Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
26-04-2024 12:55
Static task
static1
Behavioral task
behavioral1
Sample
Packing List PDF.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
Packing List PDF.exe
Resource
win10v2004-20240226-en
General
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Target
Packing List PDF.exe
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Size
822KB
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MD5
5a12438b3b4c926c12a9376c7bf13426
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SHA1
c3185c6a5e5f07a5befbe4af7131d05634f5d1a3
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SHA256
1a794211deaa0ecb6abc6101d7c1bd61111b4dd2d895ee7ecf78fbf17f4c9ab3
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SHA512
16c1e0e18eb8b3345b8b05443b782cb1dd35492ac986811c39f3cdce8dfe85b003aba029ffca0e38aa33c951d0d08281825152b0e239471eac3de18ac67864d0
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SSDEEP
12288:tEqnHvjNIrpf9rN/mc/CaBmIwsyaPSIir97G6NLOZCGKEgbjuPBB5uO12rq:txPjKr5BNDWVxcSIiRG6atlB5N
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.fascia-arch.com - Port:
587 - Username:
[email protected] - Password:
HERbertstown1987 - 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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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
Processes:
Packing List PDF.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe" Packing List PDF.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Packing List PDF.exedescription pid process target process PID 1960 set thread context of 2736 1960 Packing List PDF.exe Packing List PDF.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
Packing List PDF.exePacking List PDF.exepowershell.exepowershell.exepid process 1960 Packing List PDF.exe 1960 Packing List PDF.exe 1960 Packing List PDF.exe 2736 Packing List PDF.exe 2736 Packing List PDF.exe 2008 powershell.exe 2624 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Packing List PDF.exePacking List PDF.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 1960 Packing List PDF.exe Token: SeDebugPrivilege 2736 Packing List PDF.exe Token: SeDebugPrivilege 2008 powershell.exe Token: SeDebugPrivilege 2624 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Packing List PDF.exepid process 2736 Packing List PDF.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
Packing List PDF.exedescription pid process target process PID 1960 wrote to memory of 2008 1960 Packing List PDF.exe powershell.exe PID 1960 wrote to memory of 2008 1960 Packing List PDF.exe powershell.exe PID 1960 wrote to memory of 2008 1960 Packing List PDF.exe powershell.exe PID 1960 wrote to memory of 2008 1960 Packing List PDF.exe powershell.exe PID 1960 wrote to memory of 2624 1960 Packing List PDF.exe powershell.exe PID 1960 wrote to memory of 2624 1960 Packing List PDF.exe powershell.exe PID 1960 wrote to memory of 2624 1960 Packing List PDF.exe powershell.exe PID 1960 wrote to memory of 2624 1960 Packing List PDF.exe powershell.exe PID 1960 wrote to memory of 2716 1960 Packing List PDF.exe schtasks.exe PID 1960 wrote to memory of 2716 1960 Packing List PDF.exe schtasks.exe PID 1960 wrote to memory of 2716 1960 Packing List PDF.exe schtasks.exe PID 1960 wrote to memory of 2716 1960 Packing List PDF.exe schtasks.exe PID 1960 wrote to memory of 2736 1960 Packing List PDF.exe Packing List PDF.exe PID 1960 wrote to memory of 2736 1960 Packing List PDF.exe Packing List PDF.exe PID 1960 wrote to memory of 2736 1960 Packing List PDF.exe Packing List PDF.exe PID 1960 wrote to memory of 2736 1960 Packing List PDF.exe Packing List PDF.exe PID 1960 wrote to memory of 2736 1960 Packing List PDF.exe Packing List PDF.exe PID 1960 wrote to memory of 2736 1960 Packing List PDF.exe Packing List PDF.exe PID 1960 wrote to memory of 2736 1960 Packing List PDF.exe Packing List PDF.exe PID 1960 wrote to memory of 2736 1960 Packing List PDF.exe Packing List PDF.exe PID 1960 wrote to memory of 2736 1960 Packing List PDF.exe Packing List PDF.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Packing List PDF.exe"C:\Users\Admin\AppData\Local\Temp\Packing List PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Packing List PDF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2008
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CmxzrHBB.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2624
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CmxzrHBB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4E4F.tmp"2⤵
- Creates scheduled task(s)
PID:2716
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C:\Users\Admin\AppData\Local\Temp\Packing List PDF.exe"C:\Users\Admin\AppData\Local\Temp\Packing List PDF.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2736
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD54a7fcab985f6f121e345e5e978e6a4db
SHA1d79a3b4e38cbaddd8f59208e8ba83ba09dcdbeb4
SHA25626e671ef57a8ff3a8ac23b7df714806f8f4a1d90f0eeb687e5a821405c8b1af3
SHA51267c14f99552d3c61b3abc4b0ccaeaf1c30e5fdaeda6a7813d66b48db69cc65a02e73b0c177f6c2c33d5dd5be2cf46bb751fcd8be78e538d674ab13b417b095ce
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\OL6MTMRR3X0LOTPLFVVA.temp
Filesize7KB
MD53c905ab9b3f91cfa754e958a65dec20d
SHA1bccf9c484a1fb115271887707463938d6687a253
SHA256189ec8ad3787ff0e642dffaa3ace00a99cf70079e1eef85359f60558366ecf64
SHA512a4e561663619d6ae4a4dba6ddd44eae83c85afcad08f8b4b00bc7c3c8c0f36e114c8dc92ff03dcb270c20051e9461a1f13f60d29c5f4811c8a9b9cea55065e95