Analysis
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max time kernel
148s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220331-en -
submitted
14-04-2022 12:36
Static task
static1
Behavioral task
behavioral1
Sample
2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe
Resource
win7-20220331-en
Behavioral task
behavioral2
Sample
2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe
Resource
win10v2004-20220331-en
General
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Target
2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe
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Size
1.0MB
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MD5
e534b53d075fe29c9aa3030b7f4cd661
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SHA1
7369f1567d017938b715d624d4635f867d24989a
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SHA256
2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c
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SHA512
ee6ca412f6b8b71d1eadb64ebf8915cda679e2c98fa80cd84119934beea3c75121b2a6bbe8075907b95c77e96698bbf8d383cc59a7dde7931712ecace321c569
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot1495483448:AAGd3prw4Kj-_QDn5QOZCeOnj6Y116TT7Wg/sendDocument
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
resource yara_rule behavioral1/memory/1372-62-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1372-63-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1372-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1372-65-0x00000000004376CE-mapping.dmp family_agenttesla behavioral1/memory/1372-67-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1372-69-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Looks for VirtualBox Guest Additions in registry 2 TTPs
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Looks for VMWare Tools registry key 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1368 set thread context of 1372 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 32 -
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.
pid Process 756 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 1372 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 1372 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe Token: SeDebugPrivilege 1372 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1368 wrote to memory of 756 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 29 PID 1368 wrote to memory of 756 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 29 PID 1368 wrote to memory of 756 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 29 PID 1368 wrote to memory of 756 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 29 PID 1368 wrote to memory of 1860 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 31 PID 1368 wrote to memory of 1860 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 31 PID 1368 wrote to memory of 1860 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 31 PID 1368 wrote to memory of 1860 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 31 PID 1368 wrote to memory of 1372 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 32 PID 1368 wrote to memory of 1372 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 32 PID 1368 wrote to memory of 1372 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 32 PID 1368 wrote to memory of 1372 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 32 PID 1368 wrote to memory of 1372 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 32 PID 1368 wrote to memory of 1372 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 32 PID 1368 wrote to memory of 1372 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 32 PID 1368 wrote to memory of 1372 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 32 PID 1368 wrote to memory of 1372 1368 2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe"C:\Users\Admin\AppData\Local\Temp\2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YnJVcnIqEAehuo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC87E.tmp"2⤵
- Creates scheduled task(s)
PID:756
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C:\Users\Admin\AppData\Local\Temp\2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe"{path}"2⤵PID:1860
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C:\Users\Admin\AppData\Local\Temp\2d334ff51483236fa87270be95e77b196989ca1c9bea4d803aa059c4758a917c.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1372
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5b79bb0e35225d37c55b01a35629652a2
SHA17929b02c1b120c6341af6e802d5e0093bc29f64b
SHA256170bb32b53dc21cd30eb42158aa0cf3b6f6d82c3637d67462b90a21517acd471
SHA512eb988d1be3b5a7bb970cb2838c17a1fa064b28186967204f5d64ed8d0ff6d0b0330a9dbdd844b63c61ada4fcce1247c220519e1750e12aba98e9476901e9eb64