Analysis
-
max time kernel
150s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
13/07/2023, 17:27
Behavioral task
behavioral1
Sample
00e8a480ba872cexe_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
00e8a480ba872cexe_JC.exe
Resource
win10v2004-20230703-en
General
-
Target
00e8a480ba872cexe_JC.exe
-
Size
139KB
-
MD5
00e8a480ba872caa4bbc46bee1502a17
-
SHA1
a1159c347931bccd9e77790002544b281a0c4e26
-
SHA256
caff90d68584f9ef6374b119987d7cc396d45ba675601c5ed239d6eb108a2132
-
SHA512
e5a37cf2466737fd98ec2c05a9b56d9055d6db5f70c652f102817e99945dfb6578ea9409402f960f3ebdb70cff43932bd939242d808c0a9c6326959e5992c761
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699G1mE:z6a+CdOOtEvwDpjczu
Malware Config
Signatures
-
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-1-5-21-4176143399-3250363947-192774652-1000\Control Panel\International\Geo\Nation 00e8a480ba872cexe_JC.exe -
Executes dropped EXE 1 IoCs
pid Process 3744 asih.exe -
resource yara_rule behavioral2/memory/420-133-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x00020000000226fb-146.dat upx behavioral2/files/0x00020000000226fb-148.dat upx behavioral2/files/0x00020000000226fb-149.dat upx behavioral2/memory/420-150-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/3744-159-0x0000000000500000-0x0000000000510000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 420 wrote to memory of 3744 420 00e8a480ba872cexe_JC.exe 86 PID 420 wrote to memory of 3744 420 00e8a480ba872cexe_JC.exe 86 PID 420 wrote to memory of 3744 420 00e8a480ba872cexe_JC.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\00e8a480ba872cexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\00e8a480ba872cexe_JC.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:420 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:3744
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
139KB
MD5a8818f3efefbf755e44b279048ead8c9
SHA1b9e9269474bda4c36ea870662c101651682ea3ef
SHA2561ad540d3403cca8101ded620778d1eb501d39ba83cc71b474a614f12ce02804b
SHA5129eeabd76b364402ad0941e348583271ce66b4a4bc3e47f76b1a884212df2b7b1e37d744d9b4f2c87e9bb2269c87459524182b8e7e5cfecc2eb1def1a346d2daf
-
Filesize
139KB
MD5a8818f3efefbf755e44b279048ead8c9
SHA1b9e9269474bda4c36ea870662c101651682ea3ef
SHA2561ad540d3403cca8101ded620778d1eb501d39ba83cc71b474a614f12ce02804b
SHA5129eeabd76b364402ad0941e348583271ce66b4a4bc3e47f76b1a884212df2b7b1e37d744d9b4f2c87e9bb2269c87459524182b8e7e5cfecc2eb1def1a346d2daf
-
Filesize
139KB
MD5a8818f3efefbf755e44b279048ead8c9
SHA1b9e9269474bda4c36ea870662c101651682ea3ef
SHA2561ad540d3403cca8101ded620778d1eb501d39ba83cc71b474a614f12ce02804b
SHA5129eeabd76b364402ad0941e348583271ce66b4a4bc3e47f76b1a884212df2b7b1e37d744d9b4f2c87e9bb2269c87459524182b8e7e5cfecc2eb1def1a346d2daf