Analysis
- max time kernel
75s - max time network
146s - platform
windows10_x64 - resource
win10v200722 - submitted
13/08/2020, 10:03
Static task
static1
Behavioral task
behavioral1
Sample
Proforma Inv.exe
Resource
win7v200722
0 signatures
0 seconds
General
- Target Proforma Inv.exe
- Size 800KB
- Sample200813-c6vx6qqmtj
- SHA256 e6a9bbee2b3b1dec06bfcddd17711777d7d14171e9c180a7310f6bb9cabf6879
- MD5 825e3d821d92df7f2ec8f460d1ad2ec7
- SHA1 63c9cfd46df53f1c08bf71cd097478ce4f2eb40b
- SHA512 98ecaa705e858dc0132d61460364119cedfa47804a54d0d32a7715c3b29be1a457429cfa1bf0d731bde0bd57ddf09b5dac70377f4b4adff91fdebe4737275543
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
smtp.peregrrineeye.com
-
Port
587
-
Username
-
Password
Tk5:nAjy*6*m
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
resource yara_rule behavioral2/memory/428-1-0x00000000004BEF60-mapping.dmp agent_tesla behavioral2/memory/428-3-0x0000000000400000-0x00000000004C1000-memory.dmp agent_tesla behavioral2/memory/428-3-0x0000000000400000-0x00000000004C1000-memory.dmp agent_tesla behavioral2/memory/428-4-0x0000000002200000-0x000000000225A000-memory.dmp agent_tesla behavioral2/memory/428-4-0x0000000002200000-0x000000000225A000-memory.dmp agent_tesla -
resource yara_rule behavioral2/memory/428-0-0x0000000000400000-0x00000000004C1000-memory.dmp upx behavioral2/memory/428-0-0x0000000000400000-0x00000000004C1000-memory.dmp upx behavioral2/memory/428-2-0x0000000000400000-0x00000000004C1000-memory.dmp upx behavioral2/memory/428-2-0x0000000000400000-0x00000000004C1000-memory.dmp upx behavioral2/memory/428-3-0x0000000000400000-0x00000000004C1000-memory.dmp upx behavioral2/memory/428-3-0x0000000000400000-0x00000000004C1000-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 3608 set thread context of 428 3608 Proforma Inv.exe 66 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3608 Proforma Inv.exe 3608 Proforma Inv.exe 428 Proforma Inv.exe 428 Proforma Inv.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3608 Proforma Inv.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 428 Proforma Inv.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 428 Proforma Inv.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3608 wrote to memory of 428 3608 Proforma Inv.exe 66 PID 3608 wrote to memory of 428 3608 Proforma Inv.exe 66 PID 3608 wrote to memory of 428 3608 Proforma Inv.exe 66
Processes
-
C:\Users\Admin\AppData\Local\Temp\Proforma Inv.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Inv.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3608 -
C:\Users\Admin\AppData\Local\Temp\Proforma Inv.exe"C:\Users\Admin\AppData\Local\Temp\Proforma Inv.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:428
-