Analysis
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max time kernel
132s -
max time network
124s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
22-10-2021 05:41
General
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Target
DHL Receipt_AWB#2045829822.exe
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Size
543KB
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MD5
ef4965b918eaf2d304c6278bf64c8714
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SHA1
61177734335a54f472b2b5cecacd731e5e7de08c
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SHA256
b99967ce372dc403c15d04d922a3f2ad461f55fe634aa5f00938fa3ef8d5fc4d
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SHA512
48eb139ec3f6d591aa1a26ca2c10d7d95494920da61b4e3343f5eb4fa562e5572b210bcaf35f16be4ddf6fda7dce009712b6e9edd8de5b955e6fea0cdd1810c3
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.croatiahunt.com - Port:
587 - Username:
info@croatiahunt.com - Password:
VilaVrgade852
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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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 WriteProcessMemory 8 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB#2045829822.exe"C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB#2045829822.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB#2045829822.exe"C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB#2045829822.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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\DHL Receipt_AWB#2045829822.exe.logMD5
0c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078
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memory/3036-122-0x00000000056E0000-0x00000000056E1000-memory.dmpFilesize
4KB
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memory/3036-117-0x0000000004F40000-0x0000000004F41000-memory.dmpFilesize
4KB
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memory/3036-119-0x00000000049F0000-0x00000000049F1000-memory.dmpFilesize
4KB
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memory/3036-120-0x0000000004A40000-0x0000000004F3E000-memory.dmpFilesize
5.0MB
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memory/3036-121-0x0000000004A20000-0x0000000004A27000-memory.dmpFilesize
28KB
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memory/3036-115-0x00000000000A0000-0x00000000000A1000-memory.dmpFilesize
4KB
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memory/3036-123-0x0000000005880000-0x00000000058D8000-memory.dmpFilesize
352KB
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memory/3036-118-0x0000000004950000-0x0000000004951000-memory.dmpFilesize
4KB
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memory/3264-124-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3264-125-0x00000000004375AE-mapping.dmp
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memory/3264-131-0x0000000004DF0000-0x00000000052EE000-memory.dmpFilesize
5.0MB
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memory/3264-132-0x0000000005AE0000-0x0000000005AE1000-memory.dmpFilesize
4KB
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memory/3264-133-0x0000000005B70000-0x0000000005B71000-memory.dmpFilesize
4KB
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memory/3264-136-0x0000000004DF0000-0x00000000052EE000-memory.dmpFilesize
5.0MB