agenttesla | 33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99

General

Target

33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe
Size

1.1MB
MD5

345830556ac7704d8ba8bb4a378df217
SHA1

0c0a9bc709cdf151f4b5b782b419b5652840b40f
SHA256

33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99
SHA512

232a4210d895ec26fe698cd0d336f309cc9e44e19b6ed92c6f036a939663154c578c3f5ee7eb64129e4f33ea789b68ff94977f23f2003a5afee824662c163f79
SSDEEP

24576:wqM0sEMgtARQa91iTyooCFlxbGZ+87wY+if9fYGlG:wqlsEMgGQa91iTyiFx+z9fYYG

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.eaaa.gr
Port:
587
Username:
[email protected]
Password:
chania2821076172
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. 6 IoCs

resource	yara_rule
behavioral1/memory/876-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/876-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/876-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/876-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/876-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/876-22-0x0000000004B90000-0x0000000004BD0000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs

resource	yara_rule
behavioral1/memory/876-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/876-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/876-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/876-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/876-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/876-22-0x0000000004B90000-0x0000000004BD0000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs

resource	yara_rule
behavioral1/memory/876-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/876-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/876-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/876-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/876-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/876-22-0x0000000004B90000-0x0000000004BD0000-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 6 IoCs

resource	yara_rule
behavioral1/memory/876-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/876-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/876-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/876-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/876-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/876-22-0x0000000004B90000-0x0000000004BD0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs

resource	yara_rule
behavioral1/memory/876-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/876-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/876-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/876-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/876-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/876-22-0x0000000004B90000-0x0000000004BD0000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 6 IoCs

resource	yara_rule
behavioral1/memory/876-11-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/876-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/876-15-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/876-17-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/876-20-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/876-22-0x0000000004B90000-0x0000000004BD0000-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
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2236 set thread context of 876	2236	33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
876	33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe
876	33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	876	33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 876	2236	33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe	30
PID 2236 wrote to memory of 876	2236	33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe	30
PID 2236 wrote to memory of 876	2236	33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe	30
PID 2236 wrote to memory of 876	2236	33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe	30
PID 2236 wrote to memory of 876	2236	33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe	30
PID 2236 wrote to memory of 876	2236	33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe	30
PID 2236 wrote to memory of 876	2236	33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe	30
PID 2236 wrote to memory of 876	2236	33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe	30
PID 2236 wrote to memory of 876	2236	33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe	30

C:\Users\Admin\AppData\Local\Temp\33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe
"C:\Users\Admin\AppData\Local\Temp\33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Users\Admin\AppData\Local\Temp\33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe
  "C:\Users\Admin\AppData\Local\Temp\33ee6e3da72d9525bf52588ce45c2d95707066f89936b402d1e1d1e33d96ee99.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:876

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/876-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/876-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/876-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/876-23-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download
memory/876-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/876-21-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download
memory/876-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/876-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/876-24-0x0000000004B90000-0x0000000004BD0000-memory.dmp

Filesize
256KB

Download
memory/876-22-0x0000000004B90000-0x0000000004BD0000-memory.dmp

Filesize
256KB

Download
memory/876-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/876-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2236-6-0x00000000047D0000-0x0000000004854000-memory.dmp

Filesize
528KB

Download
memory/2236-1-0x0000000074ED0000-0x00000000755BE000-memory.dmp

Filesize
6.9MB

Download
memory/2236-18-0x0000000074ED0000-0x00000000755BE000-memory.dmp

Filesize
6.9MB

Download
memory/2236-0-0x0000000000980000-0x0000000000AA4000-memory.dmp

Filesize
1.1MB

Download
memory/2236-5-0x0000000000570000-0x000000000057E000-memory.dmp

Filesize
56KB

Download
memory/2236-4-0x0000000000560000-0x000000000056C000-memory.dmp

Filesize
48KB

Download
memory/2236-3-0x0000000000480000-0x0000000000496000-memory.dmp

Filesize
88KB

Download
memory/2236-2-0x0000000004880000-0x00000000048C0000-memory.dmp

Filesize
256KB

Download

Analysis

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