Analysis
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max time kernel
74s -
max time network
68s -
platform
windows7_x64 -
resource
win7 -
submitted
14/07/2020, 13:23
Static task
static1
Behavioral task
behavioral1
Sample
DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe
Resource
win7
Behavioral task
behavioral2
Sample
DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe
Resource
win10
General
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Target
DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe
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Size
1.9MB
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MD5
29ef05a7b09d8ea9dff23a13a6845b21
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SHA1
03c2136b3bf92209f8ee934693c67e208dd5b721
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SHA256
e666762b026d8017d202c3bf8f6b32d9a13bff5549735a93611e79b3c1a9ff83
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SHA512
a3739b7c7f085d827db7f0214566967cb734264bbf025820d96786cf8be8ec63aa6eab2eb3590be4177b6f0e41817fd47ea57e75dac5b59499c2fa4e7466b8a5
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\E2C1E8F1FA\Log.txt
masslogger
Signatures
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Loads dropped DLL 1 IoCs
pid Process 912 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
yara_rule masslogger_log_file -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 912 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1108 set thread context of 912 1108 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 24 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 912 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 912 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 912 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1108 wrote to memory of 912 1108 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 24 PID 1108 wrote to memory of 912 1108 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 24 PID 1108 wrote to memory of 912 1108 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 24 PID 1108 wrote to memory of 912 1108 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 24 PID 1108 wrote to memory of 912 1108 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 24 PID 1108 wrote to memory of 912 1108 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 24 PID 1108 wrote to memory of 912 1108 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 24 PID 1108 wrote to memory of 912 1108 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 24 PID 1108 wrote to memory of 912 1108 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 24
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe"C:\Users\Admin\AppData\Local\Temp\DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1108 -
C:\Users\Admin\AppData\Local\Temp\DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe"{path}"2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
PID:912
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