Analysis
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max time kernel
147s -
max time network
132s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
20-04-2021 19:58
Static task
static1
Behavioral task
behavioral1
Sample
BONI APRIL_crypted.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
BONI APRIL_crypted.exe
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
BONI APRIL_crypted.exe
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Size
633KB
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MD5
a58b1f671d949136a3ca0176b937c04e
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SHA1
7c5581a992aaa9928a9d220710da89b7c90287bf
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SHA256
de7ce4352b90f87944e8edac1f451c4088f6394b3d2c186c721ad00d9fab4370
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SHA512
5e6861d0dd5ee3d851bb0ec621b7057c2059d91c1ce81d0d05a2588a588d9e8cd02ccd4d0bb023064f81c9dbc348c51b4d2716e699373445c3970db11ac7d8f9
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
a2plcpnl0347.prod.iad2.secureserver.net - Port:
587 - Username:
[email protected] - Password:
Admin_123
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/2752-126-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/2752-127-0x000000000043766E-mapping.dmp family_agenttesla behavioral2/memory/2752-132-0x00000000054C0000-0x00000000059BE000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\AvrzbM = "C:\\Users\\Admin\\AppData\\Roaming\\AvrzbM\\AvrzbM.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
BONI APRIL_crypted.exedescription pid process target process PID 3992 set thread context of 2752 3992 BONI APRIL_crypted.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
BONI APRIL_crypted.exeRegSvcs.exepid process 3992 BONI APRIL_crypted.exe 3992 BONI APRIL_crypted.exe 3992 BONI APRIL_crypted.exe 3992 BONI APRIL_crypted.exe 2752 RegSvcs.exe 2752 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
BONI APRIL_crypted.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 3992 BONI APRIL_crypted.exe Token: SeDebugPrivilege 2752 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
BONI APRIL_crypted.exedescription pid process target process PID 3992 wrote to memory of 2752 3992 BONI APRIL_crypted.exe RegSvcs.exe PID 3992 wrote to memory of 2752 3992 BONI APRIL_crypted.exe RegSvcs.exe PID 3992 wrote to memory of 2752 3992 BONI APRIL_crypted.exe RegSvcs.exe PID 3992 wrote to memory of 2752 3992 BONI APRIL_crypted.exe RegSvcs.exe PID 3992 wrote to memory of 2752 3992 BONI APRIL_crypted.exe RegSvcs.exe PID 3992 wrote to memory of 2752 3992 BONI APRIL_crypted.exe RegSvcs.exe PID 3992 wrote to memory of 2752 3992 BONI APRIL_crypted.exe RegSvcs.exe PID 3992 wrote to memory of 2752 3992 BONI APRIL_crypted.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\BONI APRIL_crypted.exe"C:\Users\Admin\AppData\Local\Temp\BONI APRIL_crypted.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3992 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2752
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