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Analysis
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max time kernel
145s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
12/01/2024, 11:21
Static task
static1
Behavioral task
behavioral1
Sample
Dokument Zamówienie ZZ2200439_pdf .exe
Resource
win7-20231215-en
General
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Target
Dokument Zamówienie ZZ2200439_pdf .exe
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Size
64KB
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MD5
19456c568f32de851c7cc7416ee24f6d
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SHA1
302e970eb88d10c50416cfb3ca97c38af43d6c72
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SHA256
a1e1569dfcaedc7962d5af6fcb5b022b5faddeef372cd7458fd3f383e0dcd560
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SHA512
b375173ff4580c3291eec9c008149ee2c02bb56b416b1a645f27d6e2cdf67a5578466a75718f8caba696c4019d8560ae2a4ddff608323e3c98bf82043dc8a13a
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SSDEEP
384:KbtRPNVHT535J7P1DXsq0EosoEt2foH+qtJAz0WY/OjITPkG0O1q3+MJvbDlViWG:KbtBzDJzJ8q0EosoEkgk7uH0cMJvbI
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mailbuilderbuilder.com - Port:
587 - Username:
[email protected] - Password:
Alluminio.1 - 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/1400-3-0x0000000005DE0000-0x0000000005E8A000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-4-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-13-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-23-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-29-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-31-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-33-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-27-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-35-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-25-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-43-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-51-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-53-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-59-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-63-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-65-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-61-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-67-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-57-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-55-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-49-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-47-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-45-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-41-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-39-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-37-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-21-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-19-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-17-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-15-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-11-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-9-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-7-0x0000000005DE0000-0x0000000005E84000-memory.dmp family_zgrat_v1 behavioral2/memory/1400-5-0x0000000005DE0000-0x0000000005E84000-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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 97 api.ipify.org 98 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1400 set thread context of 1748 1400 Dokument Zamówienie ZZ2200439_pdf .exe 100 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1748 Dokument Zamówienie ZZ2200439_pdf .exe 1748 Dokument Zamówienie ZZ2200439_pdf .exe 1748 Dokument Zamówienie ZZ2200439_pdf .exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1400 Dokument Zamówienie ZZ2200439_pdf .exe Token: SeDebugPrivilege 1748 Dokument Zamówienie ZZ2200439_pdf .exe Token: SeManageVolumePrivilege 216 svchost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1400 wrote to memory of 1748 1400 Dokument Zamówienie ZZ2200439_pdf .exe 100 PID 1400 wrote to memory of 1748 1400 Dokument Zamówienie ZZ2200439_pdf .exe 100 PID 1400 wrote to memory of 1748 1400 Dokument Zamówienie ZZ2200439_pdf .exe 100 PID 1400 wrote to memory of 1748 1400 Dokument Zamówienie ZZ2200439_pdf .exe 100 PID 1400 wrote to memory of 1748 1400 Dokument Zamówienie ZZ2200439_pdf .exe 100 PID 1400 wrote to memory of 1748 1400 Dokument Zamówienie ZZ2200439_pdf .exe 100 PID 1400 wrote to memory of 1748 1400 Dokument Zamówienie ZZ2200439_pdf .exe 100 PID 1400 wrote to memory of 1748 1400 Dokument Zamówienie ZZ2200439_pdf .exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\Dokument Zamówienie ZZ2200439_pdf .exe"C:\Users\Admin\AppData\Local\Temp\Dokument Zamówienie ZZ2200439_pdf .exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Users\Admin\AppData\Local\Temp\Dokument Zamówienie ZZ2200439_pdf .exe"C:\Users\Admin\AppData\Local\Temp\Dokument Zamówienie ZZ2200439_pdf .exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1748
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵PID:4088
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
PID:216
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\Dokument Zamówienie ZZ2200439_pdf .exe.log
Filesize1KB
MD5c3941d9fa38f1717d5cecd7a2ca71667
SHA133b5362675383b58b4166ed9f9a61e5aa6768d2e
SHA256f1ed6ff1cd3df219061e32df1c75d6f48de6484cf50e5ea7d86cd8bcfcb93256
SHA51298f103ef97d32bf8c0566a6f6da5cf8d58d18f698c1b3e5bd0be0ea8462f5fe54c2e5e6b5188f2b7d8f70082ffd6745b1f7f6cab95af474e2b7eaed50a9d9c45