agenttesla | fcbb5d4d6c4a961d1faf8ffd19547765cc67b6cb7d6ac05006ef651c55d66774

General

Target

july9c.exe
Size

933KB
MD5

7234d5d573d7f174982cdf15250fde86
SHA1

8a10dccdd03b70d1e35e9fb1d5c0aa4570b0c3d8
SHA256

fcbb5d4d6c4a961d1faf8ffd19547765cc67b6cb7d6ac05006ef651c55d66774
SHA512

cb0cde65ab26cd3c241381929e4bc45e93de7bab0e51d39bcadb941c0dced8fd43ed2d944d241ec6bad58928581ea02ad686d268ecc74b3cd6c789ed95ee2389

Score

10^/10

agenttesla keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
general1248

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral1/memory/1344-3-0x0000000000400000-0x00000000004A4000-memory.dmp	family_agenttesla
behavioral1/memory/1344-4-0x0000000000390000-0x00000000003DC000-memory.dmp	family_agenttesla
behavioral1/memory/1344-6-0x0000000000220000-0x0000000000266000-memory.dmp	family_agenttesla

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1344-0-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
behavioral1/memory/1344-2-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
behavioral1/memory/1344-3-0x0000000000400000-0x00000000004A4000-memory.dmp	upx

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 608 set thread context of 1344	608	july9c.exe	24

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
608	july9c.exe
1344	july9c.exe
1344	july9c.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
608	july9c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1344	july9c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 608 wrote to memory of 1344	608	july9c.exe	24
PID 608 wrote to memory of 1344	608	july9c.exe	24
PID 608 wrote to memory of 1344	608	july9c.exe	24
PID 608 wrote to memory of 1344	608	july9c.exe	24

C:\Users\Admin\AppData\Local\Temp\july9c.exe
"C:\Users\Admin\AppData\Local\Temp\july9c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:608
- C:\Users\Admin\AppData\Local\Temp\july9c.exe
  "C:\Users\Admin\AppData\Local\Temp\july9c.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1344

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1344-0-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/1344-2-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/1344-3-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/1344-4-0x0000000000390000-0x00000000003DC000-memory.dmp

Filesize
304KB

Download
memory/1344-5-0x0000000001F62000-0x0000000001F63000-memory.dmp

Filesize
4KB

Download
memory/1344-6-0x0000000000220000-0x0000000000266000-memory.dmp

Filesize
280KB

Download

Analysis

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