Analysis
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max time kernel
126s -
max time network
114s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15-09-2021 06:49
General
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Target
PO-250000000000000000000021111REF Order xls.exe
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Size
1.1MB
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MD5
e2425cf7559cf004d7a8e80b3a7b9ea4
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SHA1
2c3d2700d26e80b747b8c76d26a8ca3630040f5e
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SHA256
940f2782004506c71357af42283b01d48fc4e5cbf638468d7644a2ef9e5615a0
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SHA512
089edbd5b6bc651cae0c10bac8aeb1ae440d2398b7ebeea94b38b586a0761cf7725285a6fc47ba0343d208038278dc6a2b06d6fd0c34f944d77654f65adaf320
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mmdqatar.com - Port:
587 - Username:
mmdq@mmdqatar.com - Password:
172.93.148.185
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 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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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 2 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\PO-250000000000000000000021111REF Order xls.exe"C:\Users\Admin\AppData\Local\Temp\PO-250000000000000000000021111REF Order xls.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\PO-250000000000000000000021111REF Order xls.exe"{path}"2⤵
- Adds Run key to start application
- 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\PO-250000000000000000000021111REF Order xls.exe.logMD5
90acfd72f14a512712b1a7380c0faf60
SHA140ba4accb8faa75887e84fb8e38d598dc8cf0f12
SHA25620806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86
SHA51229dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9
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memory/2996-125-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2996-137-0x0000000005090000-0x000000000558E000-memory.dmpFilesize
5.0MB
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memory/2996-134-0x0000000005DF0000-0x0000000005DF1000-memory.dmpFilesize
4KB
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memory/2996-133-0x0000000005520000-0x0000000005521000-memory.dmpFilesize
4KB
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memory/2996-132-0x0000000005090000-0x000000000558E000-memory.dmpFilesize
5.0MB
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memory/2996-126-0x00000000004375DE-mapping.dmp
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memory/3716-119-0x0000000005050000-0x0000000005051000-memory.dmpFilesize
4KB
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memory/3716-123-0x0000000008BC0000-0x0000000008C42000-memory.dmpFilesize
520KB
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memory/3716-124-0x0000000008C50000-0x0000000008C8C000-memory.dmpFilesize
240KB
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memory/3716-122-0x0000000002AA0000-0x0000000002AAE000-memory.dmpFilesize
56KB
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memory/3716-121-0x0000000004FC0000-0x000000000505C000-memory.dmpFilesize
624KB
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memory/3716-120-0x0000000005370000-0x0000000005371000-memory.dmpFilesize
4KB
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memory/3716-114-0x00000000005D0000-0x00000000005D1000-memory.dmpFilesize
4KB
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memory/3716-118-0x00000000051B0000-0x00000000051B1000-memory.dmpFilesize
4KB
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memory/3716-117-0x00000000056B0000-0x00000000056B1000-memory.dmpFilesize
4KB
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memory/3716-116-0x0000000005060000-0x0000000005061000-memory.dmpFilesize
4KB