Analysis
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max time kernel
136s -
max time network
31s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
10-07-2020 13:31
Static task
static1
Behavioral task
behavioral1
Sample
Payment Ref MT 103 #159D02AE0010.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
Payment Ref MT 103 #159D02AE0010.exe
Resource
win10v200430
General
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Target
Payment Ref MT 103 #159D02AE0010.exe
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Size
672KB
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MD5
0bae3dd39aeebc469202a968bceb1d9f
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SHA1
6481633b678f49af4f1ec09e49241ced678c3f5f
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SHA256
6014740a30fea5272a80b5f3cbe88ef2b54ddd33d8a37420e5e93a0999d81fbd
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SHA512
ba95714da2ac89389058cd9e057cafbd90ab66cb624bed60f4b289be049f7c5640e2e4672b9eb2ca20824cea85f79a7b9446dd5996b2d7e37af689c2402a93a2
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
@infinitY1234
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/1860-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1860-5-0x0000000000446F9E-mapping.dmp family_agenttesla behavioral1/memory/1860-7-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1860-8-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
Processes:
InstallUtil.exepid process 1860 InstallUtil.exe -
Loads dropped DLL 1 IoCs
Processes:
Payment Ref MT 103 #159D02AE0010.exepid process 1032 Payment Ref MT 103 #159D02AE0010.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:
Payment Ref MT 103 #159D02AE0010.exedescription pid process target process PID 1032 set thread context of 1860 1032 Payment Ref MT 103 #159D02AE0010.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
Payment Ref MT 103 #159D02AE0010.exeInstallUtil.exepid process 1032 Payment Ref MT 103 #159D02AE0010.exe 1032 Payment Ref MT 103 #159D02AE0010.exe 1032 Payment Ref MT 103 #159D02AE0010.exe 1860 InstallUtil.exe 1860 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Payment Ref MT 103 #159D02AE0010.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1032 Payment Ref MT 103 #159D02AE0010.exe Token: SeDebugPrivilege 1860 InstallUtil.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
Payment Ref MT 103 #159D02AE0010.exedescription pid process target process PID 1032 wrote to memory of 1860 1032 Payment Ref MT 103 #159D02AE0010.exe InstallUtil.exe PID 1032 wrote to memory of 1860 1032 Payment Ref MT 103 #159D02AE0010.exe InstallUtil.exe PID 1032 wrote to memory of 1860 1032 Payment Ref MT 103 #159D02AE0010.exe InstallUtil.exe PID 1032 wrote to memory of 1860 1032 Payment Ref MT 103 #159D02AE0010.exe InstallUtil.exe PID 1032 wrote to memory of 1860 1032 Payment Ref MT 103 #159D02AE0010.exe InstallUtil.exe PID 1032 wrote to memory of 1860 1032 Payment Ref MT 103 #159D02AE0010.exe InstallUtil.exe PID 1032 wrote to memory of 1860 1032 Payment Ref MT 103 #159D02AE0010.exe InstallUtil.exe PID 1032 wrote to memory of 1860 1032 Payment Ref MT 103 #159D02AE0010.exe InstallUtil.exe PID 1032 wrote to memory of 1860 1032 Payment Ref MT 103 #159D02AE0010.exe InstallUtil.exe PID 1032 wrote to memory of 1860 1032 Payment Ref MT 103 #159D02AE0010.exe InstallUtil.exe PID 1032 wrote to memory of 1860 1032 Payment Ref MT 103 #159D02AE0010.exe InstallUtil.exe PID 1032 wrote to memory of 1860 1032 Payment Ref MT 103 #159D02AE0010.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment Ref MT 103 #159D02AE0010.exe"C:\Users\Admin\AppData\Local\Temp\Payment Ref MT 103 #159D02AE0010.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1032 -
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
PID:1860
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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MD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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MD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e