Analysis
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max time kernel
136s -
max time network
31s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
13/07/2020, 11:41
Static task
static1
Behavioral task
behavioral1
Sample
CONFIRMED ORDER#50184CC384Z81428-pdf.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
CONFIRMED ORDER#50184CC384Z81428-pdf.exe
Resource
win10
General
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Target
CONFIRMED ORDER#50184CC384Z81428-pdf.exe
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Size
715KB
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MD5
e1aa20d0dbe7c7c71bc2c1acc8e006a4
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SHA1
f2ed49e1c2de1a1539528432dbade5edf5f9c4c6
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SHA256
bb1eb4be1508cbc21eb2408f05af4094d5d076187e40aca4ce719cec6c3e1b88
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SHA512
31991d813b9da69d6e21fd7d71508244db7d22cc0dd355ae202203c7542048a95c6d32857ff4fcd7b3ba144fc14df654f3c7b0bff8b12da9ad8e4cec9a96fad7
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.samarasae.gr/ - Port:
21 - Username:
[email protected] - Password:
25pV8R}XC9=j
Protocol: ftp- Host:
ftp://ftp.samarasae.gr/ - Port:
21 - Username:
[email protected] - Password:
25pV8R}XC9=j
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
resource yara_rule behavioral1/memory/1872-5-0x00000000004470CE-mapping.dmp family_agenttesla behavioral1/memory/1872-7-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla behavioral1/memory/1872-8-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
pid Process 1872 RegAsm.exe -
Loads dropped DLL 2 IoCs
pid Process 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 1872 RegAsm.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
description pid Process procid_target PID 1032 set thread context of 1872 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 26 -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 1872 RegAsm.exe 1872 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe Token: SeDebugPrivilege 1872 RegAsm.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1032 wrote to memory of 1872 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 26 PID 1032 wrote to memory of 1872 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 26 PID 1032 wrote to memory of 1872 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 26 PID 1032 wrote to memory of 1872 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 26 PID 1032 wrote to memory of 1872 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 26 PID 1032 wrote to memory of 1872 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 26 PID 1032 wrote to memory of 1872 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 26 PID 1032 wrote to memory of 1872 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 26 PID 1032 wrote to memory of 1872 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 26 PID 1032 wrote to memory of 1872 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 26 PID 1032 wrote to memory of 1872 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 26 PID 1032 wrote to memory of 1872 1032 CONFIRMED ORDER#50184CC384Z81428-pdf.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\CONFIRMED ORDER#50184CC384Z81428-pdf.exe"C:\Users\Admin\AppData\Local\Temp\CONFIRMED ORDER#50184CC384Z81428-pdf.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1032 -
C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1872
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