agenttesla | 83d573213e17e5a7222b2824f08fdcff828c4575a0f7bf24bf7800c77e3ff4f7

General

Target

80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe
Size

457KB
MD5

28a035971a05543b5d089a5fbb4093da
SHA1

dff98a3bf2db10f7349af8d716cd5fcce288a026
SHA256

80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa
SHA512

9a22b5e01a788f0655507f5fc6c7eb9d013fc812fd5a96a5688112b4f6f364cec1bf14ca9687ab595cf654fc41150c52dbb8ee6ce52a4d1631afb2217aeb803c
SSDEEP

12288:WepTHjsJ1MNKeRWVmEG+j4qY1ZkrSLgy/:TTDsYYeRWIJ1ZC/y/

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1968500169:AAHyFfTHMojfg0XGRFraaMexoQIFtILzuxU/sendDocument

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/2640-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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
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-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2284 set thread context of 2640	2284	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe	93

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	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2640	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe
2640	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2640	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2640	2284	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe	93
PID 2284 wrote to memory of 2640	2284	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe	93
PID 2284 wrote to memory of 2640	2284	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe	93
PID 2284 wrote to memory of 2640	2284	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe	93
PID 2284 wrote to memory of 2640	2284	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe	93
PID 2284 wrote to memory of 2640	2284	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe	93
PID 2284 wrote to memory of 2640	2284	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe	93
PID 2284 wrote to memory of 2640	2284	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe

C:\Users\Admin\AppData\Local\Temp\80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe
"C:\Users\Admin\AppData\Local\Temp\80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Users\Admin\AppData\Local\Temp\80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe
  "C:\Users\Admin\AppData\Local\Temp\80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2640

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

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\80c7c965b9fa6731d6fde32a8a2f9c03cfb13f7ff3eb68360adab6acf32ea4aa.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2284-10-0x0000000006C40000-0x0000000006CA0000-memory.dmp

Filesize
384KB

Download
memory/2284-1-0x0000000000E50000-0x0000000000EC8000-memory.dmp

Filesize
480KB

Download
memory/2284-3-0x00000000058D0000-0x0000000005962000-memory.dmp

Filesize
584KB

Download
memory/2284-4-0x00000000058B0000-0x00000000058BA000-memory.dmp

Filesize
40KB

Download
memory/2284-5-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/2284-6-0x0000000007000000-0x000000000709C000-memory.dmp

Filesize
624KB

Download
memory/2284-7-0x0000000005C00000-0x0000000005C0E000-memory.dmp

Filesize
56KB

Download
memory/2284-8-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

Filesize
4KB

Download
memory/2284-9-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/2284-15-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/2284-2-0x0000000005DE0000-0x0000000006384000-memory.dmp

Filesize
5.6MB

Download
memory/2284-0-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

Filesize
4KB

Download
memory/2640-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2640-14-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/2640-16-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/2640-17-0x0000000005360000-0x0000000005378000-memory.dmp

Filesize
96KB

Download
memory/2640-18-0x0000000006000000-0x0000000006066000-memory.dmp

Filesize
408KB

Download
memory/2640-19-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/2640-20-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/2640-21-0x00000000028D0000-0x0000000002920000-memory.dmp

Filesize
320KB

Download
memory/2640-22-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/2640-23-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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