agenttesla | a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203

General

Target

a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe
Size

1.5MB
MD5

add9f3b243e1b69cc4ba4c336a1cb03a
SHA1

edfc85a5010db4c029d987df6df2bbafa9b0fcd6
SHA256

a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203
SHA512

c10d1a96b83eabb9c429abe21c54cb5c59d6f29a0263efb2ecb0c3e1c28d3ba9cb85cabc4b483cdb20e2cad57836f547e7a0538adfabb83be1917c75aa5c38b0
SSDEEP

24576:HXEo56LpdQD5tpywgrcZC6rJhgtkxPPAAPx2cAYDphEVvrss4PXtLIfzNmpLLGVz:cCPQnVvoLX8yLKrYWtjxX

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.tekserendustriyel.com
Port:
21
Username:
[email protected]
Password:
chuzy2024@

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. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2524-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2524-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2524-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2524-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2524-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2524-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2524-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2524-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2524-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2524-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2988-6-0x000000001AC40000-0x000000001ACD2000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2524-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2524-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2524-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2524-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2524-18-0x0000000000400000-0x0000000000440000-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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2524-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2524-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2524-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2524-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2524-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2524-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2524-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2524-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2524-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2524-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2524-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2524-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2524-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2524-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2524-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe

description	pid	process	target process
PID 2988 set thread context of 2524	2988	a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe	CasPol.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

CasPol.exe

pid process

2524 CasPol.exe
2524 CasPol.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

CasPol.exe

description pid process

Token: SeDebugPrivilege 2524 CasPol.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

CasPol.exe

pid process

2524 CasPol.exe

pid	process
2524	CasPol.exe
2524	CasPol.exe

description	pid	process
Token: SeDebugPrivilege	2524	CasPol.exe

pid	process
2524	CasPol.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe

description	pid	process	target process
PID 2988 wrote to memory of 2524	2988	a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe	CasPol.exe
PID 2988 wrote to memory of 2524	2988	a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe	CasPol.exe
PID 2988 wrote to memory of 2524	2988	a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe	CasPol.exe
PID 2988 wrote to memory of 2524	2988	a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe	CasPol.exe
PID 2988 wrote to memory of 2524	2988	a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe	CasPol.exe
PID 2988 wrote to memory of 2524	2988	a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe	CasPol.exe
PID 2988 wrote to memory of 2524	2988	a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe	CasPol.exe
PID 2988 wrote to memory of 2524	2988	a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe	CasPol.exe
PID 2988 wrote to memory of 2524	2988	a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe	CasPol.exe
PID 2988 wrote to memory of 2380	2988	a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe	WerFault.exe
PID 2988 wrote to memory of 2380	2988	a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe	WerFault.exe
PID 2988 wrote to memory of 2380	2988	a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe
"C:\Users\Admin\AppData\Local\Temp\a6f8570085437405d85d668fb6247a9ede83b7bd2005efbaf6c9fff62ea33203.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2988

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2524

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2988 -s 628
2⤵
PID:2380

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2524-21-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/2524-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2524-20-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2524-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2524-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2524-26-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2524-25-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/2524-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2524-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2524-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2524-22-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2524-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2988-6-0x000000001AC40000-0x000000001ACD2000-memory.dmp

Filesize
584KB

Download
memory/2988-3-0x000007FEF6020000-0x000007FEF6A0C000-memory.dmp

Filesize
9.9MB

Download
memory/2988-4-0x000007FEF6020000-0x000007FEF6A0C000-memory.dmp

Filesize
9.9MB

Download
memory/2988-0-0x000007FEF6023000-0x000007FEF6024000-memory.dmp

Filesize
4KB

Download
memory/2988-2-0x000007FEF6020000-0x000007FEF6A0C000-memory.dmp

Filesize
9.9MB

Download
memory/2988-23-0x000007FEF6023000-0x000007FEF6024000-memory.dmp

Filesize
4KB

Download
memory/2988-24-0x000007FEF6020000-0x000007FEF6A0C000-memory.dmp

Filesize
9.9MB

Download
memory/2988-1-0x0000000000240000-0x0000000000254000-memory.dmp

Filesize
80KB

Download
memory/2988-5-0x000007FEF6020000-0x000007FEF6A0C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads