Analysis
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max time kernel
56s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
26-04-2024 12:44
General
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Target
Packing List PDF.bat.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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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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 9 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Packing List PDF.bat.exe"C:\Users\Admin\AppData\Local\Temp\Packing List PDF.bat.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\Local\Temp\Packing List PDF.bat.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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
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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\tmp76D6.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Packing List PDF.bat.exe"C:\Users\Admin\AppData\Local\Temp\Packing List PDF.bat.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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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
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD59b98d88beec5e98e0f3bc17bcc155f19
SHA1ad5cb045cc0e52d73fcf9c1f10f9c4abc0ad0015
SHA256c85bdf873f08fcd2ffec23c91babd97f3756927d45d1089ccf156ce123c59c2e
SHA5125b41c47eef23df6dc1e44f8ad748f84e793169417505843395a45c4f8b1ad5869314bd3267209936dfc8b2df17ef87689ff3c8f45749ed3d6f8b1aede5adfd69
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5e7e4de112faf4ec2130f5a2b198c6724
SHA11052a51fb995f41373d0749d259dd55c7e4f083a
SHA256e3d76ce643d9a814531a4ff079ffacd97b430598036bcc7de359de3fe29806d4
SHA512e6c9173142e50237111b6c467a82f2c093c20cf114ac0fcde566f627f3ef7b265298de56adadfb5b7a6d45e7e35c4ea4b4d1dda1394261c2ed72be174faaa80b
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Filesize
320KB
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Filesize
264KB
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Filesize
136KB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
32KB
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Filesize
216KB
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Filesize
7.7MB
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Filesize
6.2MB
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Filesize
104KB
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Filesize
80KB
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Filesize
64KB
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Filesize
64KB
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Filesize
200KB
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Filesize
6.5MB
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Filesize
408KB
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Filesize
408KB
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Filesize
104KB
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Filesize
652KB
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Filesize
3.3MB
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Filesize
120KB
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Filesize
304KB
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Filesize
304KB
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Filesize
120KB
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Filesize
64KB
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Filesize
600KB
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Filesize
7.7MB
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Filesize
304KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
56KB
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Filesize
68KB
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Filesize
40KB
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Filesize
80KB
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Filesize
128KB
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Filesize
7.7MB
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Filesize
848KB
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Filesize
624KB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
64KB
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Filesize
528KB
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Filesize
7.7MB