Analysis
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max time kernel
113s -
max time network
120s -
platform
windows7_x64 -
resource
win7 -
submitted
31-07-2020 13:33
Static task
static1
Behavioral task
behavioral1
Sample
AWB 1382297265.exe
Resource
win7
Behavioral task
behavioral2
Sample
AWB 1382297265.exe
Resource
win10v200722
General
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Target
AWB 1382297265.exe
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Size
706KB
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MD5
968ce7d180f5bf4b5348ea2c4fd25903
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SHA1
09ae804989bcc707126cce9ffa03a7c5050d8abd
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SHA256
94e264f2655f2898b4e1b4fb2902702e0bb54ab1dcd2e280266e3b6d81611172
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SHA512
887f7c77d9164c529fff9dbb1c5ffb22ef58527004567b5e067305d7204f0cfdd875f52b000773532d6fa79cbf4040906c0f908e34ac1a57b73429115ec701a9
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
markusha.eric@yandex.com - Password:
udehanyim@11
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 behavioral1/memory/1796-5-0x0000000000446CCE-mapping.dmp family_agenttesla behavioral1/memory/1796-7-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla behavioral1/memory/1796-8-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
Processes:
InstallUtil.exepid process 1796 InstallUtil.exe -
Loads dropped DLL 1 IoCs
Processes:
AWB 1382297265.exepid process 1152 AWB 1382297265.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:
AWB 1382297265.exedescription pid process target process PID 1152 set thread context of 1796 1152 AWB 1382297265.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
AWB 1382297265.exeInstallUtil.exepid process 1152 AWB 1382297265.exe 1152 AWB 1382297265.exe 1152 AWB 1382297265.exe 1796 InstallUtil.exe 1796 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
AWB 1382297265.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1152 AWB 1382297265.exe Token: SeDebugPrivilege 1796 InstallUtil.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
AWB 1382297265.exedescription pid process target process PID 1152 wrote to memory of 1796 1152 AWB 1382297265.exe InstallUtil.exe PID 1152 wrote to memory of 1796 1152 AWB 1382297265.exe InstallUtil.exe PID 1152 wrote to memory of 1796 1152 AWB 1382297265.exe InstallUtil.exe PID 1152 wrote to memory of 1796 1152 AWB 1382297265.exe InstallUtil.exe PID 1152 wrote to memory of 1796 1152 AWB 1382297265.exe InstallUtil.exe PID 1152 wrote to memory of 1796 1152 AWB 1382297265.exe InstallUtil.exe PID 1152 wrote to memory of 1796 1152 AWB 1382297265.exe InstallUtil.exe PID 1152 wrote to memory of 1796 1152 AWB 1382297265.exe InstallUtil.exe PID 1152 wrote to memory of 1796 1152 AWB 1382297265.exe InstallUtil.exe PID 1152 wrote to memory of 1796 1152 AWB 1382297265.exe InstallUtil.exe PID 1152 wrote to memory of 1796 1152 AWB 1382297265.exe InstallUtil.exe PID 1152 wrote to memory of 1796 1152 AWB 1382297265.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\AWB 1382297265.exe"C:\Users\Admin\AppData\Local\Temp\AWB 1382297265.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- 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\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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memory/1152-1-0x0000000000000000-0x0000000000000000-disk.dmp
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memory/1796-5-0x0000000000446CCE-mapping.dmp
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memory/1796-7-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1796-8-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB