Analysis
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max time kernel
142s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
05-04-2024 01:23
Static task
static1
Behavioral task
behavioral1
Sample
4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe
Resource
win7-20231129-en
General
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Target
4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe
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Size
2.4MB
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MD5
6584576ea4207a46fc2db0b810497877
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SHA1
e91155f7609013330eb84fec9a46b3fbf92c7b0d
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SHA256
4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f
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SHA512
7a0b695860a2e82db0413a93780ad994dba4cb801ec6440824ac2174252dbc25ee11b6cc4199340516d6a5a500912cccbdcaba0a20e67cc2e798a200569712f7
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SSDEEP
49152:ujV42+ZyvyFZl3EZvbKEyx+khpsUu4u0XisHpbYv:SzjyFj0ZveEkfu4byi2
Malware Config
Extracted
Protocol: smtp- Host:
mail.apexrnun.com - Port:
587 - Username:
[email protected] - Password:
TsHZsTv}Jnj5E5Bn
Extracted
agenttesla
Protocol: smtp- Host:
mail.apexrnun.com - Port:
587 - Username:
[email protected] - Password:
TsHZsTv}Jnj5E5Bn - 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/2436-2-0x00000000068B0000-0x0000000006AE0000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-5-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-6-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-8-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-10-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-12-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-16-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-18-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-22-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-20-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-14-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-24-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-26-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-30-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-32-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-28-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-34-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-36-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-40-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-44-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-42-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-38-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-48-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-52-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-56-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-60-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-64-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-66-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-68-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-62-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-58-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-54-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-50-0x00000000068B0000-0x0000000006ADA000-memory.dmp family_zgrat_v1 behavioral2/memory/2436-46-0x00000000068B0000-0x0000000006ADA000-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.
flow ioc 27 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2436 set thread context of 2432 2436 4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe 93 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2432 4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe 2432 4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2436 4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe Token: SeDebugPrivilege 2436 4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe Token: SeDebugPrivilege 2432 4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2436 wrote to memory of 2432 2436 4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe 93 PID 2436 wrote to memory of 2432 2436 4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe 93 PID 2436 wrote to memory of 2432 2436 4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe 93 PID 2436 wrote to memory of 2432 2436 4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe 93 PID 2436 wrote to memory of 2432 2436 4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe 93 PID 2436 wrote to memory of 2432 2436 4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe 93 PID 2436 wrote to memory of 2432 2436 4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe 93 PID 2436 wrote to memory of 2432 2436 4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe"C:\Users\Admin\AppData\Local\Temp\4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2436 -
C:\Users\Admin\AppData\Local\Temp\4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe"C:\Users\Admin\AppData\Local\Temp\4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2432
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4af8ce139cfa73208e1b950051f17884f184cd75495997f1244e1028ee196c4f.exe.log
Filesize805B
MD558a9108e39c2ea50e65c23be3a9407cf
SHA1fb21f7b9330aa1a77080a3243b81b49035102d7b
SHA2566049be83020702896a539b5c8c13270add224d7b91b3ee0bebc328791b74a84b
SHA51293804ee8a4560503e47c07f5fa4a959e23355a01aba406c103d339debc9b2b1d20a345cdbb8d8069dac97b9151f228cf559ac3dde1500e3484fba1a4126842bf