Analysis
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max time kernel
130s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
08-05-2024 00:06
Behavioral task
behavioral1
Sample
order#052107doc.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
order#052107doc.exe
Resource
win10v2004-20240419-en
General
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Target
order#052107doc.exe
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Size
2.3MB
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MD5
09d8e2f356ead589be3a2fa865d32e20
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SHA1
4be10417d29cbc14dfb469fa385f6f06b7f2c99c
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SHA256
660598b830ca8956542ef9b0f7b4fa45a24c7b68e67f5d9d0b80e319c8655c99
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SHA512
f968fd8a5a4bd610ef9c2146318b1970add0d59a571e8a611434d00d259e5f1f0899cec810e1260fec61f8a98e5f4433345ac4b7a479d0228328c3901f582057
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SSDEEP
49152:ljBPcxYu8TcfGghtisGkcRTa/c1b26TLOvH8yk24tRr8VdjnWd4qFVpDr:l9PKYR03isEX1y6TK8H2iRr8xqF3H
Malware Config
Extracted
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
AvydGQ8TIDH9
Extracted
agenttesla
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
AvydGQ8TIDH9 - 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 34 IoCs
resource yara_rule behavioral2/memory/4420-4-0x0000000005210000-0x0000000005440000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-10-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-16-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-38-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-46-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-44-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-42-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-40-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-36-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-34-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-32-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-30-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-26-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-24-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-22-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-20-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-18-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-14-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-12-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-28-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-8-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-7-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-64-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-70-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-68-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-66-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-62-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-60-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-58-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-56-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-54-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-53-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-50-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 behavioral2/memory/4420-48-0x0000000005210000-0x000000000543A000-memory.dmp family_zgrat_v1 -
PureLog Stealer
PureLog Stealer is an infostealer written in C#.
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PureLog Stealer payload 1 IoCs
resource yara_rule behavioral2/memory/4420-1-0x00000000002B0000-0x0000000000506000-memory.dmp family_purelog_stealer -
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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kcsof = "C:\\Users\\Admin\\AppData\\Roaming\\kcsof.exe" order#052107doc.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 41 api.ipify.org 42 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4420 set thread context of 2308 4420 order#052107doc.exe 99 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2308 order#052107doc.exe 2308 order#052107doc.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4420 order#052107doc.exe Token: SeDebugPrivilege 4420 order#052107doc.exe Token: SeDebugPrivilege 2308 order#052107doc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4420 wrote to memory of 2308 4420 order#052107doc.exe 99 PID 4420 wrote to memory of 2308 4420 order#052107doc.exe 99 PID 4420 wrote to memory of 2308 4420 order#052107doc.exe 99 PID 4420 wrote to memory of 2308 4420 order#052107doc.exe 99 PID 4420 wrote to memory of 2308 4420 order#052107doc.exe 99 PID 4420 wrote to memory of 2308 4420 order#052107doc.exe 99 PID 4420 wrote to memory of 2308 4420 order#052107doc.exe 99 PID 4420 wrote to memory of 2308 4420 order#052107doc.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\order#052107doc.exe"C:\Users\Admin\AppData\Local\Temp\order#052107doc.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4420 -
C:\Users\Admin\AppData\Local\Temp\order#052107doc.exe"C:\Users\Admin\AppData\Local\Temp\order#052107doc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2308
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
805B
MD558a9108e39c2ea50e65c23be3a9407cf
SHA1fb21f7b9330aa1a77080a3243b81b49035102d7b
SHA2566049be83020702896a539b5c8c13270add224d7b91b3ee0bebc328791b74a84b
SHA51293804ee8a4560503e47c07f5fa4a959e23355a01aba406c103d339debc9b2b1d20a345cdbb8d8069dac97b9151f228cf559ac3dde1500e3484fba1a4126842bf