Analysis
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max time kernel
129s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2024 01:29
Static task
static1
Behavioral task
behavioral1
Sample
frndYingwabenz.exe
Resource
win7-20240419-en
General
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Target
frndYingwabenz.exe
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Size
2.3MB
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MD5
134d09409208cf2631eea82d7cf985a8
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SHA1
9b580e7fbbbfe30146688799ba82a76296387728
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SHA256
2ee45b698151d921c58fa20ee6f839d5a4abe2ff3a8f8ee642c05e6dac8980bd
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SHA512
410d84e85bfa495764b5a0239628424e44ded9dff561e394ab3cb37bea11ead1c67ebbc35a5122d9b677abeb091583561ea7e799eba8a0c1b665f6c54aae7b16
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SSDEEP
49152:zDLOGtL+Tg7yUpDGZzwqgfkrHL8g2GfdLraO8iDlQv3KwvXbzJ1dkN7O:zHOGtsOVpKZzjgcrogvdLehnp3RkN
Malware Config
Extracted
Protocol: smtp- Host:
mail.sturmsgroup.com - Port:
587 - Username:
[email protected] - Password:
$(bQkIn8%O#z)bWw
Extracted
agenttesla
Protocol: smtp- Host:
mail.sturmsgroup.com - Port:
587 - Username:
[email protected] - Password:
$(bQkIn8%O#z)bWw - 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/1208-2-0x0000000005B90000-0x0000000005DC0000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-20-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-22-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-52-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-50-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-68-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-66-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-64-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-62-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-60-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-58-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-56-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-54-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-49-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-44-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-42-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-38-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-36-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-32-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-30-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-28-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-46-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-40-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-34-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-24-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-18-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-14-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-12-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-10-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-6-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-26-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-16-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-8-0x0000000005B90000-0x0000000005DBA000-memory.dmp family_zgrat_v1 behavioral2/memory/1208-5-0x0000000005B90000-0x0000000005DBA000-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 18 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1208 set thread context of 3036 1208 frndYingwabenz.exe 87 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3036 frndYingwabenz.exe 3036 frndYingwabenz.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1208 frndYingwabenz.exe Token: SeDebugPrivilege 1208 frndYingwabenz.exe Token: SeDebugPrivilege 3036 frndYingwabenz.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1208 wrote to memory of 3036 1208 frndYingwabenz.exe 87 PID 1208 wrote to memory of 3036 1208 frndYingwabenz.exe 87 PID 1208 wrote to memory of 3036 1208 frndYingwabenz.exe 87 PID 1208 wrote to memory of 3036 1208 frndYingwabenz.exe 87 PID 1208 wrote to memory of 3036 1208 frndYingwabenz.exe 87 PID 1208 wrote to memory of 3036 1208 frndYingwabenz.exe 87 PID 1208 wrote to memory of 3036 1208 frndYingwabenz.exe 87 PID 1208 wrote to memory of 3036 1208 frndYingwabenz.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\frndYingwabenz.exe"C:\Users\Admin\AppData\Local\Temp\frndYingwabenz.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1208 -
C:\Users\Admin\AppData\Local\Temp\frndYingwabenz.exe"C:\Users\Admin\AppData\Local\Temp\frndYingwabenz.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3036
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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