Analysis
- max time kernel
142s - max time network
143s - platform
windows7_x64 - resource
win7v20201028 - submitted
09/11/2020, 20:11
Static task
static1
Behavioral task
behavioral1
Sample
DOC.PDF.exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
DOC.PDF.exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target DOC.PDF.exe
- Size 401KB
- Sample201109-2g4pbf9d2s
- SHA256 0fbf94a719f66bcd7d5d5a8fe06d509bd4bf09ccc7610d6b08a6eb97136bc84a
- MD5 0a9ede2f77583a6f5851822e0e9fa547
- SHA1 2158339ce24bf1df97bab8018a693de764159dd4
- SHA512 547f7c4b9dffa8cb2ce03210a3d1d79b5f339644c75df1825b9ce84adefaccd36be6cdc793c90ce0afaf8ee0c24ca71840653e2f3f0333a4da4d1e956d304a23
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.kalatecnic.com
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Port
587
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Username
-
Password
Barcelona08397
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/864-2-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/864-3-0x000000000044CDCE-mapping.dmp family_agenttesla behavioral1/memory/864-4-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/864-5-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1880 set thread context of 864 1880 DOC.PDF.exe 31 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 268 schtasks.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1880 DOC.PDF.exe 864 DOC.PDF.exe 864 DOC.PDF.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1880 DOC.PDF.exe Token: SeDebugPrivilege 864 DOC.PDF.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1880 wrote to memory of 268 1880 DOC.PDF.exe 29 PID 1880 wrote to memory of 268 1880 DOC.PDF.exe 29 PID 1880 wrote to memory of 268 1880 DOC.PDF.exe 29 PID 1880 wrote to memory of 268 1880 DOC.PDF.exe 29 PID 1880 wrote to memory of 864 1880 DOC.PDF.exe 31 PID 1880 wrote to memory of 864 1880 DOC.PDF.exe 31 PID 1880 wrote to memory of 864 1880 DOC.PDF.exe 31 PID 1880 wrote to memory of 864 1880 DOC.PDF.exe 31 PID 1880 wrote to memory of 864 1880 DOC.PDF.exe 31 PID 1880 wrote to memory of 864 1880 DOC.PDF.exe 31 PID 1880 wrote to memory of 864 1880 DOC.PDF.exe 31 PID 1880 wrote to memory of 864 1880 DOC.PDF.exe 31 PID 1880 wrote to memory of 864 1880 DOC.PDF.exe 31 PID 864 wrote to memory of 1096 864 DOC.PDF.exe 33 PID 864 wrote to memory of 1096 864 DOC.PDF.exe 33 PID 864 wrote to memory of 1096 864 DOC.PDF.exe 33 PID 864 wrote to memory of 1096 864 DOC.PDF.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\DOC.PDF.exe"C:\Users\Admin\AppData\Local\Temp\DOC.PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1880 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lQcYcdKa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7AE.tmp"2⤵
- Creates scheduled task(s)
PID:268
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C:\Users\Admin\AppData\Local\Temp\DOC.PDF.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1096
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