Analysis
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max time kernel
14s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
09/11/2024, 15:35
Static task
static1
Behavioral task
behavioral1
Sample
eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe
Resource
win7-20241010-en
General
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Target
eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe
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Size
640KB
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MD5
9d750dc7d494f5a04cc82c91a0cfe110
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SHA1
3954f855a79773eb2b4b7a6acf4d32b23d1350a1
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SHA256
eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327
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SHA512
8073525c7440e3e1e8a21967102869c2e2b898a5bc59bcc0e73983df0ae627795e05d6d3c43ee9ef8b04366a4317b57209744a48f07dc56202b7be17e7b1db87
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SSDEEP
12288:8SvoAT6AV0E7BAmEjCtLwwsv+KKhlz/HjrGoSf7FHfMdHnBjvrEH7p:8SZmAtTFwFM/xSxfMBlrEH7p
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x000a000000012262-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000a000000012262-1.dat acprotect -
Executes dropped EXE 1 IoCs
pid Process 2744 update.exe -
Loads dropped DLL 8 IoCs
pid Process 2280 eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe 2280 eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe 2280 eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe 2744 update.exe 2744 update.exe 2744 update.exe 2744 update.exe 2280 eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\e: eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe -
resource yara_rule behavioral1/files/0x000a000000012262-1.dat upx behavioral1/memory/2280-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2280-59-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2280-60-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2280-65-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe File created \??\c:\program files\common files\system\symsrv.dll.000 eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\setupapi.log update.exe File opened for modification \??\c:\windows\KB923423.log update.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language update.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2280 eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 2280 eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe Token: SeRestorePrivilege 2744 update.exe Token: SeRestorePrivilege 2744 update.exe Token: SeRestorePrivilege 2744 update.exe Token: SeRestorePrivilege 2744 update.exe Token: SeRestorePrivilege 2744 update.exe Token: SeRestorePrivilege 2744 update.exe Token: SeRestorePrivilege 2744 update.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2280 wrote to memory of 2744 2280 eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe 31 PID 2280 wrote to memory of 2744 2280 eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe 31 PID 2280 wrote to memory of 2744 2280 eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe 31 PID 2280 wrote to memory of 2744 2280 eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe 31 PID 2280 wrote to memory of 2744 2280 eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe 31 PID 2280 wrote to memory of 2744 2280 eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe 31 PID 2280 wrote to memory of 2744 2280 eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe"C:\Users\Admin\AppData\Local\Temp\eb5ec3b7d5e40e7e5ac48e35aa92e95c2cedde328d1363122c72e4b637764327N.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2280 -
\??\c:\c8c6b46cebdfffe06e\update\update.exec:\c8c6b46cebdfffe06e\update\update.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2744
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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
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Filesize
25KB
MD5ee207e35aea4d5df41d90221e1b66efa
SHA1757469cf9ad2f21f267bbe730560114fdf8a89a5
SHA256cf64c95e9a2d02967efc22b00efb3736156b913a95231eb63c1df45d43475e64
SHA51243e9f75725daa4f3428b2d9cee2c2cc8b2f2e991b8e58d72d2f429fbdfb614c86d172f03d3f9da98756bd4e245643d9a57c6efa422d6c60ad364a2322245542d
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Filesize
413KB
MD5daa477b22e2c19a9cc11db2392827bc4
SHA1be3bac2f074f4fad2f363fbf65ef52f9988e230a
SHA256e47f9a541ffeed772639abbecf4a070ced7f0dcaf8cae54e368633227cc8430c
SHA512cee274314ace10ed8110397446823f0528b52ea575357687d1b881482be1f0eff3b0e9c1d30dde7b008f0e7e78567e72442d1e46899f8045c63c487900427fed
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Filesize
683KB
MD5e265f4549a137e02dd049102ec73f8da
SHA19ef4c6208913b66670b19662845024b144511e55
SHA256c870e6680683cefffb7f7ecad848ab956099095bdf8ae7a68055384407d8d6ee
SHA5129f2da8efd2677a99e2484e6d2734bb320beceed8a482d95e99fea1fd21b52bc9818526ce4ed90dbc288b2da6ba2accf09af8bb75ed73fece89025727513f9ee4
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Filesize
337KB
MD550166a8cac712edf084573eb0de57a30
SHA1424cd652fa5db27d789f17c9473448c1e96a38ec
SHA256c78fb1c4310b660659c749a6f9e04b6a1aca80579d9120ddbff9a909369347a1
SHA512b5d73d75102ebd420b2a0e640b6b3d44b0d67820ac3e2b1d4941f6bc5e8672e2a179dabe9fc189c605ca236665f1dbb94b033acb8fe25414a534bd3620bbeaf8