Analysis
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max time kernel
140s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16-09-2024 18:50
Static task
static1
Behavioral task
behavioral1
Sample
utt48BE.tmp.exe
Resource
win7-20240903-en
General
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Target
utt48BE.tmp.exe
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Size
500KB
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MD5
3a0262aa2276d4b3d433425ca5768c02
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SHA1
3ace9965f9a29e788cd2e372034e8e0f43b56ce1
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SHA256
6ef732cd43a424e299f419b6a30ea9762177e3d278ab94c95acb541c68b13d5d
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SHA512
0d50dd03bc7583abdaca40b712a368926a72227c69acae97fa3f50eee8cabfd2f0057b4e9746917ff30ec051f9365f98ff0f1d543a32941f5695b1ccc4915ed3
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SSDEEP
12288:NDE9UkwbswPyoLbMmiWm7IXFCb6xPiBjvrEH7i4:dQpwbr6mYKm7aL9ErEH7b
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x000b00000001227d-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000b00000001227d-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 2332 utt48BE.tmp.exe -
resource yara_rule behavioral1/files/0x000b00000001227d-1.dat upx behavioral1/memory/2332-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2332-6-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll utt48BE.tmp.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2752 2332 WerFault.exe 29 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language utt48BE.tmp.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2332 utt48BE.tmp.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2332 wrote to memory of 2752 2332 utt48BE.tmp.exe 30 PID 2332 wrote to memory of 2752 2332 utt48BE.tmp.exe 30 PID 2332 wrote to memory of 2752 2332 utt48BE.tmp.exe 30 PID 2332 wrote to memory of 2752 2332 utt48BE.tmp.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\utt48BE.tmp.exe"C:\Users\Admin\AppData\Local\Temp\utt48BE.tmp.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 2482⤵
- Program crash
PID:2752
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab