agenttesla | f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be

General

Target

f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe
Size

710KB
MD5

12dc409c54d94c800645c231e11d9b57
SHA1

4cb5e1f0bae251a3e4491f3c35c062d35ec65098
SHA256

f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be
SHA512

204301373bbeb71c444e72bd0fb4eb5e808e69973f87356e42ec11fe1a69574cca1d664795150fd468f5c34e3c8cd6c81041804f02f6dadc0cd456573d160e4a
SSDEEP

12288:pxN540uJgI/lMtljsEXgRN8ycCZvWHyxHcTTfWa8bvR+nRERkmzU5vzQKmZcl:pxN5buvdMtlIAgRthuyx8G9+GQvzQJK

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6479234125:AAGR9wD3O4QFw8tDpYUc9GT0Rx3fOS9zKv0/

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/3748-10-0x0000000000400000-0x0000000000440000-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/3748-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with SmartAssembly 1 IoCs

resource	yara_rule
behavioral2/memory/3660-6-0x0000000005940000-0x0000000005956000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

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

resource	yara_rule
behavioral2/memory/3748-10-0x0000000000400000-0x0000000000440000-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/3748-10-0x0000000000400000-0x0000000000440000-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/3748-10-0x0000000000400000-0x0000000000440000-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/3748-10-0x0000000000400000-0x0000000000440000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3660 set thread context of 3748	3660	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe	99

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3660	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe
3660	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe
3748	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe
3748	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3660	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe
Token: SeDebugPrivilege	3748	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3660 wrote to memory of 3172	3660	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe	98
PID 3660 wrote to memory of 3172	3660	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe	98
PID 3660 wrote to memory of 3172	3660	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe	98
PID 3660 wrote to memory of 3748	3660	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe	99
PID 3660 wrote to memory of 3748	3660	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe	99
PID 3660 wrote to memory of 3748	3660	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe	99
PID 3660 wrote to memory of 3748	3660	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe	99
PID 3660 wrote to memory of 3748	3660	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe	99
PID 3660 wrote to memory of 3748	3660	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe	99
PID 3660 wrote to memory of 3748	3660	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe	99
PID 3660 wrote to memory of 3748	3660	f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe	99

C:\Users\Admin\AppData\Local\Temp\f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe
"C:\Users\Admin\AppData\Local\Temp\f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3660
- C:\Users\Admin\AppData\Local\Temp\f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe
  "C:\Users\Admin\AppData\Local\Temp\f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe"
  2⤵
  PID:3172
- C:\Users\Admin\AppData\Local\Temp\f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe
  "C:\Users\Admin\AppData\Local\Temp\f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3748

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f7b10eb48e40c12e9f6b2ddea4399165abfad2bfb67da017aa31180b762138be.exe.log

Filesize
1KB

MD5
11eacbaf9bddbe05b02b6dc4cd9872ea

SHA1
6e57b21f23521bb174ff36b6e5c8d14924914e9e

SHA256
08e026372f53d74354b848cb6ef85b59a0612d67dd993fb77def1fa5355391f1

SHA512
99c057a53a0d69b093e359104dda834967e4132f76192e80e79512f465e6fca41325865eec92bca0f11ff4f00c98c185d2d183e56edee964377ea9d4a234961c

Download Submit
memory/3660-4-0x0000000005730000-0x000000000573A000-memory.dmp

Filesize
40KB

Download
memory/3660-1-0x0000000000C80000-0x0000000000D38000-memory.dmp

Filesize
736KB

Download
memory/3660-3-0x0000000005790000-0x0000000005822000-memory.dmp

Filesize
584KB

Download
memory/3660-0-0x0000000074E3E000-0x0000000074E3F000-memory.dmp

Filesize
4KB

Download
memory/3660-5-0x0000000074E30000-0x00000000755E0000-memory.dmp

Filesize
7.7MB

Download
memory/3660-6-0x0000000005940000-0x0000000005956000-memory.dmp

Filesize
88KB

Download
memory/3660-7-0x0000000005C50000-0x0000000005C66000-memory.dmp

Filesize
88KB

Download
memory/3660-8-0x0000000006DC0000-0x0000000006E42000-memory.dmp

Filesize
520KB

Download
memory/3660-2-0x0000000005CA0000-0x0000000006244000-memory.dmp

Filesize
5.6MB

Download
memory/3660-13-0x0000000074E30000-0x00000000755E0000-memory.dmp

Filesize
7.7MB

Download
memory/3660-9-0x0000000009400000-0x000000000949C000-memory.dmp

Filesize
624KB

Download
memory/3748-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3748-14-0x0000000074E30000-0x00000000755E0000-memory.dmp

Filesize
7.7MB

Download
memory/3748-15-0x00000000056F0000-0x0000000005756000-memory.dmp

Filesize
408KB

Download
memory/3748-16-0x0000000074E30000-0x00000000755E0000-memory.dmp

Filesize
7.7MB

Download
memory/3748-17-0x00000000063D0000-0x0000000006420000-memory.dmp

Filesize
320KB

Download
memory/3748-18-0x0000000074E30000-0x00000000755E0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing