Analysis
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max time kernel
141s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
29-12-2023 18:38
Behavioral task
behavioral1
Sample
00b4bd4ea0dd04902c866b18bfcec92e.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
00b4bd4ea0dd04902c866b18bfcec92e.exe
Resource
win10v2004-20231222-en
General
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Target
00b4bd4ea0dd04902c866b18bfcec92e.exe
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Size
202KB
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MD5
00b4bd4ea0dd04902c866b18bfcec92e
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SHA1
bc2aa02128cb9f589021afffb4820741d775321a
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SHA256
e260335fa8c9608d57836d2da154c6544242df24ef2944ef6030c2fee532185c
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SHA512
8c9718aad6abfefa21335dfa5003f8c93135e8a2168074cc50680766bb2db8d397cd8999ad7a27a7245dab6849a23f9368e60f1e97b70d0979beae0fab86f99c
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SSDEEP
6144:L0YhjwuTT396HSjGT7UZ5SPzcxt4ZAoQgL:NhjfTTHBkc4Z7QG
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2668-0-0x0000000000400000-0x0000000000477000-memory.dmp upx behavioral1/memory/2668-17-0x0000000000400000-0x0000000000477000-memory.dmp upx behavioral1/memory/2668-18-0x0000000000400000-0x0000000000477000-memory.dmp upx behavioral1/memory/2668-22-0x0000000000400000-0x0000000000477000-memory.dmp upx behavioral1/memory/2668-23-0x0000000000400000-0x0000000000477000-memory.dmp upx behavioral1/memory/2668-27-0x0000000000400000-0x0000000000477000-memory.dmp upx behavioral1/memory/2668-28-0x0000000000400000-0x0000000000477000-memory.dmp upx -
Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\h: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\n: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\p: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\r: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\t: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\u: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\v: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\w: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\e: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\j: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\l: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\o: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\y: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\g: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\i: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\k: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\m: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\q: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\s: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\x: 00b4bd4ea0dd04902c866b18bfcec92e.exe File opened (read-only) \??\z: 00b4bd4ea0dd04902c866b18bfcec92e.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 00b4bd4ea0dd04902c866b18bfcec92e.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\SAItest.txt 00b4bd4ea0dd04902c866b18bfcec92e.exe