Analysis
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max time kernel
147s -
max time network
109s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2024 01:06
Static task
static1
Behavioral task
behavioral1
Sample
EXJ-CHPV-05-N01-001.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
EXJ-CHPV-05-N01-001.exe
Resource
win10v2004-20240426-en
General
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Target
EXJ-CHPV-05-N01-001.exe
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Size
767KB
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MD5
57d4e5602ac60212f7c422321c9b0b80
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SHA1
a6d42a59f9d8121cfaab73f4b2b416e229fbafcd
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SHA256
8a2fc6d9e2cc5549bc52b8914be340fbd0f72ae63d6f8b7959d1854342767e26
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SHA512
b725661cbd3d35d889289fb86a3ca2a6355768cd35e047ff82f64c7717759703c24af2f2ee7bc31f50af3fc073fe9a1dee560d71305f180a2cb56676021aeed0
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SSDEEP
12288:BLS6MKtR/ZZ4xYalDPn+v1spR4R9xSQkyRZNQKMza1Nn9zD7N+bd0/:pS6MkR/ZytPnIY2bSQkyRZNXMzeN1o0/
Malware Config
Extracted
Protocol: smtp- Host:
smtp.strato.de - Port:
587 - Username:
[email protected] - Password:
Oy1)8JSu_qPx(rzV_{Xu
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 33 IoCs
resource yara_rule behavioral2/memory/4268-9-0x00000000056B0000-0x0000000005708000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-12-0x0000000005790000-0x00000000057E6000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-35-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-33-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-69-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-63-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-59-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-57-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-55-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-53-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-49-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-41-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-39-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-37-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-31-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-29-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-27-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-25-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-23-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-22-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-17-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-16-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-73-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-71-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-67-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-65-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-61-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-51-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-47-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-45-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-43-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-19-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 behavioral2/memory/4268-14-0x0000000005790000-0x00000000057E0000-memory.dmp family_zgrat_v1 -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zNAKSP = "C:\\Users\\Admin\\AppData\\Roaming\\zNAKSP\\zNAKSP.exe" csc.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 18 ip-api.com 14 api.ipify.org 15 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4736 set thread context of 4268 4736 EXJ-CHPV-05-N01-001.exe 83 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4268 csc.exe 4268 csc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4268 csc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4268 csc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4736 wrote to memory of 4268 4736 EXJ-CHPV-05-N01-001.exe 83 PID 4736 wrote to memory of 4268 4736 EXJ-CHPV-05-N01-001.exe 83 PID 4736 wrote to memory of 4268 4736 EXJ-CHPV-05-N01-001.exe 83 PID 4736 wrote to memory of 4268 4736 EXJ-CHPV-05-N01-001.exe 83 PID 4736 wrote to memory of 4268 4736 EXJ-CHPV-05-N01-001.exe 83 PID 4736 wrote to memory of 4268 4736 EXJ-CHPV-05-N01-001.exe 83 PID 4736 wrote to memory of 4268 4736 EXJ-CHPV-05-N01-001.exe 83 PID 4736 wrote to memory of 4268 4736 EXJ-CHPV-05-N01-001.exe 83 PID 4736 wrote to memory of 4268 4736 EXJ-CHPV-05-N01-001.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\EXJ-CHPV-05-N01-001.exe"C:\Users\Admin\AppData\Local\Temp\EXJ-CHPV-05-N01-001.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4736 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4268
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