Analysis
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max time kernel
136s -
max time network
29s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
09-07-2020 07:49
Static task
static1
Behavioral task
behavioral1
Sample
shipmt. docs.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
shipmt. docs.exe
Resource
win10
General
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Target
shipmt. docs.exe
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Size
673KB
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MD5
082a5aabb74c2af499c403dc666e160b
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SHA1
3db0f86f3482308fe7aa28849367c87bb0fbab05
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SHA256
4f7d098eae6da6be33eac760b42706400f38c821e26fa688a01a9a9fcbc3063c
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SHA512
f047ec5778f55735e43b9b2d11a06bae2aa28611df580a84ded75f306d8b58718775f8ecec235cd450c2e4a39a86214864e57290ac887e3fc3f3f7144b200dd1
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
chinwendu123
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/1836-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1836-5-0x00000000004470BE-mapping.dmp family_agenttesla behavioral1/memory/1836-7-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1836-8-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
Processes:
InstallUtil.exepid process 1836 InstallUtil.exe -
Loads dropped DLL 1 IoCs
Processes:
shipmt. docs.exepid process 1432 shipmt. docs.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:
shipmt. docs.exedescription pid process target process PID 1432 set thread context of 1836 1432 shipmt. docs.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
shipmt. docs.exeInstallUtil.exepid process 1432 shipmt. docs.exe 1432 shipmt. docs.exe 1432 shipmt. docs.exe 1836 InstallUtil.exe 1836 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
shipmt. docs.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1432 shipmt. docs.exe Token: SeDebugPrivilege 1836 InstallUtil.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
shipmt. docs.exedescription pid process target process PID 1432 wrote to memory of 1836 1432 shipmt. docs.exe InstallUtil.exe PID 1432 wrote to memory of 1836 1432 shipmt. docs.exe InstallUtil.exe PID 1432 wrote to memory of 1836 1432 shipmt. docs.exe InstallUtil.exe PID 1432 wrote to memory of 1836 1432 shipmt. docs.exe InstallUtil.exe PID 1432 wrote to memory of 1836 1432 shipmt. docs.exe InstallUtil.exe PID 1432 wrote to memory of 1836 1432 shipmt. docs.exe InstallUtil.exe PID 1432 wrote to memory of 1836 1432 shipmt. docs.exe InstallUtil.exe PID 1432 wrote to memory of 1836 1432 shipmt. docs.exe InstallUtil.exe PID 1432 wrote to memory of 1836 1432 shipmt. docs.exe InstallUtil.exe PID 1432 wrote to memory of 1836 1432 shipmt. docs.exe InstallUtil.exe PID 1432 wrote to memory of 1836 1432 shipmt. docs.exe InstallUtil.exe PID 1432 wrote to memory of 1836 1432 shipmt. docs.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\shipmt. docs.exe"C:\Users\Admin\AppData\Local\Temp\shipmt. docs.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/1432-1-0x0000000000000000-0x0000000000000000-disk.dmp
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memory/1836-4-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1836-5-0x00000000004470BE-mapping.dmp
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memory/1836-7-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1836-8-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB