Analysis
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max time kernel
147s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
12-03-2024 01:40
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe
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Size
3.9MB
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MD5
698318839e4b292ef124479d4f2c809a
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SHA1
0d0e56cf80cae98c6a3734c0a780a08b13d93292
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SHA256
db03a4005037ac858aa80ab2ff2ffbf2acd037dadd0f97f0e021ad46e090dd11
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SHA512
4e251697177df8ee212acc7850e8f7d9c068c06a987c771979413994c7e0ebe90420f4bdc96a094f8eb5e9a37212772d39e05c8bfb3b55325e57cd3a76821b11
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SSDEEP
49152:20Ruo4tmmXakgSdPkRKH1kdPHTRaPE4xMw5HiJLu4:2VXghRKH+dPzRGx55HiJLF
Malware Config
Signatures
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UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/files/0x000c0000000226fd-1.dat UPX behavioral2/memory/636-4-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/636-23-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/636-30-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/636-35-0x0000000010000000-0x0000000010030000-memory.dmp UPX behavioral2/memory/636-42-0x0000000010000000-0x0000000010030000-memory.dmp UPX -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000c0000000226fd-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-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe -
Loads dropped DLL 1 IoCs
pid Process 636 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe -
resource yara_rule behavioral2/files/0x000c0000000226fd-1.dat upx behavioral2/memory/636-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/636-23-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/636-30-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/636-35-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/636-42-0x0000000010000000-0x0000000010030000-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: 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe File created \??\c:\program files\common files\system\symsrv.dll.000 2024-03-12_698318839e4b292ef124479d4f2c809a_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\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E8658416-7CCB-4c1d-A021-AFF0A2EB8004} 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 636 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe 636 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe 636 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe 636 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe 636 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe 636 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 636 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 636 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe 636 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 636 wrote to memory of 4476 636 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe 90 PID 636 wrote to memory of 4476 636 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe 90 PID 636 wrote to memory of 4476 636 2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-12_698318839e4b292ef124479d4f2c809a_floxif_icedid.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-12_698318839e4b292ef124479d4f2c809a_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:636 -
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\PWRISOSH.DLL"2⤵PID:4476
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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
175B
MD51130c911bf5db4b8f7cf9b6f4b457623
SHA148e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA51294e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0
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Filesize
2KB
MD54198afdeb9ace242c575ee572af22e1f
SHA132784594ec69ca459878010401c3931be8e5e15e
SHA256b4d6704aabfcc8b7cb8f4ee58b162dd124e2d0e4dce20ecf13eebd262dd1e76e
SHA512d4288466d9a669c7735dc788f81fd5581876048644c48a58df5e2f8c70d468464d9de2bcbd295cdfe8510fd77a9a3cc26e3de0a1cf985622fec00baefda7f4cc