agenttesla | 300d6c69c0e497397e6aef2d2a098fbea72d5f1589d5c55111c3bd35efb69193

General

Target

300d6c69c0e497397e6aef2d2a098fbea72d5f1589d5c55111c3bd35efb69193.exe
Size

2.5MB
MD5

32f0763bac0065d935eeb2d239cb53fc
SHA1

b894ebdec9d4bcda45ebb08ea9f718250883a2bb
SHA256

300d6c69c0e497397e6aef2d2a098fbea72d5f1589d5c55111c3bd35efb69193
SHA512

ff31a9814d61638fb1278215fdc7ceaa9d6c89dcef94634ef22a12b7db1d9896efa58c11c01f09818fc9b54d5e1e3552a65f2b770c283dfe180aada7756f620d
SSDEEP

49152:NXORMzDisxk6tAxnrrRF24hjZMIznhDp+HMKchyLFLFKx3HclBQbUtRfC4FrYct2:NXORMzAnrrRF24hjZMIznhDv7yLFLFKt

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1611823422:AAE2tV5jSK2FOUbFQRNzZUsuQBkBGzgEX5U/sendDocument

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/3280-2-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1940 set thread context of 3280	1940	300d6c69c0e497397e6aef2d2a098fbea72d5f1589d5c55111c3bd35efb69193.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	300d6c69c0e497397e6aef2d2a098fbea72d5f1589d5c55111c3bd35efb69193.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3280	MSBuild.exe
3280	MSBuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1940	300d6c69c0e497397e6aef2d2a098fbea72d5f1589d5c55111c3bd35efb69193.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3280	MSBuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3280	MSBuild.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 3280	1940	300d6c69c0e497397e6aef2d2a098fbea72d5f1589d5c55111c3bd35efb69193.exe	82
PID 1940 wrote to memory of 3280	1940	300d6c69c0e497397e6aef2d2a098fbea72d5f1589d5c55111c3bd35efb69193.exe	82
PID 1940 wrote to memory of 3280	1940	300d6c69c0e497397e6aef2d2a098fbea72d5f1589d5c55111c3bd35efb69193.exe	82
PID 1940 wrote to memory of 3280	1940	300d6c69c0e497397e6aef2d2a098fbea72d5f1589d5c55111c3bd35efb69193.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\300d6c69c0e497397e6aef2d2a098fbea72d5f1589d5c55111c3bd35efb69193.exe
"C:\Users\Admin\AppData\Local\Temp\300d6c69c0e497397e6aef2d2a098fbea72d5f1589d5c55111c3bd35efb69193.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\Users\Admin\AppData\Local\Temp\300d6c69c0e497397e6aef2d2a098fbea72d5f1589d5c55111c3bd35efb69193.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1940-3-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/1940-1-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/1940-0-0x000000000044B000-0x000000000044C000-memory.dmp

Filesize
4KB

Download
memory/3280-6-0x0000000074B60000-0x0000000075111000-memory.dmp

Filesize
5.7MB

Download
memory/3280-4-0x0000000074B62000-0x0000000074B63000-memory.dmp

Filesize
4KB

Download
memory/3280-5-0x0000000074B60000-0x0000000075111000-memory.dmp

Filesize
5.7MB

Download
memory/3280-2-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3280-7-0x0000000074B60000-0x0000000075111000-memory.dmp

Filesize
5.7MB

Download
memory/3280-8-0x0000000074B62000-0x0000000074B63000-memory.dmp

Filesize
4KB

Download
memory/3280-9-0x0000000074B60000-0x0000000075111000-memory.dmp

Filesize
5.7MB

Download
memory/3280-10-0x0000000074B60000-0x0000000075111000-memory.dmp

Filesize
5.7MB

Download
memory/3280-11-0x0000000074B60000-0x0000000075111000-memory.dmp

Filesize
5.7MB

Download
memory/3280-12-0x0000000074B60000-0x0000000075111000-memory.dmp

Filesize
5.7MB

Download

Analysis

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