Analysis
-
max time kernel
50s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
27/11/2022, 02:43
Static task
static1
Behavioral task
behavioral1
Sample
a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe
Resource
win10v2004-20220812-en
General
-
Target
a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe
-
Size
623KB
-
MD5
2107fc71caf8a0a75f4a664305e320ad
-
SHA1
e07bc25dc049c4d6476962ea84a509376cad6da0
-
SHA256
a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c
-
SHA512
3057546f7bb89ba78ebc2bb5e73e5f0828edad9cfb2c9a71259d8375319fe046b98e52debd21731ca8f7253a45120bbbf7efb4d2f8e0e18f84e33141ad568f42
-
SSDEEP
12288:XQXik2ugDdI251hczaS3wc4CUu4SRFZ0yD2D:1k2uN+0H3TXFRFqyD2D
Malware Config
Signatures
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe -
Executes dropped EXE 1 IoCs
pid Process 552 s2171.exe -
Loads dropped DLL 4 IoCs
pid Process 1388 a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe 1388 a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe 1388 a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe 1388 a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81 s2171.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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 s2171.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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 s2171.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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 s2171.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1388 a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe 552 s2171.exe 552 s2171.exe 552 s2171.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 552 s2171.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 552 s2171.exe 552 s2171.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1388 wrote to memory of 552 1388 a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe 27 PID 1388 wrote to memory of 552 1388 a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe 27 PID 1388 wrote to memory of 552 1388 a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe 27 PID 1388 wrote to memory of 552 1388 a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe 27
Processes
-
C:\Users\Admin\AppData\Local\Temp\a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe"C:\Users\Admin\AppData\Local\Temp\a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Loads dropped DLL
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Users\Admin\AppData\Local\Temp\n2171\s2171.exe"C:\Users\Admin\AppData\Local\Temp\n2171\s2171.exe" 81ce6d483d6471f504655096s2izIh0VUibLCJ1cFxHUCREbLcZgLzGvnzo1DgWPHLmLqv9GFel2oLsianW0+PTyJQ3w3PHFTXbigeoQ0PyA/LDDcYbiATzGoYrmI/oPT6saRUi4hFgesGheHwzlCcoBQLJWPqVmKy4cnIu07kAq7KtowR316vveAvyY /v "C:\Users\Admin\AppData\Local\Temp\a25f88c3f275afdc17aff999fafe29ab4002ecdb66b7b3d8b6e2216aad915b9c.exe"2⤵
- Executes dropped EXE
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:552
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
350KB
MD560f9fa6a5debd2cd96317dabe147c68b
SHA18f82a7369b15d5b7f552db5e4e9a65b01c41e8d5
SHA256005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae
SHA5121124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6
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Filesize
350KB
MD560f9fa6a5debd2cd96317dabe147c68b
SHA18f82a7369b15d5b7f552db5e4e9a65b01c41e8d5
SHA256005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae
SHA5121124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6
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Filesize
350KB
MD560f9fa6a5debd2cd96317dabe147c68b
SHA18f82a7369b15d5b7f552db5e4e9a65b01c41e8d5
SHA256005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae
SHA5121124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6
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Filesize
350KB
MD560f9fa6a5debd2cd96317dabe147c68b
SHA18f82a7369b15d5b7f552db5e4e9a65b01c41e8d5
SHA256005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae
SHA5121124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6
-
Filesize
350KB
MD560f9fa6a5debd2cd96317dabe147c68b
SHA18f82a7369b15d5b7f552db5e4e9a65b01c41e8d5
SHA256005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae
SHA5121124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6
-
Filesize
350KB
MD560f9fa6a5debd2cd96317dabe147c68b
SHA18f82a7369b15d5b7f552db5e4e9a65b01c41e8d5
SHA256005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae
SHA5121124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6