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Analysis
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max time kernel
111s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
19/01/2025, 21:53
General
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Target
ec4c74c014d3cff66fb977c51929d523300eab8da6c5bf9dcdc977f37479b47d.exe
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Size
217KB
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MD5
6c448f0af9ce4d0fa1649155dc1beeb6
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SHA1
fc6a62ddf081b60537bc24cc84d775daf3e9045b
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SHA256
ec4c74c014d3cff66fb977c51929d523300eab8da6c5bf9dcdc977f37479b47d
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SHA512
171a7f069ed590b1364f8dc6debac8cfa5de813b0f713200e0e270f8d0b62b7991154284cd1d30f882a56412bf25a2b9be44696bc63a1ba05a9527e45bd115ac
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SSDEEP
6144:/rRaTyDOnlo7eM+mlkWgRXOqobzWjozm2ulYM6Y:DsTbzu1glovW4EH6Y
Malware Config
Extracted
simda
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dga
gatyfus.com
lyvyxor.com
vojyqem.com
qetyfuv.com
puvyxil.com
gahyqah.com
lyryfyd.com
vocyzit.com
qegyqaq.com
purydyv.com
gacyzuz.com
lygymoj.com
vowydef.com
qexylup.com
pufymoq.com
gaqydeb.com
lyxylux.com
vofymik.com
qeqysag.com
puzylyp.com
gadyniw.com
lymysan.com
volykyc.com
qedynul.com
pumypog.com
galykes.com
lysynur.com
vonypom.com
qekykev.com
pupybul.com
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Simda family
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simda
Simda is an infostealer written in C++.
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Executes dropped EXE 1 IoCs
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Modifies WinLogon 2 TTPs 2 IoCs
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Drops file in Windows directory 2 IoCs
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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.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ec4c74c014d3cff66fb977c51929d523300eab8da6c5bf9dcdc977f37479b47d.exe"C:\Users\Admin\AppData\Local\Temp\ec4c74c014d3cff66fb977c51929d523300eab8da6c5bf9dcdc977f37479b47d.exe"1⤵
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
24KB
MD50a016a743e02a88da5b0f703c82ca2ab
SHA1062cc33264c7471b315635f47b58abd561bfdfbb
SHA256370260d4563463b82e1d8eadc443925fa1889e15b0a2574bd5a677e06920578a
SHA51203f807111d3ec2ea2cf942f4df51ac6511a1c0a11da31fc131db0fd592c77d08d2af69fe1fc857a234ccd056da0ab71ada28359f320e39a19967cd56cbd3b2de
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Filesize
217KB
MD594ef196132a251bc37a2d70ca9bb6b46
SHA10cba0425509cf7454204b486d495c35023eb0ff3
SHA2561c1ca0cbc20a8d79cb8d789e71cfe7e5791d9ee1102bcbafe05de10e16e54492
SHA512b0686e4e97aac6d300536b036f223bade9a0724697d69339aa022d3b6955d23481b8df03d1fc83731c57215b4663348e05b316ef7e5543172f4924d22be43a58
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Filesize
728KB
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Filesize
728KB
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Filesize
1.5MB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
1.5MB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
1.5MB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
672KB
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Filesize
728KB
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Filesize
1.5MB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.5MB
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Filesize
324KB
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Filesize
1.5MB