agenttesla | 42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149

General

Target

42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe
Size

791KB
MD5

64d371aa778984786fb0368d5824a841
SHA1

7044fbd5634becff21be68f42546d529a5544ff2
SHA256

42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149
SHA512

7319d9a1428c889f3ff6cfe6346a88781bcd19e137d6a1d5b67f6bbeefb27a56a1094d506b22b544c0322ffafb08322b57319ccecc16fb488a33594a65729c93
SSDEEP

12288:FwTyVhpCNtWV4Z9GthGp0V2gbEPzyGT32hAwAFFnUSf5v61pH42FuFnW5M72j1/8:FK1ZqaK5bezy031FJxRs

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.officeemailbackup.com
Port:
587
Username:
[email protected]
Password:
d1IXFo$=lK[r

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.officeemailbackup.com
Port:
587
Username:
[email protected]
Password:
d1IXFo$=lK[r
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

Processes:

resource	yara_rule
behavioral2/memory/4488-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4488-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

Processes:

resource	yara_rule
behavioral2/memory/4488-10-0x0000000000400000-0x0000000000440000-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

Processes:

resource	yara_rule
behavioral2/memory/4488-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4488-10-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4488-10-0x0000000000400000-0x0000000000440000-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
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

28 api.ipify.org
29 api.ipify.org

flow	ioc
28	api.ipify.org
29	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe

description	pid	process	target process
PID 4472 set thread context of 4488	4472	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe

pid	process
4488	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe
4488	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe

description pid process

Token: SeDebugPrivilege 4488 42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe

pid process

4488 42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe

description	pid	process
Token: SeDebugPrivilege	4488	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe

description	pid	process	target process
PID 4472 wrote to memory of 4488	4472	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe
PID 4472 wrote to memory of 4488	4472	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe
PID 4472 wrote to memory of 4488	4472	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe
PID 4472 wrote to memory of 4488	4472	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe
PID 4472 wrote to memory of 4488	4472	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe
PID 4472 wrote to memory of 4488	4472	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe
PID 4472 wrote to memory of 4488	4472	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe
PID 4472 wrote to memory of 4488	4472	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe	42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe

C:\Users\Admin\AppData\Local\Temp\42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe
"C:\Users\Admin\AppData\Local\Temp\42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4472
- C:\Users\Admin\AppData\Local\Temp\42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe
  "C:\Users\Admin\AppData\Local\Temp\42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4488

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4472-8-0x0000000009710000-0x0000000009792000-memory.dmp

Filesize
520KB

Download
memory/4472-5-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/4472-9-0x0000000006B90000-0x0000000006C2C000-memory.dmp

Filesize
624KB

Download
memory/4472-4-0x0000000005370000-0x000000000537A000-memory.dmp

Filesize
40KB

Download
memory/4472-14-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/4472-6-0x0000000008110000-0x000000000812A000-memory.dmp

Filesize
104KB

Download
memory/4472-7-0x0000000008130000-0x0000000008140000-memory.dmp

Filesize
64KB

Download
memory/4472-1-0x0000000000E80000-0x0000000000F4C000-memory.dmp

Filesize
816KB

Download
memory/4472-3-0x0000000007E00000-0x0000000007E92000-memory.dmp

Filesize
584KB

Download
memory/4472-2-0x00000000082F0000-0x0000000008894000-memory.dmp

Filesize
5.6MB

Download
memory/4472-0-0x000000007492E000-0x000000007492F000-memory.dmp

Filesize
4KB

Download
memory/4488-13-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/4488-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4488-15-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download
memory/4488-16-0x00000000059B0000-0x0000000005A16000-memory.dmp

Filesize
408KB

Download
memory/4488-17-0x0000000007080000-0x00000000070D0000-memory.dmp

Filesize
320KB

Download
memory/4488-18-0x0000000074920000-0x00000000750D0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads