Analysis
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max time kernel
118s -
max time network
124s -
platform
windows7_x64 -
resource
win7 -
submitted
13-07-2020 06:33
Static task
static1
Behavioral task
behavioral1
Sample
SHIPPING D0CUMENT.exe
Resource
win7
Behavioral task
behavioral2
Sample
SHIPPING D0CUMENT.exe
Resource
win10
General
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Target
SHIPPING D0CUMENT.exe
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Size
475KB
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MD5
d44bba93ed7216ec2ec6b47f2dd92602
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SHA1
1f283f532a568d33464754b9d5b7aa2b5df0830b
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SHA256
dc93d479b3ff464ce339744f96b0921c4d1294d9ca66d8962ce7d207873c0f71
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SHA512
2fdb72a483f77cf9a8c8c694463b571a8daf386d5a4542413e7f829f7b53923b436df5b9e1233ef77b078a2c549e0f63ee463515bb61530cbd324e319213c4cd
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.pierreinsurancebrokers.com - Port:
587 - Username:
[email protected] - Password:
advisor@1234
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/928-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/928-5-0x0000000000446C5E-mapping.dmp family_agenttesla behavioral1/memory/928-6-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/928-7-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
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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Suspicious use of SetThreadContext 1 IoCs
Processes:
SHIPPING D0CUMENT.exedescription pid process target process PID 1496 set thread context of 928 1496 SHIPPING D0CUMENT.exe SHIPPING D0CUMENT.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 2 IoCs
Processes:
SHIPPING D0CUMENT.exepid process 928 SHIPPING D0CUMENT.exe 928 SHIPPING D0CUMENT.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SHIPPING D0CUMENT.exedescription pid process Token: SeDebugPrivilege 928 SHIPPING D0CUMENT.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
SHIPPING D0CUMENT.exedescription pid process target process PID 1496 wrote to memory of 532 1496 SHIPPING D0CUMENT.exe schtasks.exe PID 1496 wrote to memory of 532 1496 SHIPPING D0CUMENT.exe schtasks.exe PID 1496 wrote to memory of 532 1496 SHIPPING D0CUMENT.exe schtasks.exe PID 1496 wrote to memory of 532 1496 SHIPPING D0CUMENT.exe schtasks.exe PID 1496 wrote to memory of 928 1496 SHIPPING D0CUMENT.exe SHIPPING D0CUMENT.exe PID 1496 wrote to memory of 928 1496 SHIPPING D0CUMENT.exe SHIPPING D0CUMENT.exe PID 1496 wrote to memory of 928 1496 SHIPPING D0CUMENT.exe SHIPPING D0CUMENT.exe PID 1496 wrote to memory of 928 1496 SHIPPING D0CUMENT.exe SHIPPING D0CUMENT.exe PID 1496 wrote to memory of 928 1496 SHIPPING D0CUMENT.exe SHIPPING D0CUMENT.exe PID 1496 wrote to memory of 928 1496 SHIPPING D0CUMENT.exe SHIPPING D0CUMENT.exe PID 1496 wrote to memory of 928 1496 SHIPPING D0CUMENT.exe SHIPPING D0CUMENT.exe PID 1496 wrote to memory of 928 1496 SHIPPING D0CUMENT.exe SHIPPING D0CUMENT.exe PID 1496 wrote to memory of 928 1496 SHIPPING D0CUMENT.exe SHIPPING D0CUMENT.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SHIPPING D0CUMENT.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING D0CUMENT.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QliVNf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp890C.tmp"2⤵
- Creates scheduled task(s)
PID:532 -
C:\Users\Admin\AppData\Local\Temp\SHIPPING D0CUMENT.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING D0CUMENT.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:928
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp890C.tmpMD5
ad5cc4a4a2b43d68b1ef86c3995ffc22
SHA1afbee569bb9093d0d873c42ae733469409050f4e
SHA256db7b22e96587eb00f946e35286aa41205ae6c5997384d8f99c084d0dd6531c4d
SHA512026df6c1595f7deea2c5f2da9529f0c7ad169f9c7922250e79f67b65d665f5fb1891e40aa6ed961f2e67d01a303091dc63003820a71c04781e576af5d7812718
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memory/532-2-0x0000000000000000-mapping.dmp
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memory/928-4-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/928-5-0x0000000000446C5E-mapping.dmp
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memory/928-6-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/928-7-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1496-1-0x0000000000000000-0x0000000000000000-disk.dmp