Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
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submitted
27-11-2024 01:07
General
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Target
bb4a047d6dbef6ef740e12a91dd997f1dcfe7720960e2c83cca114103f094c1b.exe
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Size
218KB
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MD5
4f9237dc391d62b0bfdc3dc132ae9634
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SHA1
5080b32cd2162eaccc2556e4e162dea3cbfd6ac7
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SHA256
bb4a047d6dbef6ef740e12a91dd997f1dcfe7720960e2c83cca114103f094c1b
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SHA512
c28a8e6d9e960f87b35435be8abd95d4222a880d9471e2f370bfa359fbce82ea3517004ec1890394181ebd290089d99213bac9ca42faeeb788e6e79cb8e2092c
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SSDEEP
3072:uvm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:w1SyAJp6rjn1gOObn4b6h9h
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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Loads dropped DLL 2 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\bb4a047d6dbef6ef740e12a91dd997f1dcfe7720960e2c83cca114103f094c1b.exe"C:\Users\Admin\AppData\Local\Temp\bb4a047d6dbef6ef740e12a91dd997f1dcfe7720960e2c83cca114103f094c1b.exe"1⤵
- Loads dropped DLL
- 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
Loading Replay Monitor...
Downloads
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
1KB
MD5e4f8c30c801df5707f5d0882f29b6456
SHA1f2e6153f35f6bf66084de333ca47c20fa3f32b5d
SHA256bb875cb30e6a3ffab5bd0c966d8fbf02072a09b68e2a066f51fc70f7caa69fe5
SHA512ced917a9f69a03d8cb6d6877512c191762b1238556c0d6795c8ce334169636d77f0389e26bfb170a57b6ecc4fddee167db293f2266318a455a5e41115d822f5c
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Filesize
218KB
MD507b16895382da1be0205d127c54d1f1d
SHA10b9bd15c574ebed3ab3b3f3ee268bbfd958ca073
SHA256a8f2cee27dcb2be20386520d63741134e06449051808b76dd84d3e0cb1cbcb89
SHA512fb937a6f00cc536ae853fb64d9e914dcbd7d27eb6bc4c634440c3e24bb0cade01016f68eb0fb6788337042e23b979f25af02fdab00e5b6f5eaa00eb8a792cf8f
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Filesize
324KB
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Filesize
380KB
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Filesize
1.7MB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.7MB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
1.7MB
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Filesize
672KB
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Filesize
672KB
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Filesize
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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Filesize
728KB
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728KB
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728KB
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728KB
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Filesize
728KB
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Filesize
728KB
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728KB
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728KB
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Filesize
728KB
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Filesize
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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Filesize
728KB
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Filesize
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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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