agenttesla | e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726

General

Target

e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe
Size

346KB
MD5

d6ef5b4c4627dc06ababa7f1276edc79
SHA1

ad9e36b336501512587f2796b602c133bb4dde3c
SHA256

e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726
SHA512

3edd84fc850f375689ad16ed35db1c464d6658071ee1973f650382c745219d008198e0e94dc60871098f96ce9935b21979381eb789e88def3f6295165131c48d
SSDEEP

6144:nwdiUkUG5/Ob/HfQglA3+6fQ2pqlI9B7ReR7BDQ9TxK/yTf6qe1CzW8:8HkUG5/OjblY+oFql6B7RUQ9dK/yTf

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
Asaprocky11
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/3372-4-0x0000000000400000-0x0000000000440000-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/3372-4-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

resource	yara_rule
behavioral2/memory/3372-4-0x0000000000400000-0x0000000000440000-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 1 IoCs

resource	yara_rule
behavioral2/memory/3372-4-0x0000000000400000-0x0000000000440000-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/3372-4-0x0000000000400000-0x0000000000440000-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/3372-4-0x0000000000400000-0x0000000000440000-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.

flow	ioc
27	api.ipify.org
28	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1452 set thread context of 3372	1452	e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3372	e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe
3372	e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3372	e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3372	e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 3372	1452	e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe	86
PID 1452 wrote to memory of 3372	1452	e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe	86
PID 1452 wrote to memory of 3372	1452	e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe	86
PID 1452 wrote to memory of 3372	1452	e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe	86
PID 1452 wrote to memory of 3372	1452	e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe	86
PID 1452 wrote to memory of 3372	1452	e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe	86
PID 1452 wrote to memory of 3372	1452	e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe	86
PID 1452 wrote to memory of 3372	1452	e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe	86

C:\Users\Admin\AppData\Local\Temp\e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe
"C:\Users\Admin\AppData\Local\Temp\e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1452
- C:\Users\Admin\AppData\Local\Temp\e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe
  "C:\Users\Admin\AppData\Local\Temp\e1a7994ddfd57c0e0e5640720bab427afa0d0ca11f5b09d50b4fe8c9d030c726.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3372

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/1452-0-0x0000000000E70000-0x0000000000ECC000-memory.dmp

Filesize
368KB

Download
memory/1452-1-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/1452-2-0x00000000059C0000-0x00000000059D0000-memory.dmp

Filesize
64KB

Download
memory/1452-9-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/1452-3-0x00000000031B0000-0x00000000031B1000-memory.dmp

Filesize
4KB

Download
memory/3372-8-0x0000000005380000-0x00000000053E6000-memory.dmp

Filesize
408KB

Download
memory/3372-6-0x0000000005830000-0x0000000005DD4000-memory.dmp

Filesize
5.6MB

Download
memory/3372-7-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/3372-5-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3372-4-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3372-10-0x0000000006A10000-0x0000000006A60000-memory.dmp

Filesize
320KB

Download
memory/3372-11-0x0000000006B00000-0x0000000006B9C000-memory.dmp

Filesize
624KB

Download
memory/3372-12-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3372-13-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/3372-14-0x0000000006C40000-0x0000000006CD2000-memory.dmp

Filesize
584KB

Download
memory/3372-15-0x0000000006BC0000-0x0000000006BCA000-memory.dmp

Filesize
40KB

Download

Analysis

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