Analysis
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max time kernel
67s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
13-12-2023 01:28
Static task
static1
Behavioral task
behavioral1
Sample
Zaplata,jpeg.exe
Resource
win7-20231201-en
General
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Target
Zaplata,jpeg.exe
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Size
645KB
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MD5
df5f655433b8f20a6ba72aabd3738a15
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SHA1
7375302c7359d09cb7cff0923da0640adf5b4b63
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SHA256
d574783b27fe3548f26fdcf15380559464604eced80c5feaac6a6d5639c0c7cb
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SHA512
db5d5870e29bb650aa8e585eba597284a4eb61f98da3fb00e2064a9f8d81ea162f6e86d591860f4cbf6d12f522be7766dd039b53eb23f424d06f9d6d476c4033
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SSDEEP
12288:7d3IU8S6eUdQ0OS6s54d7NLErjfkIRS5j71e43Nx/i1FvobY5Ym0X4R7LMc:xItSAdQ0OzscK3R45X1e+Nx/i1FvyyYH
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.cock.li - Port:
587 - Username:
[email protected] - Password:
zaq1@WSX123 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect ZGRat V1 1 IoCs
Processes:
resource yara_rule behavioral2/memory/564-6-0x0000000005B20000-0x0000000005B38000-memory.dmp family_zgrat_v1 -
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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 10 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Zaplata,jpeg.exedescription pid process target process PID 564 set thread context of 2960 564 Zaplata,jpeg.exe Zaplata,jpeg.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Zaplata,jpeg.exeZaplata,jpeg.exepid process 564 Zaplata,jpeg.exe 564 Zaplata,jpeg.exe 2960 Zaplata,jpeg.exe 2960 Zaplata,jpeg.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Zaplata,jpeg.exeZaplata,jpeg.exedescription pid process Token: SeDebugPrivilege 564 Zaplata,jpeg.exe Token: SeDebugPrivilege 2960 Zaplata,jpeg.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Zaplata,jpeg.exedescription pid process target process PID 564 wrote to memory of 2960 564 Zaplata,jpeg.exe Zaplata,jpeg.exe PID 564 wrote to memory of 2960 564 Zaplata,jpeg.exe Zaplata,jpeg.exe PID 564 wrote to memory of 2960 564 Zaplata,jpeg.exe Zaplata,jpeg.exe PID 564 wrote to memory of 2960 564 Zaplata,jpeg.exe Zaplata,jpeg.exe PID 564 wrote to memory of 2960 564 Zaplata,jpeg.exe Zaplata,jpeg.exe PID 564 wrote to memory of 2960 564 Zaplata,jpeg.exe Zaplata,jpeg.exe PID 564 wrote to memory of 2960 564 Zaplata,jpeg.exe Zaplata,jpeg.exe PID 564 wrote to memory of 2960 564 Zaplata,jpeg.exe Zaplata,jpeg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Zaplata,jpeg.exe"C:\Users\Admin\AppData\Local\Temp\Zaplata,jpeg.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:564 -
C:\Users\Admin\AppData\Local\Temp\Zaplata,jpeg.exe"C:\Users\Admin\AppData\Local\Temp\Zaplata,jpeg.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2960
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3