agenttesla | f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c

General

Target

f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
Size

645KB
MD5

949ebdc21945246ac2ad1fc10802f102
SHA1

6e1a52f3dfd76fb2f233ce96dc0404678d2d0059
SHA256

f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c
SHA512

479e9493102fdbd163a8aac0c5dce421a0290956d1f08df3fac00d258d593821ac3a279f8b9e93d8b7d321a6645205426b744a4ddecd4634572d84b9e444ba99
SSDEEP

12288:JS4CMwbmLrlIz+jo3sbGwUuveksc4RojOUiPmW1/uXZZTrtdiA3HqoQc1ay7:JSOrW93sbGkWc4ajzTZZCA3qoQ

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.flying-fish-cn.com
Port:
587
Username:
office@flying-fish-cn.com
Password:
hkk999@@@
Email To:
office@flying-fish-cn.com

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/2652-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2652-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2652-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2652-19-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2652-17-0x0000000000400000-0x0000000000440000-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/2652-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2652-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2652-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2652-19-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2652-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1964-4-0x00000000004B0000-0x00000000004BC000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

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

Processes:

resource	yara_rule
behavioral1/memory/2652-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2652-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2652-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2652-19-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2652-17-0x0000000000400000-0x0000000000440000-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/2652-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2652-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2652-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2652-19-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2652-17-0x0000000000400000-0x0000000000440000-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/2652-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2652-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2652-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2652-19-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2652-17-0x0000000000400000-0x0000000000440000-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/2652-11-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2652-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2652-15-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2652-19-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2652-17-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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:

f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe

description	pid	process	target process
PID 1964 set thread context of 2652	1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exef6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe

pid	process
1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
2652	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
2652	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exef6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe

description	pid	process
Token: SeDebugPrivilege	1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
Token: SeDebugPrivilege	2652	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe

description	pid	process	target process
PID 1964 wrote to memory of 2640	1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
PID 1964 wrote to memory of 2640	1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
PID 1964 wrote to memory of 2640	1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
PID 1964 wrote to memory of 2640	1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
PID 1964 wrote to memory of 2652	1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
PID 1964 wrote to memory of 2652	1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
PID 1964 wrote to memory of 2652	1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
PID 1964 wrote to memory of 2652	1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
PID 1964 wrote to memory of 2652	1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
PID 1964 wrote to memory of 2652	1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
PID 1964 wrote to memory of 2652	1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
PID 1964 wrote to memory of 2652	1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
PID 1964 wrote to memory of 2652	1964	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe	f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe

C:\Users\Admin\AppData\Local\Temp\f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
"C:\Users\Admin\AppData\Local\Temp\f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964

C:\Users\Admin\AppData\Local\Temp\f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
"C:\Users\Admin\AppData\Local\Temp\f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe"
2⤵
PID:2640

C:\Users\Admin\AppData\Local\Temp\f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe
"C:\Users\Admin\AppData\Local\Temp\f6386e0d3724eb32912521c957a1108862892dcf473f5ab73cbbbaaf29955e9c.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2652

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1964-20-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/1964-1-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/1964-2-0x0000000001EA0000-0x0000000001EE0000-memory.dmp

Filesize
256KB

Download
memory/1964-3-0x0000000000480000-0x0000000000492000-memory.dmp

Filesize
72KB

Download
memory/1964-4-0x00000000004B0000-0x00000000004BC000-memory.dmp

Filesize
48KB

Download
memory/1964-5-0x00000000052F0000-0x0000000005372000-memory.dmp

Filesize
520KB

Download
memory/1964-6-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/1964-7-0x0000000001EA0000-0x0000000001EE0000-memory.dmp

Filesize
256KB

Download
memory/1964-0-0x0000000000130000-0x00000000001D8000-memory.dmp

Filesize
672KB

Download
memory/2652-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2652-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2652-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2652-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2652-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2652-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2652-21-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/2652-22-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads