Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7 -
submitted
12-07-2020 11:25
Static task
static1
Behavioral task
behavioral1
Sample
LOI.exe
Resource
win7
Behavioral task
behavioral2
Sample
LOI.exe
Resource
win10
General
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Target
LOI.exe
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Size
1.7MB
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MD5
a9ec592de604f8cc9300e8160a2ee6d5
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SHA1
2cfcc36239da64a6a7423335f70fccdfce30a554
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SHA256
968a8beb6e28a3373c34727e3267517381b9108f1086cd5c7325a376cb19339b
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SHA512
9695d5ea9c406d053b3aea16f2a63211ccaa5bfa1fac3005d9924eec0fa08f16e8c46a036c274853425f3dccdd0480ef999527f49653f637be8c1ebcf62dd3fe
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.qsons.pk - Port:
587 - Username:
uzor@qsons.pk - Password:
2018Kwa@
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/2032-14-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2032-15-0x0000000000446AEE-mapping.dmp family_agenttesla behavioral1/memory/2032-17-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2032-18-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Executes dropped EXE 2 IoCs
Processes:
abobex.exeInstallUtil.exepid process 1932 abobex.exe 2032 InstallUtil.exe -
Loads dropped DLL 2 IoCs
Processes:
LOI.exeabobex.exepid process 1612 LOI.exe 1932 abobex.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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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
reg.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\abobex = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\abobex.exe" reg.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
abobex.exedescription pid process target process PID 1932 set thread context of 2032 1932 abobex.exe InstallUtil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
LOI.exeabobex.exeInstallUtil.exepid process 1612 LOI.exe 1612 LOI.exe 1612 LOI.exe 1932 abobex.exe 1932 abobex.exe 1932 abobex.exe 2032 InstallUtil.exe 2032 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
LOI.exeabobex.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1612 LOI.exe Token: SeDebugPrivilege 1932 abobex.exe Token: SeDebugPrivilege 2032 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
InstallUtil.exepid process 2032 InstallUtil.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
LOI.execmd.exeabobex.exedescription pid process target process PID 1612 wrote to memory of 1768 1612 LOI.exe cmd.exe PID 1612 wrote to memory of 1768 1612 LOI.exe cmd.exe PID 1612 wrote to memory of 1768 1612 LOI.exe cmd.exe PID 1612 wrote to memory of 1768 1612 LOI.exe cmd.exe PID 1768 wrote to memory of 1792 1768 cmd.exe reg.exe PID 1768 wrote to memory of 1792 1768 cmd.exe reg.exe PID 1768 wrote to memory of 1792 1768 cmd.exe reg.exe PID 1768 wrote to memory of 1792 1768 cmd.exe reg.exe PID 1612 wrote to memory of 1932 1612 LOI.exe abobex.exe PID 1612 wrote to memory of 1932 1612 LOI.exe abobex.exe PID 1612 wrote to memory of 1932 1612 LOI.exe abobex.exe PID 1612 wrote to memory of 1932 1612 LOI.exe abobex.exe PID 1932 wrote to memory of 2032 1932 abobex.exe InstallUtil.exe PID 1932 wrote to memory of 2032 1932 abobex.exe InstallUtil.exe PID 1932 wrote to memory of 2032 1932 abobex.exe InstallUtil.exe PID 1932 wrote to memory of 2032 1932 abobex.exe InstallUtil.exe PID 1932 wrote to memory of 2032 1932 abobex.exe InstallUtil.exe PID 1932 wrote to memory of 2032 1932 abobex.exe InstallUtil.exe PID 1932 wrote to memory of 2032 1932 abobex.exe InstallUtil.exe PID 1932 wrote to memory of 2032 1932 abobex.exe InstallUtil.exe PID 1932 wrote to memory of 2032 1932 abobex.exe InstallUtil.exe PID 1932 wrote to memory of 2032 1932 abobex.exe InstallUtil.exe PID 1932 wrote to memory of 2032 1932 abobex.exe InstallUtil.exe PID 1932 wrote to memory of 2032 1932 abobex.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\LOI.exe"C:\Users\Admin\AppData\Local\Temp\LOI.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v abobex /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\abobex.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exeREG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v abobex /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\abobex.exe"3⤵
- Adds Run key to start application
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\abobex.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\abobex.exe"2⤵
- Executes dropped EXE
- 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"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\abobex.exeMD5
a9ec592de604f8cc9300e8160a2ee6d5
SHA12cfcc36239da64a6a7423335f70fccdfce30a554
SHA256968a8beb6e28a3373c34727e3267517381b9108f1086cd5c7325a376cb19339b
SHA5129695d5ea9c406d053b3aea16f2a63211ccaa5bfa1fac3005d9924eec0fa08f16e8c46a036c274853425f3dccdd0480ef999527f49653f637be8c1ebcf62dd3fe
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\abobex.exeMD5
a9ec592de604f8cc9300e8160a2ee6d5
SHA12cfcc36239da64a6a7423335f70fccdfce30a554
SHA256968a8beb6e28a3373c34727e3267517381b9108f1086cd5c7325a376cb19339b
SHA5129695d5ea9c406d053b3aea16f2a63211ccaa5bfa1fac3005d9924eec0fa08f16e8c46a036c274853425f3dccdd0480ef999527f49653f637be8c1ebcf62dd3fe
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\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\abobex.exeMD5
a9ec592de604f8cc9300e8160a2ee6d5
SHA12cfcc36239da64a6a7423335f70fccdfce30a554
SHA256968a8beb6e28a3373c34727e3267517381b9108f1086cd5c7325a376cb19339b
SHA5129695d5ea9c406d053b3aea16f2a63211ccaa5bfa1fac3005d9924eec0fa08f16e8c46a036c274853425f3dccdd0480ef999527f49653f637be8c1ebcf62dd3fe
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memory/1612-1-0x0000000000000000-0x0000000000000000-disk.dmp
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memory/1768-3-0x0000000000000000-mapping.dmp
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memory/1792-4-0x0000000000000000-mapping.dmp
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memory/1932-6-0x0000000000000000-mapping.dmp
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memory/2032-14-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/2032-15-0x0000000000446AEE-mapping.dmp
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memory/2032-17-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/2032-18-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB