Analysis
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max time kernel
146s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
14-07-2023 16:20
Behavioral task
behavioral1
Sample
2cdbf242bf8208exeexe_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
2cdbf242bf8208exeexe_JC.exe
Resource
win10v2004-20230703-en
General
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Target
2cdbf242bf8208exeexe_JC.exe
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Size
99KB
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MD5
2cdbf242bf8208efc34c0569a737f228
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SHA1
6ee3354b81b606bfa7f93bfff7371f312f1863d2
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SHA256
c48d4897a44829d58dfef6bc6a379a0a1106d7939392d54902e97fca55117301
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SHA512
fffb1db7a5bb82b86e4c758514e3fa21e6547e3c2412212409ad24129d20756a3b811481571e145ab7421ff1c744d5551ca1a768e834fb9b8f770fce3ac1017c
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6Gs:1nK6a+qdOOtEvwDpjs
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Control Panel\International\Geo\Nation 2cdbf242bf8208exeexe_JC.exe -
Executes dropped EXE 1 IoCs
pid Process 1676 asih.exe -
resource yara_rule behavioral2/memory/544-133-0x0000000000500000-0x000000000050F311-memory.dmp upx behavioral2/files/0x0006000000023081-146.dat upx behavioral2/files/0x0006000000023081-148.dat upx behavioral2/files/0x0006000000023081-149.dat upx behavioral2/memory/544-152-0x0000000000500000-0x000000000050F311-memory.dmp upx behavioral2/memory/1676-159-0x0000000000500000-0x000000000050F311-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 3 IoCs
description pid Process procid_target PID 544 wrote to memory of 1676 544 2cdbf242bf8208exeexe_JC.exe 86 PID 544 wrote to memory of 1676 544 2cdbf242bf8208exeexe_JC.exe 86 PID 544 wrote to memory of 1676 544 2cdbf242bf8208exeexe_JC.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\2cdbf242bf8208exeexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\2cdbf242bf8208exeexe_JC.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:1676
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
99KB
MD57f14ed39059308d036f36faecdd6450b
SHA1a63c16cd4486e29a1dbeb368edcdffd3278cf1d6
SHA2562c2302237cfb01210531f57a86394de633c8c5fff88b8ee3808d1acd2902de9b
SHA512f2678172b4deb0ba866ffb5dbeb9dd30fa68794de8e4871ece2ae2f637844e0cbdb8963c2d86a251026370239dca5d5cfe9425a095774e0c77ed8ea1f72ce493
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Filesize
99KB
MD57f14ed39059308d036f36faecdd6450b
SHA1a63c16cd4486e29a1dbeb368edcdffd3278cf1d6
SHA2562c2302237cfb01210531f57a86394de633c8c5fff88b8ee3808d1acd2902de9b
SHA512f2678172b4deb0ba866ffb5dbeb9dd30fa68794de8e4871ece2ae2f637844e0cbdb8963c2d86a251026370239dca5d5cfe9425a095774e0c77ed8ea1f72ce493
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Filesize
99KB
MD57f14ed39059308d036f36faecdd6450b
SHA1a63c16cd4486e29a1dbeb368edcdffd3278cf1d6
SHA2562c2302237cfb01210531f57a86394de633c8c5fff88b8ee3808d1acd2902de9b
SHA512f2678172b4deb0ba866ffb5dbeb9dd30fa68794de8e4871ece2ae2f637844e0cbdb8963c2d86a251026370239dca5d5cfe9425a095774e0c77ed8ea1f72ce493