agenttesla | 5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557

General

Target

5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe
Size

724KB
MD5

8e55bf75f4c476a962dce1015f5ffcb6
SHA1

c4d98f982e78cd04cd075e4692b7e83a23f4f939
SHA256

5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557
SHA512

95256ac59e72c12ece1e662c43d4ed52c365e41be68852eaad6832c44ac9fb3f2474bfc832a57b55c185ef4cc2195ded4e174b660fbad577a6b27700fade0100
SSDEEP

12288:SDzWNjpkskxRDqaCgqaR5F6HkkoFK/iZ1PzHnHlbxd3PIdfq2VaVWswQhvi6sul7:SDzWNjpkskxRDqaCgqaR+tM9zHnHlbxU

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mahesh-ent.com
Port:
587
Username:
[email protected]
Password:
M@hesh3981
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. 5 IoCs

resource	yara_rule
behavioral1/memory/2696-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2696-21-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2696-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2696-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2696-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

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

resource	yara_rule
behavioral1/memory/2696-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2696-21-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2696-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2696-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2696-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

resource	yara_rule
behavioral1/memory/2696-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2696-21-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2696-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2696-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2696-13-0x0000000000400000-0x0000000000442000-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 5 IoCs

resource	yara_rule
behavioral1/memory/2696-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2696-21-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2696-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2696-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2696-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

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

resource	yara_rule
behavioral1/memory/2696-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2696-21-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2696-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2696-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2696-13-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

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

resource	yara_rule
behavioral1/memory/2696-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2696-21-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2696-19-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2696-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2696-13-0x0000000000400000-0x0000000000442000-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.

flow	ioc
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2084 set thread context of 2696	2084	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe	28

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2084	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe
2084	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe
2084	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe
2696	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe
2696	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2084	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe
Token: SeDebugPrivilege	2696	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2696	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2696	2084	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe	28
PID 2084 wrote to memory of 2696	2084	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe	28
PID 2084 wrote to memory of 2696	2084	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe	28
PID 2084 wrote to memory of 2696	2084	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe	28
PID 2084 wrote to memory of 2696	2084	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe	28
PID 2084 wrote to memory of 2696	2084	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe	28
PID 2084 wrote to memory of 2696	2084	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe	28
PID 2084 wrote to memory of 2696	2084	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe	28
PID 2084 wrote to memory of 2696	2084	5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe	28

C:\Users\Admin\AppData\Local\Temp\5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe
"C:\Users\Admin\AppData\Local\Temp\5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Users\Admin\AppData\Local\Temp\5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe
  "C:\Users\Admin\AppData\Local\Temp\5c1009bc821a697905465a8c104b90813332d5815a85b73cea23131b930db557.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2084-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/2084-1-0x0000000000A50000-0x0000000000B0C000-memory.dmp

Filesize
752KB

Download
memory/2084-2-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2084-3-0x0000000000700000-0x0000000000720000-memory.dmp

Filesize
128KB

Download
memory/2084-4-0x00000000008D0000-0x00000000008E0000-memory.dmp

Filesize
64KB

Download
memory/2084-5-0x00000000008E0000-0x00000000008F6000-memory.dmp

Filesize
88KB

Download
memory/2084-6-0x0000000005500000-0x0000000005584000-memory.dmp

Filesize
528KB

Download
memory/2084-23-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2696-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2696-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2696-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2696-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2696-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2696-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2696-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2696-22-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2696-24-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download
memory/2696-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2696-25-0x00000000745D0000-0x0000000074CBE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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