Analysis
-
max time kernel
119s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
04-11-2023 21:34
Behavioral task
behavioral1
Sample
NEAS.8258c7d749681951cff040c91ef03340_JC.exe
Resource
win7-20231020-en
General
-
Target
NEAS.8258c7d749681951cff040c91ef03340_JC.exe
-
Size
161KB
-
MD5
8258c7d749681951cff040c91ef03340
-
SHA1
406f9018b418ae80165a586e280e0032a9a28af9
-
SHA256
9f80dbebf6a0eff41036bdc501002d424e6dd617b678ea6a115a18682a3da42b
-
SHA512
d0449329b646cdc95d6da96b0336b22b9849111573601c8c8513c8067d631adbd37bb2e1e450b1233afdf377091d317e36208116d38110b1b6e2c8da93bf98ee
-
SSDEEP
3072:9p56zRJ83+OJ7NoGvdwWy6k04yW/KlQ2C:9OzRWu27dlOd5sk
Malware Config
Extracted
urelas
218.54.47.76
218.54.47.77
218.54.47.74
Signatures
-
Deletes itself 1 IoCs
pid Process 2960 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2320 biudfw.exe -
Loads dropped DLL 1 IoCs
pid Process 2344 NEAS.8258c7d749681951cff040c91ef03340_JC.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2344 wrote to memory of 2320 2344 NEAS.8258c7d749681951cff040c91ef03340_JC.exe 28 PID 2344 wrote to memory of 2320 2344 NEAS.8258c7d749681951cff040c91ef03340_JC.exe 28 PID 2344 wrote to memory of 2320 2344 NEAS.8258c7d749681951cff040c91ef03340_JC.exe 28 PID 2344 wrote to memory of 2320 2344 NEAS.8258c7d749681951cff040c91ef03340_JC.exe 28 PID 2344 wrote to memory of 2960 2344 NEAS.8258c7d749681951cff040c91ef03340_JC.exe 29 PID 2344 wrote to memory of 2960 2344 NEAS.8258c7d749681951cff040c91ef03340_JC.exe 29 PID 2344 wrote to memory of 2960 2344 NEAS.8258c7d749681951cff040c91ef03340_JC.exe 29 PID 2344 wrote to memory of 2960 2344 NEAS.8258c7d749681951cff040c91ef03340_JC.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\NEAS.8258c7d749681951cff040c91ef03340_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.8258c7d749681951cff040c91ef03340_JC.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Users\Admin\AppData\Local\Temp\biudfw.exe"C:\Users\Admin\AppData\Local\Temp\biudfw.exe"2⤵
- Executes dropped EXE
PID:2320
-
-
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "2⤵
- Deletes itself
PID:2960
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
161KB
MD580fca12deadfa5143928519353b914f9
SHA1a8c9430bce4a7fc3c99518bb859e3b9fad03d545
SHA25664dc3ab26df309f28aa1f78a49a286aa7b306675edd8fc3a58b1af36363bd2b0
SHA5129648972232aa209825af55314a96de6677455ecd5da03ae2022b11aea868485360938172550dec28edddf5545ae0dc864384384a110d15f394fa67b62cbff319
-
Filesize
512B
MD5ac5e84ed8031d66a9fcd5e472ba8091b
SHA106303add604104d6abbb69458f89773c066b470c
SHA2563a3cfa6f4786dab0ac8bc76204948f32a3a2cbd094922f87c251ec80d22baae5
SHA5127bf829102a70a1304dae435b8ae3c9ef9a925af7e995fe381d80730f4f702e1fd2a0a1b6a3a4b4667925f5bb95c897166a8fc0f52d3171d9cdba0bf09b53f152
-
Filesize
290B
MD5fb2147c82dceb18e82d793cdc23bb1b5
SHA1d05163414089b96bd263d37b6d90902a47cd87ee
SHA2567b13923061b63aad37821c6c2cb3f4df1f8e24d84d85ea297168a2d110a88684
SHA512905ad167eece706ff88589973d134c0751f11b5c13eb5787f0f21b40607b906bb1f390c1976275137778846eee2959cec7d64005e21676468f48055c34de256c
-
Filesize
290B
MD5fb2147c82dceb18e82d793cdc23bb1b5
SHA1d05163414089b96bd263d37b6d90902a47cd87ee
SHA2567b13923061b63aad37821c6c2cb3f4df1f8e24d84d85ea297168a2d110a88684
SHA512905ad167eece706ff88589973d134c0751f11b5c13eb5787f0f21b40607b906bb1f390c1976275137778846eee2959cec7d64005e21676468f48055c34de256c
-
Filesize
161KB
MD580fca12deadfa5143928519353b914f9
SHA1a8c9430bce4a7fc3c99518bb859e3b9fad03d545
SHA25664dc3ab26df309f28aa1f78a49a286aa7b306675edd8fc3a58b1af36363bd2b0
SHA5129648972232aa209825af55314a96de6677455ecd5da03ae2022b11aea868485360938172550dec28edddf5545ae0dc864384384a110d15f394fa67b62cbff319