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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 13:34
Static task
static1
Behavioral task
behavioral1
Sample
207845200002.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
207845200002.exe
Resource
win10v2004-20240426-en
General
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Target
207845200002.exe
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Size
334KB
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MD5
db852560af27329c5bf56c3bdc791916
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SHA1
76f2f314b943ec5fdcc7105f6c28e4e1f69b9d2a
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SHA256
85549d6c0269a1e86f946c8f5ea900f8ac0a82da0169e0c635f5836ab5bd1589
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SHA512
4e2d9fd0e8466fd8129fc34c714608404d69141dbb91bfa8ac0ab3a6cd72abcc2464b70fac9606a15470064ced9631aad1277e2e1f9fa4985d818b885365b22a
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SSDEEP
3072:CBs0O1R9uynxg6hEITBwxme0Xo220wIpZyg55ZV:us7L3nxduIdwoe0Xo220hV5jV
Malware Config
Extracted
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
fn26k5c7Q846
Extracted
agenttesla
Protocol: smtp- Host:
66.29.151.236 - Port:
587 - Username:
[email protected] - Password:
fn26k5c7Q846 - 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/1844-3-0x0000000006B10000-0x0000000006D3E000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-7-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-15-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-13-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-23-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-37-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-45-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-65-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-63-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-61-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-59-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-57-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-55-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-53-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-51-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-49-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-69-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-67-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-39-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-47-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-43-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-41-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-27-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-25-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-21-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-19-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-17-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-35-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-33-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-31-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-29-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-11-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-9-0x0000000006B10000-0x0000000006D39000-memory.dmp family_zgrat_v1 behavioral2/memory/1844-6-0x0000000006B10000-0x0000000006D39000-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-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\iotsof = "C:\\Users\\Admin\\AppData\\Roaming\\iotsof.exe" 207845200002.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 48 api.ipify.org 49 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1844 set thread context of 4172 1844 207845200002.exe 96 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4172 207845200002.exe 4172 207845200002.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1844 207845200002.exe Token: SeDebugPrivilege 1844 207845200002.exe Token: SeDebugPrivilege 4172 207845200002.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1844 wrote to memory of 4172 1844 207845200002.exe 96 PID 1844 wrote to memory of 4172 1844 207845200002.exe 96 PID 1844 wrote to memory of 4172 1844 207845200002.exe 96 PID 1844 wrote to memory of 4172 1844 207845200002.exe 96 PID 1844 wrote to memory of 4172 1844 207845200002.exe 96 PID 1844 wrote to memory of 4172 1844 207845200002.exe 96 PID 1844 wrote to memory of 4172 1844 207845200002.exe 96 PID 1844 wrote to memory of 4172 1844 207845200002.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\207845200002.exe"C:\Users\Admin\AppData\Local\Temp\207845200002.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1844 -
C:\Users\Admin\AppData\Local\Temp\207845200002.exe"C:\Users\Admin\AppData\Local\Temp\207845200002.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4172
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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