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Analysis
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max time kernel
148s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
10/01/2024, 06:00
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe
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Size
1.9MB
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MD5
b3e86c1f0cd4d3c80b6358ba5d04a4fc
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SHA1
31792f3ad45d997a4f75f53f735077cc47067c9c
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SHA256
fcd959776cf1c7b86e31ac27b6bc9156f062371534fe2e7507182ae1e862da6d
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SHA512
0210447bcb0dd2a77241feab6c79f82ecc127680707105b4fef0031edccf465ed7a2d14253e2feab171a5904080a196c0588c00ee172d51716cfd298a2908edf
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SSDEEP
24576:bvnizplWJhtl3hUt0oOYSzfwi2p/xdHATun37YWX4+33IQkQrEH7Y7:biglPTD2p/gTunLrIM
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000400000001e716-1.dat acprotect -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe -
Loads dropped DLL 1 IoCs
pid Process 1036 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe -
resource yara_rule behavioral2/files/0x000400000001e716-1.dat upx behavioral2/memory/1036-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1036-6-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1036-31-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1036-36-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1036-41-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1036-50-0x0000000010000000-0x0000000010030000-memory.dmp upx -
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: 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe File created \??\c:\program files\common files\system\symsrv.dll.000 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000_Classes\Local Settings 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 2336 NOTEPAD.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1036 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe 1036 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe 1036 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe 1036 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 664 Process not Found -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1036 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1036 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe 1036 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1036 wrote to memory of 2336 1036 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe 92 PID 1036 wrote to memory of 2336 1036 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe 92 PID 1036 wrote to memory of 2336 1036 2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-09_b3e86c1f0cd4d3c80b6358ba5d04a4fc_floxif_icedid.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1036 -
C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\cpuz_driver_1036.log2⤵
- Opens file in notepad (likely ransom note)
PID:2336
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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
661B
MD578fa20ec04eb69752d477c10c4d62409
SHA12153ae0f46581aba56a0f392f43913b80e7b3e88
SHA25600a4a67a85831dc1fc8f81bf28bc7bf2644add3f5f92cdeb07154471a0f1d2b8
SHA512a79c4751c823a7d68842bf43170508d549d3d29050c10800039949094be4adb33a8dabd8fe0408a3b93549146f6782a94bf09f888ecbca0fd3a96becb7788a0e
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Filesize
1015B
MD593bf8c0e96ae9e185f160e7a16d0f924
SHA13f752f2a530f29dc8a119be1f170e6293820a35c
SHA256c5dc12871e6c68aa3065fc2b0cd92511027ac222171bc728895ebf401b28c134
SHA51260b40c00d0795c929db2f4805d6b85ade6d8a192a58605ff4a339fffe3b8ac8e02382956cc56145599bc964ed5f8a7666b1c5fd4a4ab51a0448adde1dbc69da4
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Filesize
1KB
MD53c3e7f6496e82ef50fd2d379387d0f05
SHA161acb0b813075cd3215479d57ce47f39586148ae
SHA2564667819aa5147f8ab6d5c0280bc648c4b062d5014de8b19bae5b2abde804583c
SHA51247f1d549e011131fccf8152b779123c92a96e7166fceca917429d13083a06d11cc423a1d499f52ffc805a4d3d130e758a50a9f2b22d4d63922fc0b5c1f283e8a