Analysis
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max time kernel
126s -
max time network
146s -
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 01:21
Behavioral task
behavioral1
Sample
783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe
Resource
win10v2004-20240419-en
General
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Target
783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe
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Size
2.2MB
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MD5
46f9998e9e92ad9bced8254badc80952
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SHA1
09a75b57907eb286267c92ead04c8975f5a19bfe
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SHA256
783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c
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SHA512
a1bbd03686532e5e0587056f37cbb72e42ef2f4bb35bd88e948986e2f39e0a4794843c345ceacdddc9de988b89b2bcc30605efaf61cdafaa6970c9ffc078fed7
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SSDEEP
49152:95QUDE+46HxIh+KFydai9zHBNrrGV2w3b0KNkAJDbU4yphY/D3f:Nn/6hlmBzXrrG7NkAJXQc/
Malware Config
Extracted
Protocol: smtp- Host:
mail.apexrnun.com - Port:
587 - Username:
[email protected] - Password:
dU*wU0)yR;?4q|-#
Extracted
agenttesla
Protocol: smtp- Host:
mail.apexrnun.com - Port:
587 - Username:
[email protected] - Password:
dU*wU0)yR;?4q|-# - 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/3052-4-0x00000000055F0000-0x0000000005820000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-7-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-30-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-24-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-22-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-20-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-18-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-16-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-14-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-12-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-10-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-8-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-36-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-60-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-70-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-68-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-66-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-64-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-62-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-58-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-56-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-54-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-50-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-52-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-48-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-44-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-42-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-40-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-38-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-34-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-32-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-28-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-26-0x00000000055F0000-0x000000000581A000-memory.dmp family_zgrat_v1 behavioral2/memory/3052-46-0x00000000055F0000-0x000000000581A000-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/3052-1-0x0000000000670000-0x00000000008B6000-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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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 26 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3052 set thread context of 1196 3052 783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe 87 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1196 783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe 1196 783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3052 783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe Token: SeDebugPrivilege 3052 783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe Token: SeDebugPrivilege 1196 783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3052 wrote to memory of 1196 3052 783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe 87 PID 3052 wrote to memory of 1196 3052 783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe 87 PID 3052 wrote to memory of 1196 3052 783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe 87 PID 3052 wrote to memory of 1196 3052 783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe 87 PID 3052 wrote to memory of 1196 3052 783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe 87 PID 3052 wrote to memory of 1196 3052 783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe 87 PID 3052 wrote to memory of 1196 3052 783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe 87 PID 3052 wrote to memory of 1196 3052 783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe"C:\Users\Admin\AppData\Local\Temp\783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Users\Admin\AppData\Local\Temp\783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe"C:\Users\Admin\AppData\Local\Temp\783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1196
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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\783fb85c2b0bd6bb18fe065bd381d5b80a7d82526733c2a04debb95b1196886c.exe.log
Filesize805B
MD558a9108e39c2ea50e65c23be3a9407cf
SHA1fb21f7b9330aa1a77080a3243b81b49035102d7b
SHA2566049be83020702896a539b5c8c13270add224d7b91b3ee0bebc328791b74a84b
SHA51293804ee8a4560503e47c07f5fa4a959e23355a01aba406c103d339debc9b2b1d20a345cdbb8d8069dac97b9151f228cf559ac3dde1500e3484fba1a4126842bf