Analysis
- max time kernel
130s - max time network
46s - platform
windows7_x64 - resource
win7v20210410 - submitted
24/06/2021, 11:49
Static task
static1
Behavioral task
behavioral1
Sample
QTN TECHN 80654.exe
Resource
win7v20210410
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
QTN TECHN 80654.exe
Resource
win10v20210408
0 signatures
0 seconds
General
- Target QTN TECHN 80654.exe
- Size 1.7MB
- Sample210624-q127ksemms
- SHA256 372a1eff95efebac004946b062fafd38a69b2f9c4d2c900335b22353a4646d2e
- MD5 78cc790e0eb562e9dde6d6daf206f852
- SHA1 d9ad1c34313400f6f102b6f989d5004e540f74d4
- SHA512 71ba7b464f3559ea9e818942949b849dce24b2ebbf2bbaf1355091abdc7f7dfdfb18861266e34b000f082081bf62e0bb356ff9a014976721ad4261e5644c2aff
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.buynsell.com.pk
-
Port
587
-
Username
-
Password
9DdbVxrWBXPq
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
resource yara_rule behavioral1/memory/704-67-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/704-68-0x000000000043799E-mapping.dmp family_agenttesla behavioral1/memory/704-69-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe" RegSvcs.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1072 set thread context of 704 1072 QTN TECHN 80654.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 524 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1072 QTN TECHN 80654.exe 1072 QTN TECHN 80654.exe 704 RegSvcs.exe 704 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1072 QTN TECHN 80654.exe Token: SeDebugPrivilege 704 RegSvcs.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 704 RegSvcs.exe - Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1072 wrote to memory of 524 1072 QTN TECHN 80654.exe 29 PID 1072 wrote to memory of 524 1072 QTN TECHN 80654.exe 29 PID 1072 wrote to memory of 524 1072 QTN TECHN 80654.exe 29 PID 1072 wrote to memory of 524 1072 QTN TECHN 80654.exe 29 PID 1072 wrote to memory of 704 1072 QTN TECHN 80654.exe 31 PID 1072 wrote to memory of 704 1072 QTN TECHN 80654.exe 31 PID 1072 wrote to memory of 704 1072 QTN TECHN 80654.exe 31 PID 1072 wrote to memory of 704 1072 QTN TECHN 80654.exe 31 PID 1072 wrote to memory of 704 1072 QTN TECHN 80654.exe 31 PID 1072 wrote to memory of 704 1072 QTN TECHN 80654.exe 31 PID 1072 wrote to memory of 704 1072 QTN TECHN 80654.exe 31 PID 1072 wrote to memory of 704 1072 QTN TECHN 80654.exe 31 PID 1072 wrote to memory of 704 1072 QTN TECHN 80654.exe 31 PID 1072 wrote to memory of 704 1072 QTN TECHN 80654.exe 31 PID 1072 wrote to memory of 704 1072 QTN TECHN 80654.exe 31 PID 1072 wrote to memory of 704 1072 QTN TECHN 80654.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\QTN TECHN 80654.exe"C:\Users\Admin\AppData\Local\Temp\QTN TECHN 80654.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1072 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CFsglLfaDHbcrw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1822.tmp"2⤵
- Creates scheduled task(s)
PID:524
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:704
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