Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
15-02-2023 18:39
Static task
static1
Behavioral task
behavioral1
Sample
Pdygfcjfevthba.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
Pdygfcjfevthba.exe
Resource
win10v2004-20221111-en
General
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Target
Pdygfcjfevthba.exe
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Size
884KB
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MD5
054d3ce0c0c82f28547112a82f8ea692
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SHA1
8c088a60d8f7e66261cca8d4ccb384ea1d9ad2c4
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SHA256
591ea8c06daef587f239bbaa3d29cb46ccba25ccba58c324441efbaf4c5eb5d8
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SHA512
45978b98a401d90be5c0db269fb52abc11a185b2a0e68eafa1d4b6ecf830944b53d6d166fd8bee5b28088d48c2b521ad3968f4569025817fd67a88967c87aeab
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SSDEEP
12288:Cb8A+lyMML0gN55kXFyqf0bGBvGoE3IhAf1nAhglR:C4ZzML0gN5WXFaK9GoEHf1nAhglR
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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ModiLoader Second Stage 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3788-132-0x0000000002430000-0x000000000245C000-memory.dmp modiloader_stage2 -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Pdygfcjfevthba.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Pdygfcjf = "C:\\Users\\Public\\Libraries\\fjcfgydP.url" Pdygfcjfevthba.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
iexpress.exesvchost.exedescription pid process target process PID 320 set thread context of 784 320 iexpress.exe Explorer.EXE PID 3424 set thread context of 784 3424 svchost.exe Explorer.EXE -
Processes:
svchost.exedescription ioc process Key created \Registry\User\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 svchost.exe -
Suspicious behavior: EnumeratesProcesses 62 IoCs
Processes:
Pdygfcjfevthba.exeiexpress.exesvchost.exepid process 3788 Pdygfcjfevthba.exe 3788 Pdygfcjfevthba.exe 320 iexpress.exe 320 iexpress.exe 320 iexpress.exe 320 iexpress.exe 320 iexpress.exe 320 iexpress.exe 320 iexpress.exe 320 iexpress.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 784 Explorer.EXE -
Suspicious behavior: MapViewOfSection 7 IoCs
Processes:
iexpress.exesvchost.exepid process 320 iexpress.exe 320 iexpress.exe 320 iexpress.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe 3424 svchost.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
iexpress.exeExplorer.EXEsvchost.exedescription pid process Token: SeDebugPrivilege 320 iexpress.exe Token: SeShutdownPrivilege 784 Explorer.EXE Token: SeCreatePagefilePrivilege 784 Explorer.EXE Token: SeShutdownPrivilege 784 Explorer.EXE Token: SeCreatePagefilePrivilege 784 Explorer.EXE Token: SeDebugPrivilege 3424 svchost.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
Pdygfcjfevthba.exeExplorer.EXEsvchost.exedescription pid process target process PID 3788 wrote to memory of 320 3788 Pdygfcjfevthba.exe iexpress.exe PID 3788 wrote to memory of 320 3788 Pdygfcjfevthba.exe iexpress.exe PID 3788 wrote to memory of 320 3788 Pdygfcjfevthba.exe iexpress.exe PID 3788 wrote to memory of 320 3788 Pdygfcjfevthba.exe iexpress.exe PID 3788 wrote to memory of 320 3788 Pdygfcjfevthba.exe iexpress.exe PID 3788 wrote to memory of 320 3788 Pdygfcjfevthba.exe iexpress.exe PID 784 wrote to memory of 3424 784 Explorer.EXE svchost.exe PID 784 wrote to memory of 3424 784 Explorer.EXE svchost.exe PID 784 wrote to memory of 3424 784 Explorer.EXE svchost.exe PID 3424 wrote to memory of 756 3424 svchost.exe Firefox.exe PID 3424 wrote to memory of 756 3424 svchost.exe Firefox.exe PID 3424 wrote to memory of 756 3424 svchost.exe Firefox.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:784 -
C:\Users\Admin\AppData\Local\Temp\Pdygfcjfevthba.exe"C:\Users\Admin\AppData\Local\Temp\Pdygfcjfevthba.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3788 -
C:\Windows\SysWOW64\iexpress.exeC:\Windows\System32\iexpress.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:320 -
C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.exe"2⤵
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3424 -
C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:756