Analysis
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max time kernel
70s -
max time network
25s -
platform
windows7_x64 -
resource
win7 -
submitted
07-07-2020 06:00
Static task
static1
Behavioral task
behavioral1
Sample
88f10afbe4add77cdc52f99018ea9ba2.exe
Resource
win7
Behavioral task
behavioral2
Sample
88f10afbe4add77cdc52f99018ea9ba2.exe
Resource
win10v200430
General
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Target
88f10afbe4add77cdc52f99018ea9ba2.exe
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Size
657KB
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MD5
88f10afbe4add77cdc52f99018ea9ba2
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SHA1
e97ad30d3c28b0636e3a30c3ccf9c5d82fe78a52
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SHA256
7201787f662618eb96e10f46c29872dadecf33f6b12920eac8ec9b9dd1724cd6
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SHA512
ec16f7c01a26adf52711d949881189e0b6c1a3d4d167273194c6c035d4d16376d74c6d227e0ddcfc150b392e72b21d226a99cd239a09bd46348115caf7bd8511
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
Onelove82
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/112-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/112-5-0x0000000000446B0E-mapping.dmp family_agenttesla behavioral1/memory/112-7-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/112-8-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
Processes:
InstallUtil.exepid process 112 InstallUtil.exe -
Loads dropped DLL 1 IoCs
Processes:
88f10afbe4add77cdc52f99018ea9ba2.exepid process 1312 88f10afbe4add77cdc52f99018ea9ba2.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:
88f10afbe4add77cdc52f99018ea9ba2.exedescription pid process target process PID 1312 set thread context of 112 1312 88f10afbe4add77cdc52f99018ea9ba2.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
88f10afbe4add77cdc52f99018ea9ba2.exeInstallUtil.exepid process 1312 88f10afbe4add77cdc52f99018ea9ba2.exe 1312 88f10afbe4add77cdc52f99018ea9ba2.exe 1312 88f10afbe4add77cdc52f99018ea9ba2.exe 112 InstallUtil.exe 112 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
88f10afbe4add77cdc52f99018ea9ba2.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1312 88f10afbe4add77cdc52f99018ea9ba2.exe Token: SeDebugPrivilege 112 InstallUtil.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
88f10afbe4add77cdc52f99018ea9ba2.exedescription pid process target process PID 1312 wrote to memory of 112 1312 88f10afbe4add77cdc52f99018ea9ba2.exe InstallUtil.exe PID 1312 wrote to memory of 112 1312 88f10afbe4add77cdc52f99018ea9ba2.exe InstallUtil.exe PID 1312 wrote to memory of 112 1312 88f10afbe4add77cdc52f99018ea9ba2.exe InstallUtil.exe PID 1312 wrote to memory of 112 1312 88f10afbe4add77cdc52f99018ea9ba2.exe InstallUtil.exe PID 1312 wrote to memory of 112 1312 88f10afbe4add77cdc52f99018ea9ba2.exe InstallUtil.exe PID 1312 wrote to memory of 112 1312 88f10afbe4add77cdc52f99018ea9ba2.exe InstallUtil.exe PID 1312 wrote to memory of 112 1312 88f10afbe4add77cdc52f99018ea9ba2.exe InstallUtil.exe PID 1312 wrote to memory of 112 1312 88f10afbe4add77cdc52f99018ea9ba2.exe InstallUtil.exe PID 1312 wrote to memory of 112 1312 88f10afbe4add77cdc52f99018ea9ba2.exe InstallUtil.exe PID 1312 wrote to memory of 112 1312 88f10afbe4add77cdc52f99018ea9ba2.exe InstallUtil.exe PID 1312 wrote to memory of 112 1312 88f10afbe4add77cdc52f99018ea9ba2.exe InstallUtil.exe PID 1312 wrote to memory of 112 1312 88f10afbe4add77cdc52f99018ea9ba2.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\88f10afbe4add77cdc52f99018ea9ba2.exe"C:\Users\Admin\AppData\Local\Temp\88f10afbe4add77cdc52f99018ea9ba2.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/112-4-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/112-5-0x0000000000446B0E-mapping.dmp
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memory/112-7-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/112-8-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1312-1-0x0000000000000000-0x0000000000000000-disk.dmp