Analysis
- max time kernel
135s - max time network
74s - platform
windows10_x64 - resource
win10v20210408 - submitted
08/07/2021, 02:25
Static task
static1
Behavioral task
behavioral1
Sample
Re Prepayment for our order.exe
Resource
win7v20210410
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Re Prepayment for our order.exe
Resource
win10v20210408
0 signatures
0 seconds
General
- Target Re Prepayment for our order.exe
- Size 905KB
- Sample210708-rsbxll7xbs
- SHA256 c25675ee40dfce33bf46f115a21fa645701b19fd8a3045205469fc3667584360
- MD5 6edd84c0f11770a910c2ce959a9fd88c
- SHA1 326041117c5f841bbab3059d84afbf7c04fb3ba1
- SHA512 f0151bcb858f5632b61a1afd94a9dfa124ce11c873a694495c885ad8fcd8df5d3aa8bff298a605809fe8fa7a2780b37c45cc79ab64b4cf60c1bc93e879831fc4
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
C2
-
https://api.telegram.org/bot1710972151:AAGND-MDy4o4KIn3dfogM2q-_085HQD_g5U/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
resource yara_rule behavioral2/memory/504-125-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/504-126-0x000000000043770E-mapping.dmp family_agenttesla behavioral2/memory/504-132-0x0000000005780000-0x0000000005C7E000-memory.dmp family_agenttesla - 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.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\scvhosts = "C:\\Users\\Admin\\AppData\\Roaming\\scvhosts\\scvhosts.exe" Re Prepayment for our order.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 804 set thread context of 504 804 Re Prepayment for our order.exe 77 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 504 Re Prepayment for our order.exe 504 Re Prepayment for our order.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 504 Re Prepayment for our order.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 504 Re Prepayment for our order.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 804 wrote to memory of 504 804 Re Prepayment for our order.exe 77 PID 804 wrote to memory of 504 804 Re Prepayment for our order.exe 77 PID 804 wrote to memory of 504 804 Re Prepayment for our order.exe 77 PID 804 wrote to memory of 504 804 Re Prepayment for our order.exe 77 PID 804 wrote to memory of 504 804 Re Prepayment for our order.exe 77 PID 804 wrote to memory of 504 804 Re Prepayment for our order.exe 77 PID 804 wrote to memory of 504 804 Re Prepayment for our order.exe 77 PID 804 wrote to memory of 504 804 Re Prepayment for our order.exe 77
Processes
-
C:\Users\Admin\AppData\Local\Temp\Re Prepayment for our order.exe"C:\Users\Admin\AppData\Local\Temp\Re Prepayment for our order.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:804 -
C:\Users\Admin\AppData\Local\Temp\Re Prepayment for our order.exe"C:\Users\Admin\AppData\Local\Temp\Re Prepayment for our order.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:504
-