Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
14-05-2024 05:26
Static task
static1
Behavioral task
behavioral1
Sample
Receipt05012PDF.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Receipt05012PDF.exe
Resource
win10v2004-20240508-en
General
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Target
Receipt05012PDF.exe
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Size
205KB
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MD5
aeeb6a8f7b4f4e465b3ce9dc62ec024e
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SHA1
e6b8fb14f9cf2f524ae706fbf1bbdf91b7615e76
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SHA256
3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d
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SHA512
a2aa125e2f927dc3336e444fd0be9a8519c42480173f90a2f677d6d5433187bcd51d99b5637006576ea7ef751c1b7024a53840833104df2698fd03ae0ec3ab3e
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SSDEEP
3072:44NnCDDRvLGprOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/FPYm21KLbDoUssNXN2:1stvLGcxLbMUMK21H
Malware Config
Extracted
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
s9jjoVvaZchS
Extracted
agenttesla
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
s9jjoVvaZchS - 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/744-3-0x0000000007070000-0x00000000072A0000-memory.dmp family_zgrat_v1 behavioral2/memory/744-11-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-6-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-17-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-27-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-55-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-59-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-69-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-67-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-65-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-63-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-61-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-57-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-53-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-51-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-49-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-47-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-45-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-43-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-41-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-39-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-37-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-35-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-33-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-29-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-25-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-23-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-21-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-19-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-15-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-31-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-13-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-9-0x0000000007070000-0x000000000729A000-memory.dmp family_zgrat_v1 behavioral2/memory/744-7-0x0000000007070000-0x000000000729A000-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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\savef = "C:\\Users\\Admin\\AppData\\Roaming\\savef.exe" Receipt05012PDF.exe -
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 20 api.ipify.org 19 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 744 set thread context of 2112 744 Receipt05012PDF.exe 87 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2112 Receipt05012PDF.exe 2112 Receipt05012PDF.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 744 Receipt05012PDF.exe Token: SeDebugPrivilege 744 Receipt05012PDF.exe Token: SeDebugPrivilege 2112 Receipt05012PDF.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 744 wrote to memory of 2112 744 Receipt05012PDF.exe 87 PID 744 wrote to memory of 2112 744 Receipt05012PDF.exe 87 PID 744 wrote to memory of 2112 744 Receipt05012PDF.exe 87 PID 744 wrote to memory of 2112 744 Receipt05012PDF.exe 87 PID 744 wrote to memory of 2112 744 Receipt05012PDF.exe 87 PID 744 wrote to memory of 2112 744 Receipt05012PDF.exe 87 PID 744 wrote to memory of 2112 744 Receipt05012PDF.exe 87 PID 744 wrote to memory of 2112 744 Receipt05012PDF.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\Receipt05012PDF.exe"C:\Users\Admin\AppData\Local\Temp\Receipt05012PDF.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Users\Admin\AppData\Local\Temp\Receipt05012PDF.exe"C:\Users\Admin\AppData\Local\Temp\Receipt05012PDF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2112
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5f3eb81974dc5933681e933f07209ff5f
SHA17af8cae0f1d03e82daaf784df9886705685baac7
SHA256e82069884dd428bd6a1c67fe00c5fa56f9c4d62b538b694694a699588f1f4ab2
SHA512d9aa3871dffb76c8a73a7940fa03bbc9b65cf575cbd07f7c1fbf490cb0f3d670415eaef0bf79e34689f61ab3cdfbb104efdef004becc12e54b501f02f948aaff