agenttesla | 3bd8e05a0c93d1a5b6b0fb855904f2b1c1ac52e8f78727a0b6045823a5bfd5c9

General

Target

4a9211a0d444f60e0d9ad26dce8c270b.exe
Size

1.1MB
MD5

4a9211a0d444f60e0d9ad26dce8c270b
SHA1

b90ae0e6b1a0303e41ab52544ba5a7f484a659ea
SHA256

3bd8e05a0c93d1a5b6b0fb855904f2b1c1ac52e8f78727a0b6045823a5bfd5c9
SHA512

733491734c8c0ab7254f2813dcd5d38046336a1999fa256db49a8ab4c1cffe2fa525d222ef0bc34896f9e10b9e085b6cef98f330308c139c227b271e61915e14
SSDEEP

24576:C5NjLCxr/d3FK64JARnhRsb+gMCduSGfieQr:CD+1K64JQRsbCCduSGHQr

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1573682282:AAEqJZjS75KdrM3hW3WnSL2zr2o3a3lESbk/sendDocument

Signatures

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

AgentTesla payload 6 IoCs

resource	yara_rule
behavioral1/memory/2612-27-0x00000000005A0000-0x00000000005E0000-memory.dmp	family_agenttesla
behavioral1/memory/2612-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2612-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2612-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2612-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2612-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral1/memory/824-3-0x00000000005B0000-0x00000000005C2000-memory.dmp	CustAttr

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4a9211a0d444f60e0d9ad26dce8c270b.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4a9211a0d444f60e0d9ad26dce8c270b.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4a9211a0d444f60e0d9ad26dce8c270b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 824 set thread context of 2612	824	4a9211a0d444f60e0d9ad26dce8c270b.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2292	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2612	4a9211a0d444f60e0d9ad26dce8c270b.exe
2612	4a9211a0d444f60e0d9ad26dce8c270b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2612	4a9211a0d444f60e0d9ad26dce8c270b.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 2292	824	4a9211a0d444f60e0d9ad26dce8c270b.exe	32
PID 824 wrote to memory of 2292	824	4a9211a0d444f60e0d9ad26dce8c270b.exe	32
PID 824 wrote to memory of 2292	824	4a9211a0d444f60e0d9ad26dce8c270b.exe	32
PID 824 wrote to memory of 2292	824	4a9211a0d444f60e0d9ad26dce8c270b.exe	32
PID 824 wrote to memory of 2612	824	4a9211a0d444f60e0d9ad26dce8c270b.exe	31
PID 824 wrote to memory of 2612	824	4a9211a0d444f60e0d9ad26dce8c270b.exe	31
PID 824 wrote to memory of 2612	824	4a9211a0d444f60e0d9ad26dce8c270b.exe	31
PID 824 wrote to memory of 2612	824	4a9211a0d444f60e0d9ad26dce8c270b.exe	31
PID 824 wrote to memory of 2612	824	4a9211a0d444f60e0d9ad26dce8c270b.exe	31
PID 824 wrote to memory of 2612	824	4a9211a0d444f60e0d9ad26dce8c270b.exe	31
PID 824 wrote to memory of 2612	824	4a9211a0d444f60e0d9ad26dce8c270b.exe	31
PID 824 wrote to memory of 2612	824	4a9211a0d444f60e0d9ad26dce8c270b.exe	31
PID 824 wrote to memory of 2612	824	4a9211a0d444f60e0d9ad26dce8c270b.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4a9211a0d444f60e0d9ad26dce8c270b.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4a9211a0d444f60e0d9ad26dce8c270b.exe

C:\Users\Admin\AppData\Local\Temp\4a9211a0d444f60e0d9ad26dce8c270b.exe
"C:\Users\Admin\AppData\Local\Temp\4a9211a0d444f60e0d9ad26dce8c270b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:824
- C:\Users\Admin\AppData\Local\Temp\4a9211a0d444f60e0d9ad26dce8c270b.exe
  "C:\Users\Admin\AppData\Local\Temp\4a9211a0d444f60e0d9ad26dce8c270b.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2612
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mVdnYsF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC716.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/824-0-0x0000000000060000-0x000000000017A000-memory.dmp

Filesize
1.1MB

Download
memory/824-1-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/824-2-0x0000000004810000-0x0000000004850000-memory.dmp

Filesize
256KB

Download
memory/824-3-0x00000000005B0000-0x00000000005C2000-memory.dmp

Filesize
72KB

Download
memory/824-4-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/824-5-0x0000000004810000-0x0000000004850000-memory.dmp

Filesize
256KB

Download
memory/824-6-0x0000000005320000-0x000000000539E000-memory.dmp

Filesize
504KB

Download
memory/824-7-0x0000000002120000-0x000000000215E000-memory.dmp

Filesize
248KB

Download
memory/824-25-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2612-27-0x00000000005A0000-0x00000000005E0000-memory.dmp

Filesize
256KB

Download
memory/2612-26-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2612-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2612-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2612-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2612-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2612-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2612-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2612-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2612-28-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2612-29-0x00000000005A0000-0x00000000005E0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads