a35d7e43fexeexe_JC.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2624
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
40KB
MD5a354b0cdebb8aac044a9a901117bb20c
SHA1c19b4463d5d6562eff66ddaac67db5088f5012f1
SHA256aff692f6f875e0cf0c670b0fbe5500dab8920b294eeca80e0a06bb14bc78c981
SHA512dec3ccad838e71af4d0f4ed24d856deda3e2bb98085184b38eb54348bb3129afec8dd1a33da66004bb546aeb43b860d4060bcb286197f42a9b6a87a935b114b4
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Filesize
40KB
MD5a354b0cdebb8aac044a9a901117bb20c
SHA1c19b4463d5d6562eff66ddaac67db5088f5012f1
SHA256aff692f6f875e0cf0c670b0fbe5500dab8920b294eeca80e0a06bb14bc78c981
SHA512dec3ccad838e71af4d0f4ed24d856deda3e2bb98085184b38eb54348bb3129afec8dd1a33da66004bb546aeb43b860d4060bcb286197f42a9b6a87a935b114b4
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Filesize
40KB
MD5a354b0cdebb8aac044a9a901117bb20c
SHA1c19b4463d5d6562eff66ddaac67db5088f5012f1
SHA256aff692f6f875e0cf0c670b0fbe5500dab8920b294eeca80e0a06bb14bc78c981
SHA512dec3ccad838e71af4d0f4ed24d856deda3e2bb98085184b38eb54348bb3129afec8dd1a33da66004bb546aeb43b860d4060bcb286197f42a9b6a87a935b114b4