Analysis
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max time kernel
150s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
26-01-2021 13:34
Static task
static1
Behavioral task
behavioral1
Sample
PL5CS6pwNitND2n.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
PL5CS6pwNitND2n.exe
Resource
win10v20201028
General
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Target
PL5CS6pwNitND2n.exe
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Size
559KB
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MD5
2370f590e857316425728c92f69e87ef
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SHA1
318a4f4263e9c9a4dbee501d75649aeb6fafc62d
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SHA256
b0512bf4c4bebccd0be10d2f25cf41a31b76ad4d282e0f3fa53799d45e906a15
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SHA512
e37f0ba55815c646796cd863921f884e7099b20f53b1c9eaebb22e247a0b28a6a67e05b2f35ce618d5451e556e8a6021cb7ea71bfc832c415480f3fc59f8ab35
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.lockitsolutions.co.ke - Port:
587 - Username:
[email protected] - Password:
7p4m*_^m)PXc
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1488-16-0x000000000043776E-mapping.dmp family_agenttesla behavioral2/memory/1488-15-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
PL5CS6pwNitND2n.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts PL5CS6pwNitND2n.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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Suspicious use of SetThreadContext 1 IoCs
Processes:
PL5CS6pwNitND2n.exedescription pid process target process PID 3084 set thread context of 1488 3084 PL5CS6pwNitND2n.exe PL5CS6pwNitND2n.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 3 IoCs
Processes:
PL5CS6pwNitND2n.exePL5CS6pwNitND2n.exepid process 3084 PL5CS6pwNitND2n.exe 1488 PL5CS6pwNitND2n.exe 1488 PL5CS6pwNitND2n.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PL5CS6pwNitND2n.exePL5CS6pwNitND2n.exedescription pid process Token: SeDebugPrivilege 3084 PL5CS6pwNitND2n.exe Token: SeDebugPrivilege 1488 PL5CS6pwNitND2n.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
PL5CS6pwNitND2n.exedescription pid process target process PID 3084 wrote to memory of 68 3084 PL5CS6pwNitND2n.exe schtasks.exe PID 3084 wrote to memory of 68 3084 PL5CS6pwNitND2n.exe schtasks.exe PID 3084 wrote to memory of 68 3084 PL5CS6pwNitND2n.exe schtasks.exe PID 3084 wrote to memory of 1488 3084 PL5CS6pwNitND2n.exe PL5CS6pwNitND2n.exe PID 3084 wrote to memory of 1488 3084 PL5CS6pwNitND2n.exe PL5CS6pwNitND2n.exe PID 3084 wrote to memory of 1488 3084 PL5CS6pwNitND2n.exe PL5CS6pwNitND2n.exe PID 3084 wrote to memory of 1488 3084 PL5CS6pwNitND2n.exe PL5CS6pwNitND2n.exe PID 3084 wrote to memory of 1488 3084 PL5CS6pwNitND2n.exe PL5CS6pwNitND2n.exe PID 3084 wrote to memory of 1488 3084 PL5CS6pwNitND2n.exe PL5CS6pwNitND2n.exe PID 3084 wrote to memory of 1488 3084 PL5CS6pwNitND2n.exe PL5CS6pwNitND2n.exe PID 3084 wrote to memory of 1488 3084 PL5CS6pwNitND2n.exe PL5CS6pwNitND2n.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PL5CS6pwNitND2n.exe"C:\Users\Admin\AppData\Local\Temp\PL5CS6pwNitND2n.exe"1⤵
- 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\EyUjfv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1473.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\PL5CS6pwNitND2n.exe"C:\Users\Admin\AppData\Local\Temp\PL5CS6pwNitND2n.exe"2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PL5CS6pwNitND2n.exe.logMD5
90acfd72f14a512712b1a7380c0faf60
SHA140ba4accb8faa75887e84fb8e38d598dc8cf0f12
SHA25620806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86
SHA51229dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9
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C:\Users\Admin\AppData\Local\Temp\tmp1473.tmpMD5
24332a7963ec22c3ff3eef1970bc928b
SHA155bf9d6b5b6200b07f820e655f5b893b4fd7a1e3
SHA2565f173ec3863aa75b266159fa41e007b498fe31914d9154853a346ab9842f4a35
SHA512f556f55e861a618c872d5564ac6548798cff68ea18e29926fa43ba358925f08e14d1c737fccb207b13fe18edf3d03a5c30b6cf80ecc0cd7d74a4606743d2d57e
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memory/68-13-0x0000000000000000-mapping.dmp
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memory/1488-25-0x0000000005BE0000-0x0000000005BE1000-memory.dmpFilesize
4KB
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memory/1488-24-0x0000000005550000-0x0000000005551000-memory.dmpFilesize
4KB
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memory/1488-23-0x0000000005050000-0x0000000005051000-memory.dmpFilesize
4KB
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memory/1488-18-0x0000000073940000-0x000000007402E000-memory.dmpFilesize
6.9MB
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memory/1488-15-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1488-16-0x000000000043776E-mapping.dmp
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memory/3084-7-0x00000000056D0000-0x00000000056D1000-memory.dmpFilesize
4KB
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memory/3084-12-0x0000000006380000-0x00000000063EA000-memory.dmpFilesize
424KB
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memory/3084-11-0x0000000005AB0000-0x0000000005AB3000-memory.dmpFilesize
12KB
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memory/3084-10-0x0000000005920000-0x0000000005921000-memory.dmpFilesize
4KB
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memory/3084-9-0x0000000005910000-0x0000000005911000-memory.dmpFilesize
4KB
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memory/3084-8-0x00000000055E0000-0x00000000055E1000-memory.dmpFilesize
4KB
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memory/3084-2-0x0000000073940000-0x000000007402E000-memory.dmpFilesize
6.9MB
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memory/3084-6-0x0000000005BD0000-0x0000000005BD1000-memory.dmpFilesize
4KB
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memory/3084-5-0x0000000005620000-0x0000000005621000-memory.dmpFilesize
4KB
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memory/3084-3-0x0000000000D40000-0x0000000000D41000-memory.dmpFilesize
4KB