Analysis
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max time kernel
123s -
max time network
116s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
22-07-2021 08:25
General
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Target
1FINAL_REVISED_INVOICE_AND_PACKING_LIST_FOR_SHIPMENT_Email_no._M1053_dd._July_20__2021.exe
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Size
908KB
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MD5
144141ae2aa727bc13fd74745b7a1315
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SHA1
05c9afef4033721637adb0e8ae5bfe2339eab9af
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SHA256
39237253378c85888c0281afc0190177c88c3d648089782de5ae1cab7e67ecef
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SHA512
52d64205719b12b881008a3aa9fc1a00835ea607f81e61b7a3b27526e4e10123439419512cb113ecfb9e4dcda32b4a703c14f536c55b285b1f6be5e67332d8f5
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://universalinks.net/ - Port:
21 - Username:
bring4@universalinks.net - Password:
{lafa{u^wEx8
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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AgentTesla Payload 3 IoCs
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Drops file in Drivers directory 1 IoCs
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\1FINAL_REVISED_INVOICE_AND_PACKING_LIST_FOR_SHIPMENT_Email_no._M1053_dd._July_20__2021.exe"C:\Users\Admin\AppData\Local\Temp\1FINAL_REVISED_INVOICE_AND_PACKING_LIST_FOR_SHIPMENT_Email_no._M1053_dd._July_20__2021.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\1FINAL_REVISED_INVOICE_AND_PACKING_LIST_FOR_SHIPMENT_Email_no._M1053_dd._July_20__2021.exe"{path}"2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1FINAL_REVISED_INVOICE_AND_PACKING_LIST_FOR_SHIPMENT_Email_no._M1053_dd._July_20__2021.exe.logMD5
0c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078
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memory/1864-119-0x0000000004D80000-0x0000000004D81000-memory.dmpFilesize
4KB
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memory/1864-124-0x00000000053B0000-0x00000000053E8000-memory.dmpFilesize
224KB
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memory/1864-118-0x0000000004F40000-0x0000000004F41000-memory.dmpFilesize
4KB
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memory/1864-114-0x00000000004B0000-0x00000000004B1000-memory.dmpFilesize
4KB
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memory/1864-120-0x0000000004D40000-0x0000000004D41000-memory.dmpFilesize
4KB
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memory/1864-121-0x0000000005140000-0x0000000005142000-memory.dmpFilesize
8KB
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memory/1864-117-0x0000000009780000-0x0000000009781000-memory.dmpFilesize
4KB
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memory/1864-123-0x0000000005430000-0x00000000054AF000-memory.dmpFilesize
508KB
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memory/1864-122-0x0000000007320000-0x0000000007321000-memory.dmpFilesize
4KB
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memory/1864-116-0x0000000007220000-0x000000000727F000-memory.dmpFilesize
380KB
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memory/3120-126-0x000000000043775E-mapping.dmp
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memory/3120-125-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3120-131-0x0000000004FC0000-0x00000000054BE000-memory.dmpFilesize
5.0MB
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memory/3120-133-0x0000000005430000-0x0000000005431000-memory.dmpFilesize
4KB
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memory/3120-134-0x0000000005D20000-0x0000000005D21000-memory.dmpFilesize
4KB