Analysis
- max time kernel
62s - max time network
21s - platform
windows7_x64 - resource
win7 - submitted
29/06/2020, 11:54
Static task
static1
Behavioral task
behavioral1
Sample
Scan docs.exe
Resource
win7
0 signatures
0 seconds
General
- Target Scan docs.exe
- Size 1.0MB
- Sample200629-17749fc7m6
- SHA256 71d8159ce550c2d8526d40a569f7c3cea6da7107208d80d8ccb15cdbda64603a
- MD5 43610617c1be60cdcb9cb1a9812e27b9
- SHA1 10b7304ae58e93821994d0bf09c5727d8d3ba486
- SHA512 68df72aae61c3b0def02d7faae199842c8906ee3918621e68a26a36294df8d824d1cc96cd818e6455f7fe8cae483b1b018b81f639c20008ef4d52c4fa0d1d342
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
Simple262627
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1204-1-0x00000000004A3910-mapping.dmp family_agenttesla behavioral1/memory/1204-3-0x0000000000400000-0x00000000004A5000-memory.dmp family_agenttesla behavioral1/memory/1204-4-0x00000000007A0000-0x00000000007EC000-memory.dmp family_agenttesla behavioral1/memory/1204-6-0x00000000003B0000-0x00000000003F6000-memory.dmp family_agenttesla -
resource yara_rule behavioral1/memory/1204-0-0x0000000000400000-0x00000000004A5000-memory.dmp upx behavioral1/memory/1204-2-0x0000000000400000-0x00000000004A5000-memory.dmp upx behavioral1/memory/1204-3-0x0000000000400000-0x00000000004A5000-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 1088 set thread context of 1204 1088 Scan docs.exe 24 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1088 Scan docs.exe 1204 Scan docs.exe 1204 Scan docs.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1088 Scan docs.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1204 Scan docs.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1088 wrote to memory of 1204 1088 Scan docs.exe 24 PID 1088 wrote to memory of 1204 1088 Scan docs.exe 24 PID 1088 wrote to memory of 1204 1088 Scan docs.exe 24 PID 1088 wrote to memory of 1204 1088 Scan docs.exe 24
Processes
-
C:\Users\Admin\AppData\Local\Temp\Scan docs.exe"C:\Users\Admin\AppData\Local\Temp\Scan docs.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Users\Admin\AppData\Local\Temp\Scan docs.exe"C:\Users\Admin\AppData\Local\Temp\Scan docs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1204
-