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Analysis
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max time kernel
149s -
max time network
92s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
14/07/2020, 13:22
Static task
static1
Behavioral task
behavioral1
Sample
DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe
Resource
win10v200430
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\C8A579F880\Log.txt
masslogger
Signatures
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Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe Token: SeDebugPrivilege 1808 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 1356 set thread context of 1808 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 28 -
Loads dropped DLL 1 IoCs
pid Process 1808 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1808 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 17 IoCs
description pid Process procid_target PID 1356 wrote to memory of 1792 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 26 PID 1356 wrote to memory of 1792 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 26 PID 1356 wrote to memory of 1792 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 26 PID 1356 wrote to memory of 1792 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 26 PID 1356 wrote to memory of 1816 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 27 PID 1356 wrote to memory of 1816 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 27 PID 1356 wrote to memory of 1816 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 27 PID 1356 wrote to memory of 1816 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 27 PID 1356 wrote to memory of 1808 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 28 PID 1356 wrote to memory of 1808 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 28 PID 1356 wrote to memory of 1808 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 28 PID 1356 wrote to memory of 1808 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 28 PID 1356 wrote to memory of 1808 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 28 PID 1356 wrote to memory of 1808 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 28 PID 1356 wrote to memory of 1808 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 28 PID 1356 wrote to memory of 1808 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 28 PID 1356 wrote to memory of 1808 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 28 -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
yara_rule masslogger_log_file -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1808 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 5 api.ipify.org -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 1356 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe 1808 DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe
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 AdjustPrivilegeToken
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
PID:1356 -
C:\Users\Admin\AppData\Local\Temp\DHL AWB Incoming ETA 0807 G.W 18.60 kgnet Delivery from GUMTEC-KOREA_pdf____________.exe"{path}"2⤵PID:1792
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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"{path}"2⤵PID:1816
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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"{path}"2⤵
- Suspicious use of AdjustPrivilegeToken
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
PID:1808
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