Analysis
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max time kernel
144s -
max time network
133s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
28-11-2023 09:11
Static task
static1
Behavioral task
behavioral1
Sample
294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.exe
Resource
win10-20231020-en
General
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Target
294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.exe
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Size
3.3MB
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MD5
de4b0dd5c249ea254bae3f7a20343a90
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SHA1
5422c207a7b574a52ee4d99c92a04d6998f78da9
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SHA256
294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716
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SHA512
706c89e09ee01a5a9c4ef5c52e2be0e9c3dd0f485a898cdcbdd82639d57178b02c888c2c9e2b60d1eb7cffbfbcf20414ac44f2142ca2b3b261b73e14a7ae1dcd
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SSDEEP
98304:BsOoX6Vy6JPvMmZQb8Lny4UqjRynQzKkxbH6dlE:EX6o/mZcAy4Xj+Gfwdu
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp 1140 mpeg4codec.exe 1520 mpeg4codec.exe -
Loads dropped DLL 3 IoCs
pid Process 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 185.237.206.223 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 19 IoCs
description ioc Process File created C:\Program Files (x86)\Common Files\BVSMPEG4\is-V9KE5.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\unins000.dat 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\is-ECTQ4.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\is-F6FIU.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\is-IKH21.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\is-0NI65.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\is-L2PV8.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\is-PTN0K.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\is-S411B.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\UIText\is-JG1C6.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\UIText\is-0RS8L.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File opened for modification C:\Program Files (x86)\Common Files\BVSMPEG4\mpeg4codec.exe 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\is-OD1SM.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\is-1O24F.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\is-LHP9A.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File opened for modification C:\Program Files (x86)\Common Files\BVSMPEG4\unins000.dat 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\is-27N65.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\is-ADDR7.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp File created C:\Program Files (x86)\Common Files\BVSMPEG4\is-TBET2.tmp 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs net.exe
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Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1048 wrote to memory of 508 1048 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.exe 71 PID 1048 wrote to memory of 508 1048 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.exe 71 PID 1048 wrote to memory of 508 1048 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.exe 71 PID 508 wrote to memory of 1732 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp 72 PID 508 wrote to memory of 1732 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp 72 PID 508 wrote to memory of 1732 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp 72 PID 508 wrote to memory of 1140 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp 74 PID 508 wrote to memory of 1140 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp 74 PID 508 wrote to memory of 1140 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp 74 PID 508 wrote to memory of 4864 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp 75 PID 508 wrote to memory of 4864 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp 75 PID 508 wrote to memory of 4864 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp 75 PID 508 wrote to memory of 1520 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp 76 PID 508 wrote to memory of 1520 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp 76 PID 508 wrote to memory of 1520 508 294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp 76 PID 4864 wrote to memory of 4884 4864 net.exe 78 PID 4864 wrote to memory of 4884 4864 net.exe 78 PID 4864 wrote to memory of 4884 4864 net.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.exe"C:\Users\Admin\AppData\Local\Temp\294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Users\Admin\AppData\Local\Temp\is-613F1.tmp\294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp"C:\Users\Admin\AppData\Local\Temp\is-613F1.tmp\294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp" /SL5="$90138,3245822,76288,C:\Users\Admin\AppData\Local\Temp\294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:508 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:1732
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C:\Program Files (x86)\Common Files\BVSMPEG4\mpeg4codec.exe"C:\Program Files (x86)\Common Files\BVSMPEG4\mpeg4codec.exe" -i3⤵
- Executes dropped EXE
PID:1140
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 283⤵
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 284⤵PID:4884
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C:\Program Files (x86)\Common Files\BVSMPEG4\mpeg4codec.exe"C:\Program Files (x86)\Common Files\BVSMPEG4\mpeg4codec.exe" -s3⤵
- Executes dropped EXE
PID:1520
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.8MB
MD5a863cd83ad9b26cf86d9a916a5505134
SHA1465f99123bfde43b7d5e841bb445f4428a9c63ae
SHA2561e5366ce3d44c99dde2efbc19ef660beddffe65bd98a7b02e25f91f27b3c3805
SHA5121879c5f2249be0e5dc97ecb4c73322e63c77725c8629efcefb33b71fe1f7f1f7b3a7696d311a5eac454ce4c8b5f013bdef23db30cc1ebd18aea75ce32c08a660
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Filesize
3.8MB
MD5a863cd83ad9b26cf86d9a916a5505134
SHA1465f99123bfde43b7d5e841bb445f4428a9c63ae
SHA2561e5366ce3d44c99dde2efbc19ef660beddffe65bd98a7b02e25f91f27b3c3805
SHA5121879c5f2249be0e5dc97ecb4c73322e63c77725c8629efcefb33b71fe1f7f1f7b3a7696d311a5eac454ce4c8b5f013bdef23db30cc1ebd18aea75ce32c08a660
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Filesize
3.8MB
MD5a863cd83ad9b26cf86d9a916a5505134
SHA1465f99123bfde43b7d5e841bb445f4428a9c63ae
SHA2561e5366ce3d44c99dde2efbc19ef660beddffe65bd98a7b02e25f91f27b3c3805
SHA5121879c5f2249be0e5dc97ecb4c73322e63c77725c8629efcefb33b71fe1f7f1f7b3a7696d311a5eac454ce4c8b5f013bdef23db30cc1ebd18aea75ce32c08a660
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C:\Users\Admin\AppData\Local\Temp\is-613F1.tmp\294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp
Filesize683KB
MD5f507ce43ea08d1721816ad4b0e090f50
SHA1e4f02bcd410bddabea4c741838d9a88386547629
SHA256d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1
SHA51237b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693
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C:\Users\Admin\AppData\Local\Temp\is-613F1.tmp\294a7587fc113a4199db2306428922f491607752bda190d3472cef212c33c716.tmp
Filesize683KB
MD5f507ce43ea08d1721816ad4b0e090f50
SHA1e4f02bcd410bddabea4c741838d9a88386547629
SHA256d2218bde27d66f28e3caf15e899653a9357ebdc7adf9a763b687f6c03c93e5e1
SHA51237b2f92df632f75447572df840a236ef01021e8291536bf2e8156179333f770afdd8bcbf50cb05bbdbdaa53c00ace46119290800b115823ea035a2389a3f6693
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
32KB
MD5b6f11a0ab7715f570f45900a1fe84732
SHA177b1201e535445af5ea94c1b03c0a1c34d67a77b
SHA256e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67
SHA51278a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771
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Filesize
32KB
MD5b6f11a0ab7715f570f45900a1fe84732
SHA177b1201e535445af5ea94c1b03c0a1c34d67a77b
SHA256e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67
SHA51278a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771