Analysis
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max time kernel
129s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25/12/2023, 12:50
Static task
static1
Behavioral task
behavioral1
Sample
1fc8a045d27bb49066562441be908997.exe
Resource
win7-20231215-en
General
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Target
1fc8a045d27bb49066562441be908997.exe
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Size
124KB
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MD5
1fc8a045d27bb49066562441be908997
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SHA1
a04b9dd5f27932f6cdb6ddfcecb36f15e73041ed
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SHA256
36d3b50ffe4f63ad56648c586d76b80094c625db7c2c0309b9848dd95972f123
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SHA512
9e4f2c7c535626fb1a9560229658966c1affba2d24652721905ee590cba338a9fb58ae1ff019a20a37e9596d78c000e263fc687c67f1219ded799d59b35b6cec
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SSDEEP
3072:vDSKiauBZz/DhceNw1OTw+XIU5jwaaHw7Koj4rBV:rSKbwhdcqYIhXNA
Malware Config
Signatures
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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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation 1fc8a045d27bb49066562441be908997.exe -
Executes dropped EXE 1 IoCs
pid Process 4844 dnpkqbhsnyxcplvh.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 5116 2260 WerFault.exe 91 3572 3920 WerFault.exe 106 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2405246894" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2342589888" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B6CC40F9-A55B-11EE-B6AD-E6683C810C58} = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2342589888" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31078760" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31078760" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2566027378" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31078760" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31078760" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410517361" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 656 Process not Found -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 5064 1fc8a045d27bb49066562441be908997.exe Token: SeDebugPrivilege 5064 1fc8a045d27bb49066562441be908997.exe Token: SeSecurityPrivilege 4844 dnpkqbhsnyxcplvh.exe Token: SeLoadDriverPrivilege 4844 dnpkqbhsnyxcplvh.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2380 IEXPLORE.EXE 2380 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2380 IEXPLORE.EXE 2380 IEXPLORE.EXE 872 IEXPLORE.EXE 872 IEXPLORE.EXE 872 IEXPLORE.EXE 872 IEXPLORE.EXE 2380 IEXPLORE.EXE 2380 IEXPLORE.EXE 3028 IEXPLORE.EXE 3028 IEXPLORE.EXE 3028 IEXPLORE.EXE 3028 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 5064 wrote to memory of 2260 5064 1fc8a045d27bb49066562441be908997.exe 91 PID 5064 wrote to memory of 2260 5064 1fc8a045d27bb49066562441be908997.exe 91 PID 5064 wrote to memory of 2260 5064 1fc8a045d27bb49066562441be908997.exe 91 PID 5064 wrote to memory of 2260 5064 1fc8a045d27bb49066562441be908997.exe 91 PID 5064 wrote to memory of 2260 5064 1fc8a045d27bb49066562441be908997.exe 91 PID 5064 wrote to memory of 2260 5064 1fc8a045d27bb49066562441be908997.exe 91 PID 5064 wrote to memory of 2260 5064 1fc8a045d27bb49066562441be908997.exe 91 PID 5064 wrote to memory of 2260 5064 1fc8a045d27bb49066562441be908997.exe 91 PID 5064 wrote to memory of 2260 5064 1fc8a045d27bb49066562441be908997.exe 91 PID 5064 wrote to memory of 1440 5064 1fc8a045d27bb49066562441be908997.exe 97 PID 5064 wrote to memory of 1440 5064 1fc8a045d27bb49066562441be908997.exe 97 PID 5064 wrote to memory of 1440 5064 1fc8a045d27bb49066562441be908997.exe 97 PID 1440 wrote to memory of 2380 1440 iexplore.exe 98 PID 1440 wrote to memory of 2380 1440 iexplore.exe 98 PID 2380 wrote to memory of 872 2380 IEXPLORE.EXE 101 PID 2380 wrote to memory of 872 2380 IEXPLORE.EXE 101 PID 2380 wrote to memory of 872 2380 IEXPLORE.EXE 101 PID 5064 wrote to memory of 3920 5064 1fc8a045d27bb49066562441be908997.exe 106 PID 5064 wrote to memory of 3920 5064 1fc8a045d27bb49066562441be908997.exe 106 PID 5064 wrote to memory of 3920 5064 1fc8a045d27bb49066562441be908997.exe 106 PID 5064 wrote to memory of 3920 5064 1fc8a045d27bb49066562441be908997.exe 106 PID 5064 wrote to memory of 3920 5064 1fc8a045d27bb49066562441be908997.exe 106 PID 5064 wrote to memory of 3920 5064 1fc8a045d27bb49066562441be908997.exe 106 PID 5064 wrote to memory of 3920 5064 1fc8a045d27bb49066562441be908997.exe 106 PID 5064 wrote to memory of 3920 5064 1fc8a045d27bb49066562441be908997.exe 106 PID 5064 wrote to memory of 3920 5064 1fc8a045d27bb49066562441be908997.exe 106 PID 5064 wrote to memory of 2964 5064 1fc8a045d27bb49066562441be908997.exe 111 PID 5064 wrote to memory of 2964 5064 1fc8a045d27bb49066562441be908997.exe 111 PID 5064 wrote to memory of 2964 5064 1fc8a045d27bb49066562441be908997.exe 111 PID 2964 wrote to memory of 4036 2964 iexplore.exe 112 PID 2964 wrote to memory of 4036 2964 iexplore.exe 112 PID 2380 wrote to memory of 3028 2380 IEXPLORE.EXE 113 PID 2380 wrote to memory of 3028 2380 IEXPLORE.EXE 113 PID 2380 wrote to memory of 3028 2380 IEXPLORE.EXE 113 PID 5064 wrote to memory of 4844 5064 1fc8a045d27bb49066562441be908997.exe 115 PID 5064 wrote to memory of 4844 5064 1fc8a045d27bb49066562441be908997.exe 115 PID 5064 wrote to memory of 4844 5064 1fc8a045d27bb49066562441be908997.exe 115
Processes
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C:\Users\Admin\AppData\Local\Temp\1fc8a045d27bb49066562441be908997.exe"C:\Users\Admin\AppData\Local\Temp\1fc8a045d27bb49066562441be908997.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5064 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵PID:2260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2260 -s 2043⤵
- Program crash
PID:5116
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C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2380 CREDAT:17410 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:872
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2380 CREDAT:82950 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3028
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe2⤵PID:3920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3920 -s 2043⤵
- Program crash
PID:3572
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C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"3⤵
- Modifies Internet Explorer settings
PID:4036
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C:\Users\Admin\AppData\Local\Temp\dnpkqbhsnyxcplvh.exe"C:\Users\Admin\AppData\Local\Temp\dnpkqbhsnyxcplvh.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2260 -ip 22601⤵PID:5040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3920 -ip 39201⤵PID:4048
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
124KB
MD51fc8a045d27bb49066562441be908997
SHA1a04b9dd5f27932f6cdb6ddfcecb36f15e73041ed
SHA25636d3b50ffe4f63ad56648c586d76b80094c625db7c2c0309b9848dd95972f123
SHA5129e4f2c7c535626fb1a9560229658966c1affba2d24652721905ee590cba338a9fb58ae1ff019a20a37e9596d78c000e263fc687c67f1219ded799d59b35b6cec