Analysis
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max time kernel
140s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
10-05-2024 08:34
Static task
static1
Behavioral task
behavioral1
Sample
Dekont.pdf.exe
Resource
win7-20240220-en
General
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Target
Dekont.pdf.exe
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Size
2.7MB
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MD5
1838b0d77116ac4d54515f316c4ab532
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SHA1
b17495dc6aa2f72c67d5cdb9744f23e79fbb59b3
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SHA256
389d986a90326bd042f4ad223f23d221a6f6f98947b05a8e4bd9ac962b42a245
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SHA512
2ef32507f5a07d6b5ed78209be08036ec53d1c93c7cb9f7214656b60073f580de3e9dc0a46caa5f86906a5ed4e2b8c4146a8f086abb6dbafc6a19ef0c1c83d69
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SSDEEP
49152:+6l+Mj9OUCyLM6z0ugksTyoNvLgNze5bRQ7uPlul9Al0y4KSQ3GNJ6ySQCPF:nAoOU7LM6z0uKDkehy7wMbau6ySQCP
Malware Config
Extracted
Protocol: smtp- Host:
mail.gencoldfire.com - Port:
587 - Username:
[email protected] - Password:
%j#!%z2b/?qM68K#
Extracted
agenttesla
Protocol: smtp- Host:
mail.gencoldfire.com - Port:
587 - Username:
[email protected] - Password:
%j#!%z2b/?qM68K# - 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/3624-4-0x0000000007CE0000-0x0000000007F10000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-26-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-24-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-40-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-46-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-44-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-66-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-42-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-38-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-36-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-34-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-32-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-30-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-28-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-22-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-20-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-18-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-16-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-14-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-12-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-10-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-8-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-7-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-70-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-68-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-64-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-62-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-60-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-58-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-56-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-54-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-52-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-50-0x0000000007CE0000-0x0000000007F0A000-memory.dmp family_zgrat_v1 behavioral2/memory/3624-49-0x0000000007CE0000-0x0000000007F0A000-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 25 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3624 set thread context of 3612 3624 Dekont.pdf.exe 87 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3612 Dekont.pdf.exe 3612 Dekont.pdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3624 Dekont.pdf.exe Token: SeDebugPrivilege 3624 Dekont.pdf.exe Token: SeDebugPrivilege 3612 Dekont.pdf.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3624 wrote to memory of 3612 3624 Dekont.pdf.exe 87 PID 3624 wrote to memory of 3612 3624 Dekont.pdf.exe 87 PID 3624 wrote to memory of 3612 3624 Dekont.pdf.exe 87 PID 3624 wrote to memory of 3612 3624 Dekont.pdf.exe 87 PID 3624 wrote to memory of 3612 3624 Dekont.pdf.exe 87 PID 3624 wrote to memory of 3612 3624 Dekont.pdf.exe 87 PID 3624 wrote to memory of 3612 3624 Dekont.pdf.exe 87 PID 3624 wrote to memory of 3612 3624 Dekont.pdf.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3624 -
C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3612
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
805B
MD54b74e933d78bd5e8fb1cc4653fb2133c
SHA1f6e931eec700fa325bd40c3adc6f1c0eba806066
SHA256fd99bed17853f5ad196ca6d4a62f5e2405fbdf5b98cbf45af8b7cef83e4bcec3
SHA512b56ff89eff1a757a87dcb875206ae92d39ffdb5adf638600c21bc7c76ff4cc25502ae1060716488c7ed1641f8cdfad2a320443b7b4d9f09808eb86eb87f351ec