Analysis
- max time kernel
109s - max time network
107s - platform
windows7_x64 - resource
win7v20201028 - submitted
09/11/2020, 19:43
Static task
static1
Behavioral task
behavioral1
Sample
Payment remitted.exe
Resource
win7v20201028
0 signatures
0 seconds
General
- Target Payment remitted.exe
- Size 425KB
- Sample201109-ctrydmpp36
- SHA256 c3d8a2df50dffafea2a385695cb95e534bbb16c3ccb22675d8f1cc40dd4b4bba
- MD5 7d6a5f6df352a802ff0a268d00457f8c
- SHA1 f6035d55e27b07dc7f01a74552b7a1f03e1b9fab
- SHA512 1974e1a9c1119b367a73d3a65b107669b2a23206fc3790099226e61d4160c7e4941b1ffebdf1ee9536cec9e4721964c442db582014b905e4dcc35835b9627b2c
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.quasar-mu.com
-
Port
587
-
Username
-
Password
qOthrwK3
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1360-1-0x00000000004AAD60-mapping.dmp family_agenttesla behavioral1/memory/1360-4-0x0000000000400000-0x00000000004AC000-memory.dmp family_agenttesla behavioral1/memory/1360-5-0x0000000000320000-0x0000000000370000-memory.dmp family_agenttesla behavioral1/memory/1360-7-0x0000000000280000-0x00000000002CA000-memory.dmp family_agenttesla -
resource yara_rule behavioral1/memory/1360-0-0x0000000000400000-0x00000000004AC000-memory.dmp upx behavioral1/memory/1360-3-0x0000000000400000-0x00000000004AC000-memory.dmp upx behavioral1/memory/1360-4-0x0000000000400000-0x00000000004AC000-memory.dmp upx - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1992 set thread context of 1360 1992 Payment remitted.exe 26 - Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1992 Payment remitted.exe 316 Payment remitted.exe 316 Payment remitted.exe 316 Payment remitted.exe 316 Payment remitted.exe 316 Payment remitted.exe 316 Payment remitted.exe 316 Payment remitted.exe 1360 Payment remitted.exe 1360 Payment remitted.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1992 Payment remitted.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1360 Payment remitted.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1992 wrote to memory of 1360 1992 Payment remitted.exe 26 PID 1992 wrote to memory of 1360 1992 Payment remitted.exe 26 PID 1992 wrote to memory of 1360 1992 Payment remitted.exe 26 PID 1992 wrote to memory of 1360 1992 Payment remitted.exe 26 PID 1992 wrote to memory of 316 1992 Payment remitted.exe 27 PID 1992 wrote to memory of 316 1992 Payment remitted.exe 27 PID 1992 wrote to memory of 316 1992 Payment remitted.exe 27 PID 1992 wrote to memory of 316 1992 Payment remitted.exe 27 PID 1360 wrote to memory of 688 1360 Payment remitted.exe 32 PID 1360 wrote to memory of 688 1360 Payment remitted.exe 32 PID 1360 wrote to memory of 688 1360 Payment remitted.exe 32 PID 1360 wrote to memory of 688 1360 Payment remitted.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment remitted.exe"C:\Users\Admin\AppData\Local\Temp\Payment remitted.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Users\Admin\AppData\Local\Temp\Payment remitted.exe"C:\Users\Admin\AppData\Local\Temp\Payment remitted.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:688
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-
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C:\Users\Admin\AppData\Local\Temp\Payment remitted.exe"C:\Users\Admin\AppData\Local\Temp\Payment remitted.exe" 2 1360 2592707752⤵
- Suspicious behavior: EnumeratesProcesses
PID:316
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