agenttesla | d6743c07232b66f82d80878dc9ae5b43e67ea6d68bb4bda22eca9bca90887d1c

General

Target

EX776534570643699755 pdf.exe
Size

673KB
MD5

c807619e765372c445ac017f698cb599
SHA1

f9e86104957700ee8b09c9d1608c12980de3e7d8
SHA256

d4619f2c2ee3ce4f61be21cc18a66a05dc704c21e4db962ffa376ab4e60508ef
SHA512

fc2ac83f3401e305a9676ad091e95ecf071f3f43f3356618152f1f9325cd63438ad88a4516903d98e3a21db9e7263212b567f188c4db2435eb1f81add2331e83
SSDEEP

12288:QRE+OaItl2/qi+e0pvblMB6FmQoEGmKbk:q3CiNEeQwmK

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5970985875:AAGxcS7riy4ZlEmFj2Z031AsUoRvment2iI/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EX776534570643699755 pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EX776534570643699755 pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EX776534570643699755 pdf.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
35	api.ipify.org
36	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1964 set thread context of 1488	1964	EX776534570643699755 pdf.exe	93

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1488	EX776534570643699755 pdf.exe
1488	EX776534570643699755 pdf.exe
1488	EX776534570643699755 pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1488	EX776534570643699755 pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1488	EX776534570643699755 pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 1488	1964	EX776534570643699755 pdf.exe	93
PID 1964 wrote to memory of 1488	1964	EX776534570643699755 pdf.exe	93
PID 1964 wrote to memory of 1488	1964	EX776534570643699755 pdf.exe	93
PID 1964 wrote to memory of 1488	1964	EX776534570643699755 pdf.exe	93
PID 1964 wrote to memory of 1488	1964	EX776534570643699755 pdf.exe	93
PID 1964 wrote to memory of 1488	1964	EX776534570643699755 pdf.exe	93
PID 1964 wrote to memory of 1488	1964	EX776534570643699755 pdf.exe	93
PID 1964 wrote to memory of 1488	1964	EX776534570643699755 pdf.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EX776534570643699755 pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	EX776534570643699755 pdf.exe

C:\Users\Admin\AppData\Local\Temp\EX776534570643699755 pdf.exe
"C:\Users\Admin\AppData\Local\Temp\EX776534570643699755 pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Users\Admin\AppData\Local\Temp\EX776534570643699755 pdf.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1488

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

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\EX776534570643699755 pdf.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
memory/1488-151-0x0000000005090000-0x00000000050A0000-memory.dmp

Filesize
64KB

Download
memory/1488-150-0x0000000005090000-0x00000000050A0000-memory.dmp

Filesize
64KB

Download
memory/1488-149-0x0000000005090000-0x00000000050A0000-memory.dmp

Filesize
64KB

Download
memory/1488-145-0x0000000006870000-0x00000000068C0000-memory.dmp

Filesize
320KB

Download
memory/1488-144-0x0000000005DC0000-0x0000000005E26000-memory.dmp

Filesize
408KB

Download
memory/1488-143-0x0000000005090000-0x00000000050A0000-memory.dmp

Filesize
64KB

Download
memory/1488-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1964-136-0x0000000005090000-0x000000000512C000-memory.dmp

Filesize
624KB

Download
memory/1964-139-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

Filesize
64KB

Download
memory/1964-138-0x0000000004FB0000-0x0000000004FBA000-memory.dmp

Filesize
40KB

Download
memory/1964-137-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

Filesize
64KB

Download
memory/1964-133-0x0000000000540000-0x00000000005EE000-memory.dmp

Filesize
696KB

Download
memory/1964-135-0x0000000004FF0000-0x0000000005082000-memory.dmp

Filesize
584KB

Download
memory/1964-134-0x0000000005500000-0x0000000005AA4000-memory.dmp

Filesize
5.6MB

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Analysis

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