Analysis
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max time kernel
170s -
max time network
30s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 10:40
Static task
static1
Behavioral task
behavioral1
Sample
29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422.exe
Resource
win10v2004-20220901-en
General
-
Target
29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422.exe
-
Size
18KB
-
MD5
9de1c02cb8f6203bcf3b6f79962adb7b
-
SHA1
79b9d852150ce8504cd9e1a0a8fbab8f85c06903
-
SHA256
29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422
-
SHA512
c3663475e1f25351b4ec6587e85549da74a72ee1d07d286c0d0d8b368a42f8a807995e5e31e34397e860c2712f0ff1ffd848d523313d744e10422ead18d8285b
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SSDEEP
192:K790pylszn3MPFjuOZrCZ047a1oyn361miLMgepar8Vd/d:s2pzn4sOZrCv7a18wiLMge68VdV
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
vytkz.exepid process 1716 vytkz.exe -
Loads dropped DLL 1 IoCs
Processes:
29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422.exepid process 1772 29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422.exedescription pid process target process PID 1772 wrote to memory of 1716 1772 29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422.exe vytkz.exe PID 1772 wrote to memory of 1716 1772 29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422.exe vytkz.exe PID 1772 wrote to memory of 1716 1772 29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422.exe vytkz.exe PID 1772 wrote to memory of 1716 1772 29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422.exe vytkz.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422.exe"C:\Users\Admin\AppData\Local\Temp\29f5b14e969311a2b17e53f72105316671680837cec9f53c7520fe0775807422.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1772 -
C:\Users\Admin\AppData\Local\Temp\vytkz.exe"C:\Users\Admin\AppData\Local\Temp\vytkz.exe"2⤵
- Executes dropped EXE
PID:1716
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
18KB
MD51b2bcebf800adb80593fa48b97e2059f
SHA13bfde8d14bd57e86690841e908437dd9bf99f345
SHA2564c91fcacff59167d74af7e04887b462ca31bc0481ebe5deca78b84790cc20ed0
SHA512acb6d9235eef696d2735219e32bd51d83b129df5ff1c2759719918af5978063997d995de6f5e80c7aff100dfaf2cac5a48210e21b77a7dc184ef2f1be1306377
-
Filesize
18KB
MD51b2bcebf800adb80593fa48b97e2059f
SHA13bfde8d14bd57e86690841e908437dd9bf99f345
SHA2564c91fcacff59167d74af7e04887b462ca31bc0481ebe5deca78b84790cc20ed0
SHA512acb6d9235eef696d2735219e32bd51d83b129df5ff1c2759719918af5978063997d995de6f5e80c7aff100dfaf2cac5a48210e21b77a7dc184ef2f1be1306377
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Filesize
18KB
MD51b2bcebf800adb80593fa48b97e2059f
SHA13bfde8d14bd57e86690841e908437dd9bf99f345
SHA2564c91fcacff59167d74af7e04887b462ca31bc0481ebe5deca78b84790cc20ed0
SHA512acb6d9235eef696d2735219e32bd51d83b129df5ff1c2759719918af5978063997d995de6f5e80c7aff100dfaf2cac5a48210e21b77a7dc184ef2f1be1306377