agenttesla | d34512e149774ba06eb46d4678af8b8a6995fa019bc9bc352687d11915646837

Analysis

max time kernel
51s
max time network
52s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
12/06/2024, 02:20

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General

Target
d34512e149774ba06eb46d4678af8b8a6995fa019bc9bc352687d11915646837.vbe
Size 1.2MB
Sample240612-csdrjayfjl
SHA256 d34512e149774ba06eb46d4678af8b8a6995fa019bc9bc352687d11915646837
MD5 d69c9b286370b62f92c918391b634a58
SHA1 cc1655427efdee76bcd035e4e49facdfc507428d
SHA512 880a3d297dea7c682e860c430fb07dab87a13620fb8d5572bef06b091f41524ab0d2dab334ca4b747913cca11f8f093626fd1097d302e3276d98517b1c81543e
SSDEEP 24576:ug8OekVBbj2Y9UHmZiJHtf2BqH6H/DyHqYbqG5LerJ2cVPX2JlxrM8CW:TFVBHRzExtD6/6Zk0J3rMw
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.cash4cars.nz
Port
587
Username
[email protected]
Password
logs2024!
Email to
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral2/memory/2304-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

resource	yara_rule
behavioral2/memory/2304-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

resource	yara_rule
behavioral2/memory/2304-13-0x0000000000400000-0x0000000000442000-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

resource	yara_rule
behavioral2/memory/2304-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/2304-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/2304-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 1 IoCs

pid	Process
4264	x.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4264 set thread context of 2304	4264	x.exe	89

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4264	x.exe
4264	x.exe
4264	x.exe
4264	x.exe
2304	Caspol.exe
2304	Caspol.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4264	x.exe
Token: SeDebugPrivilege	2304	Caspol.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 4264	1124	WScript.exe	82
PID 1124 wrote to memory of 4264	1124	WScript.exe	82
PID 1124 wrote to memory of 4264	1124	WScript.exe	82
PID 4264 wrote to memory of 3972	4264	x.exe	87
PID 4264 wrote to memory of 3972	4264	x.exe	87
PID 4264 wrote to memory of 3972	4264	x.exe	87
PID 4264 wrote to memory of 2036	4264	x.exe	88
PID 4264 wrote to memory of 2036	4264	x.exe	88
PID 4264 wrote to memory of 2036	4264	x.exe	88
PID 4264 wrote to memory of 2304	4264	x.exe	89
PID 4264 wrote to memory of 2304	4264	x.exe	89
PID 4264 wrote to memory of 2304	4264	x.exe	89
PID 4264 wrote to memory of 2304	4264	x.exe	89
PID 4264 wrote to memory of 2304	4264	x.exe	89
PID 4264 wrote to memory of 2304	4264	x.exe	89
PID 4264 wrote to memory of 2304	4264	x.exe	89
PID 4264 wrote to memory of 2304	4264	x.exe	89

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\d34512e149774ba06eb46d4678af8b8a6995fa019bc9bc352687d11915646837.vbe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Users\Admin\AppData\Local\Temp\x.exe
  "C:\Users\Admin\AppData\Local\Temp\x.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4264
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
    3⤵
    PID:3972
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
    3⤵
    PID:2036
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

x.exe

Path C:\Users\Admin\AppData\Local\Temp\x.exe
Size 922KB
SHA256 9b2071e0c54d09643e5d6bcaff25e747f2461ea0b1b062753a137489b7596d84
MD5 b00a0fe1481355a44e42eb0c8df8535a
SHA1 a564004203522c9f78334d5442fcfd11e1e292ce
SHA512 4697ca800e7eac2c07ea16800eb73170aebfc2898eb1002e9867dea746abd5fba7bbfdc1ab1c9575fd59c46f29d5f594c74599a7397c32b89c58bd6bf07a13dc
SSDEEP 24576:cff4UZFgC33qT31SdSjy7YLRsOTLwQfGh:cH4U/m3UEjClewQ
MD5 SHA1 SHA512 SSDEEP

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memory/2304-17-0x0000000074670000-0x0000000074E20000-memory.dmp

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memory/2304-13-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2304-15-0x0000000074670000-0x0000000074E20000-memory.dmp

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memory/2304-16-0x0000000005950000-0x0000000005EF4000-memory.dmp

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memory/2304-18-0x00000000052A0000-0x0000000005306000-memory.dmp

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memory/2304-19-0x0000000006800000-0x0000000006850000-memory.dmp

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memory/2304-20-0x00000000068F0000-0x000000000698C000-memory.dmp

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memory/2304-21-0x0000000074670000-0x0000000074E20000-memory.dmp

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memory/2304-22-0x0000000006A30000-0x0000000006AC2000-memory.dmp

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memory/2304-23-0x0000000006990000-0x000000000699A000-memory.dmp

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memory/4264-12-0x0000000000CD0000-0x0000000000DBE000-memory.dmp

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memory/4264-11-0x000000007467E000-0x000000007467F000-memory.dmp

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