Analysis
-
max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
15-05-2024 01:46
Static task
static1
Behavioral task
behavioral1
Sample
b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe
Resource
win7-20240215-en
General
-
Target
b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe
-
Size
4.3MB
-
MD5
7bdae307fc1ff1f771114c1d5a0ebef6
-
SHA1
e8178de766e4df45677155415d6425f5260da3c8
-
SHA256
b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b
-
SHA512
7ad744b879c570548c667e284c574bdaf38eb2cc7f649012f475e2c5b911a69ab0d9f8caa58940ee43c26777887b2984c130e583305aa5f3e5b6bc090e188fca
-
SSDEEP
24576:aDJW1P5u0ngg4Q/71W68A05k6+peVq99YvXk6XhMKMVEvZekbJqz6Y3+droBEC:
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.gencoldfire.com - Port:
587 - Username:
[email protected] - Password:
mh7B/7[hSO#bYHw1 - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Detect ZGRat V1 34 IoCs
Processes:
resource yara_rule behavioral1/memory/2952-2-0x0000000005E70000-0x00000000060A2000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-3-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-4-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-8-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-12-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-14-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-18-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-20-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-24-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-30-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-32-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-28-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-26-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-22-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-16-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-10-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-7-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-34-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-36-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-42-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-58-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-62-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-66-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-64-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-60-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-56-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-54-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-52-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-50-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-48-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-46-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-44-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-40-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 behavioral1/memory/2952-38-0x0000000005E70000-0x000000000609B000-memory.dmp family_zgrat_v1 -
Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1416-4901-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1416-4901-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1416-4901-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1416-4901-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID -
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1416-4901-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1416-4901-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1416-4901-0x0000000000400000-0x0000000000442000-memory.dmp INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
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.
-
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exedescription pid Process procid_target PID 2952 set thread context of 1416 2952 b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exepid Process 1416 b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe 1416 b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exeb84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exedescription pid Process Token: SeDebugPrivilege 2952 b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe Token: SeDebugPrivilege 2952 b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe Token: SeDebugPrivilege 1416 b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exedescription pid Process procid_target PID 2952 wrote to memory of 1416 2952 b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe 28 PID 2952 wrote to memory of 1416 2952 b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe 28 PID 2952 wrote to memory of 1416 2952 b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe 28 PID 2952 wrote to memory of 1416 2952 b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe 28 PID 2952 wrote to memory of 1416 2952 b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe 28 PID 2952 wrote to memory of 1416 2952 b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe 28 PID 2952 wrote to memory of 1416 2952 b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe 28 PID 2952 wrote to memory of 1416 2952 b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe 28 PID 2952 wrote to memory of 1416 2952 b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe"C:\Users\Admin\AppData\Local\Temp\b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2952 -
C:\Users\Admin\AppData\Local\Temp\b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe"C:\Users\Admin\AppData\Local\Temp\b84bcb0e09598b3c0cbe743f687e34b8a5126864048da504aa37406f0ffe1d5b.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1416
-