Analysis
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max time kernel
149s -
max time network
110s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
20-04-2021 14:26
Static task
static1
Behavioral task
behavioral1
Sample
apr.20.Product.Sample.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
apr.20.Product.Sample.exe
Resource
win10v20210408
General
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Target
apr.20.Product.Sample.exe
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Size
914KB
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MD5
54be59d38b7cd8b17b2a61dc223b9ba4
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SHA1
9f53e465983fef1d75c125f02f561eb367ffc7c3
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SHA256
00e029505f08409c263a00c64d9afb68ce25af2c87ce9aff7b8533b965294215
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SHA512
77f8f867d4a19be4c9a4ecfa26ac9baa67621d7217017164bf11f61635bd0363bb450d71f70b050223c89419ce001c9f77d0aa183dfd9899861abf179d1236c7
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://199.188.200.93/ - Port:
21 - Username:
oralogvj - Password:
BNHColCvgMdA
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/2336-128-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/2336-129-0x000000000043772E-mapping.dmp family_agenttesla behavioral2/memory/2336-135-0x0000000005640000-0x0000000005B3E000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
apr.20.Product.Sample.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts apr.20.Product.Sample.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
apr.20.Product.Sample.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\gqxRqe = "C:\\Users\\Admin\\AppData\\Roaming\\gqxRqe\\gqxRqe.exe" apr.20.Product.Sample.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
apr.20.Product.Sample.exedescription pid process target process PID 4024 set thread context of 2336 4024 apr.20.Product.Sample.exe apr.20.Product.Sample.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:
apr.20.Product.Sample.exeapr.20.Product.Sample.exepid process 4024 apr.20.Product.Sample.exe 4024 apr.20.Product.Sample.exe 4024 apr.20.Product.Sample.exe 2336 apr.20.Product.Sample.exe 2336 apr.20.Product.Sample.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
apr.20.Product.Sample.exeapr.20.Product.Sample.exedescription pid process Token: SeDebugPrivilege 4024 apr.20.Product.Sample.exe Token: SeDebugPrivilege 2336 apr.20.Product.Sample.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
apr.20.Product.Sample.exedescription pid process target process PID 4024 wrote to memory of 3288 4024 apr.20.Product.Sample.exe schtasks.exe PID 4024 wrote to memory of 3288 4024 apr.20.Product.Sample.exe schtasks.exe PID 4024 wrote to memory of 3288 4024 apr.20.Product.Sample.exe schtasks.exe PID 4024 wrote to memory of 2336 4024 apr.20.Product.Sample.exe apr.20.Product.Sample.exe PID 4024 wrote to memory of 2336 4024 apr.20.Product.Sample.exe apr.20.Product.Sample.exe PID 4024 wrote to memory of 2336 4024 apr.20.Product.Sample.exe apr.20.Product.Sample.exe PID 4024 wrote to memory of 2336 4024 apr.20.Product.Sample.exe apr.20.Product.Sample.exe PID 4024 wrote to memory of 2336 4024 apr.20.Product.Sample.exe apr.20.Product.Sample.exe PID 4024 wrote to memory of 2336 4024 apr.20.Product.Sample.exe apr.20.Product.Sample.exe PID 4024 wrote to memory of 2336 4024 apr.20.Product.Sample.exe apr.20.Product.Sample.exe PID 4024 wrote to memory of 2336 4024 apr.20.Product.Sample.exe apr.20.Product.Sample.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\apr.20.Product.Sample.exe"C:\Users\Admin\AppData\Local\Temp\apr.20.Product.Sample.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4024 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zUTKSKQC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB8F0.tmp"2⤵
- Creates scheduled task(s)
PID:3288
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C:\Users\Admin\AppData\Local\Temp\apr.20.Product.Sample.exe"C:\Users\Admin\AppData\Local\Temp\apr.20.Product.Sample.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2336
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
90acfd72f14a512712b1a7380c0faf60
SHA140ba4accb8faa75887e84fb8e38d598dc8cf0f12
SHA25620806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86
SHA51229dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9
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MD5
4bab0484837ee5705a96a1730433134c
SHA1b5a44446b0a79ad335ac3440d8322755544b53ba
SHA25623d7e4adbf348389a69ccb2a8d9109716236bf073ba7fd7c66d2dfdf9a79b0c8
SHA512c52c4637b9a6caff05c1c8d3e7525df455483d0491c5766470ec5759e0929494875306cb9d4dd3e8351a36efe76fc44d23a0c01887dbe657ce92f7ab4ee78de6