agenttesla | e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f

General

Target

e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe
Size

432KB
MD5

424a08839a7ff51bda293ad1dd9157a9
SHA1

dc664d7059bf1189bbea15452106e174f12ee7df
SHA256

e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f
SHA512

29847e172124240ef02e9567191f1dce6c82a7b4164d428ee5a4d73636e2c1d2481d52cc5574f31e868a16105e7d07a82100246624a3ed428e63720ceda518a0
SSDEEP

12288:QhH0iucMgeYKUJoR0laATYJPzMtzjP26GEcxC:QNdVAYRJk0LTMgtzD26Ks

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.dkspot.net/
Port:
21
Username:
[email protected]
Password:
A=,L40%,&[&7

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/404-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5036 set thread context of 404	5036	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe	91

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	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
404	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe
404	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	404	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
404	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 404	5036	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe	91
PID 5036 wrote to memory of 404	5036	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe	91
PID 5036 wrote to memory of 404	5036	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe	91
PID 5036 wrote to memory of 404	5036	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe	91
PID 5036 wrote to memory of 404	5036	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe	91
PID 5036 wrote to memory of 404	5036	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe	91
PID 5036 wrote to memory of 404	5036	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe	91
PID 5036 wrote to memory of 404	5036	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe

C:\Users\Admin\AppData\Local\Temp\e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe
"C:\Users\Admin\AppData\Local\Temp\e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5036
- C:\Users\Admin\AppData\Local\Temp\e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.exe
  "C:\Users\Admin\AppData\Local\Temp\e22765977cf0e9bbb934c09c7d6be2588fccb7284c4329ef9246bc871791bc3f.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:404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/404-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/404-20-0x0000000006680000-0x00000000066D0000-memory.dmp

Filesize
320KB

Download
memory/404-19-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/404-18-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/404-17-0x00000000062F0000-0x0000000006356000-memory.dmp

Filesize
408KB

Download
memory/404-16-0x0000000005920000-0x0000000005938000-memory.dmp

Filesize
96KB

Download
memory/404-15-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/404-13-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/5036-5-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/5036-9-0x00000000086B0000-0x000000000874C000-memory.dmp

Filesize
624KB

Download
memory/5036-10-0x0000000008800000-0x000000000885E000-memory.dmp

Filesize
376KB

Download
memory/5036-8-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/5036-14-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/5036-7-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/5036-6-0x0000000008380000-0x000000000838E000-memory.dmp

Filesize
56KB

Download
memory/5036-0-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/5036-4-0x00000000057C0000-0x00000000057CA000-memory.dmp

Filesize
40KB

Download
memory/5036-3-0x00000000057E0000-0x0000000005872000-memory.dmp

Filesize
584KB

Download
memory/5036-2-0x0000000005CB0000-0x0000000006254000-memory.dmp

Filesize
5.6MB

Download
memory/5036-1-0x0000000000D30000-0x0000000000DA2000-memory.dmp

Filesize
456KB

Download

Analysis

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