Analysis
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max time kernel
134s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
27-07-2021 13:05
Static task
static1
Behavioral task
behavioral1
Sample
Purchase - Order.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
Purchase - Order.exe
Resource
win10v20210410
General
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Target
Purchase - Order.exe
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Size
491KB
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MD5
c25db03537a94168fe05f968720c735a
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SHA1
bdf8b7786bdd448a689e06347895ca8dbddab79c
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SHA256
3a94befc248570bf58be57f7b0e146985221219aefed7e437ddf865711b7c069
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SHA512
26f27f98183de9f87807add66919fbeabf1e6373dfd98360348860f551f3292deb347560cd2ac0fe7372424374d5f1b8a8add9d92739bca32e725374bb974241
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.zakhourco.com - Port:
587 - Username:
mira.kassar@zakhourco.com - Password:
#Za$out%12
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1396-127-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/1396-128-0x000000000043784E-mapping.dmp family_agenttesla behavioral2/memory/1396-134-0x00000000056B0000-0x0000000005BAE000-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.
Processes:
Purchase - Order.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Purchase - Order.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Purchase - Order.exe -
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:
Purchase - Order.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\lfEDL = "C:\\Users\\Admin\\AppData\\Roaming\\lfEDL\\lfEDL.exe" Purchase - Order.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
Purchase - Order.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum Purchase - Order.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0 Purchase - Order.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Purchase - Order.exedescription pid process target process PID 3200 set thread context of 1396 3200 Purchase - Order.exe Purchase - Order.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 5 IoCs
Processes:
Purchase - Order.exePurchase - Order.exepid process 3200 Purchase - Order.exe 3200 Purchase - Order.exe 3200 Purchase - Order.exe 1396 Purchase - Order.exe 1396 Purchase - Order.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Purchase - Order.exePurchase - Order.exedescription pid process Token: SeDebugPrivilege 3200 Purchase - Order.exe Token: SeDebugPrivilege 1396 Purchase - Order.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Purchase - Order.exepid process 1396 Purchase - Order.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
Purchase - Order.exedescription pid process target process PID 3200 wrote to memory of 8 3200 Purchase - Order.exe schtasks.exe PID 3200 wrote to memory of 8 3200 Purchase - Order.exe schtasks.exe PID 3200 wrote to memory of 8 3200 Purchase - Order.exe schtasks.exe PID 3200 wrote to memory of 3988 3200 Purchase - Order.exe Purchase - Order.exe PID 3200 wrote to memory of 3988 3200 Purchase - Order.exe Purchase - Order.exe PID 3200 wrote to memory of 3988 3200 Purchase - Order.exe Purchase - Order.exe PID 3200 wrote to memory of 1396 3200 Purchase - Order.exe Purchase - Order.exe PID 3200 wrote to memory of 1396 3200 Purchase - Order.exe Purchase - Order.exe PID 3200 wrote to memory of 1396 3200 Purchase - Order.exe Purchase - Order.exe PID 3200 wrote to memory of 1396 3200 Purchase - Order.exe Purchase - Order.exe PID 3200 wrote to memory of 1396 3200 Purchase - Order.exe Purchase - Order.exe PID 3200 wrote to memory of 1396 3200 Purchase - Order.exe Purchase - Order.exe PID 3200 wrote to memory of 1396 3200 Purchase - Order.exe Purchase - Order.exe PID 3200 wrote to memory of 1396 3200 Purchase - Order.exe Purchase - Order.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase - Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase - Order.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
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wzqcOpgNYsw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCD68.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Purchase - Order.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Purchase - Order.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Purchase - Order.exe.logMD5
12557ab909651a6f99d3503d614d3562
SHA1b86745768059a514bea3a438e1e96086af463246
SHA2569589c869703e95d40d5870c60f66d8460f7914e9fe8dd579533c84148112babd
SHA51210cdb2fa7cf054af937b4aeddfe16fe755d6b09db5a51f7052adbf472b4b435e16c141f3712762f3b67f990c3efcfa47659576988e321214c747d6cd98e75521
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C:\Users\Admin\AppData\Local\Temp\tmpCD68.tmpMD5
4a8139317affb783aaa122cf0b660878
SHA13d431a4bc0d3c9481e995d7c666b957e84cb1cf9
SHA256b4f3bae01de0a360aab32f101c59a9f17693a38b6c6853b9cc782f5a9de1fa7c
SHA512df8e0f4c4c97ec4fbf9585f7cd023c3129e62092260f7a48845717e2fd5291b09269edbc6b1ce117f65cbe3ec4d15e382efc8835991ebc8103f293cf0aecaa90
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memory/8-125-0x0000000000000000-mapping.dmp
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memory/1396-135-0x00000000062A0000-0x00000000062A1000-memory.dmpFilesize
4KB
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memory/1396-134-0x00000000056B0000-0x0000000005BAE000-memory.dmpFilesize
5.0MB
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memory/1396-128-0x000000000043784E-mapping.dmp
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memory/1396-127-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3200-119-0x0000000004A20000-0x0000000004F1E000-memory.dmpFilesize
5.0MB
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memory/3200-123-0x0000000008390000-0x00000000083CD000-memory.dmpFilesize
244KB
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memory/3200-124-0x000000000DBE0000-0x000000000DBE1000-memory.dmpFilesize
4KB
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memory/3200-122-0x0000000008410000-0x0000000008492000-memory.dmpFilesize
520KB
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memory/3200-121-0x0000000007FF0000-0x0000000007FF1000-memory.dmpFilesize
4KB
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memory/3200-120-0x0000000004F10000-0x0000000004F12000-memory.dmpFilesize
8KB
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memory/3200-114-0x0000000000260000-0x0000000000261000-memory.dmpFilesize
4KB
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memory/3200-118-0x0000000004C80000-0x0000000004C81000-memory.dmpFilesize
4KB
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memory/3200-117-0x0000000004B10000-0x0000000004B11000-memory.dmpFilesize
4KB
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memory/3200-116-0x0000000004F20000-0x0000000004F21000-memory.dmpFilesize
4KB