agenttesla | 19e9e83de17d01983fe73b24b034831537e978652e6d6f0d70db6d48c72cb9c2

General

Target

bf1ed0009a578efe9b871d2ec60e51fb.exe
Size

293KB
MD5

bf1ed0009a578efe9b871d2ec60e51fb
SHA1

cbbcc5a4092baa832742f54f185ec21f49ca7c4c
SHA256

19e9e83de17d01983fe73b24b034831537e978652e6d6f0d70db6d48c72cb9c2
SHA512

152b8e182bf5174da92c8bc26dc615b2dc502cd4a9bed66e48813e93117a6f8a7cf4885acae6023be6ae4f6c75d303e86827d5b7265cfc49b336a6fcf52316d1
SSDEEP

6144:vYa6/VzpkfSz+zcHd6IZB+EpsMidjlEhl7jS+HcYgaH4xJIzZHAy9Y:vY1VzOSz+zcHd64UdpxlEPjSlJIzZHA3

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
3212	bf1ed0009a578efe9b871d2ec60e51fb.exe

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-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf1ed0009a578efe9b871d2ec60e51fb.exe
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf1ed0009a578efe9b871d2ec60e51fb.exe
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf1ed0009a578efe9b871d2ec60e51fb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ycdwx = "C:\\Users\\Admin\\AppData\\Roaming\\Ycdwx\\Ycdwx.exe"	bf1ed0009a578efe9b871d2ec60e51fb.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
29	api.ipify.org
28	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3212 set thread context of 772	3212	bf1ed0009a578efe9b871d2ec60e51fb.exe	86

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
772	bf1ed0009a578efe9b871d2ec60e51fb.exe
772	bf1ed0009a578efe9b871d2ec60e51fb.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3212	bf1ed0009a578efe9b871d2ec60e51fb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	772	bf1ed0009a578efe9b871d2ec60e51fb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 772	3212	bf1ed0009a578efe9b871d2ec60e51fb.exe	86
PID 3212 wrote to memory of 772	3212	bf1ed0009a578efe9b871d2ec60e51fb.exe	86
PID 3212 wrote to memory of 772	3212	bf1ed0009a578efe9b871d2ec60e51fb.exe	86
PID 3212 wrote to memory of 772	3212	bf1ed0009a578efe9b871d2ec60e51fb.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf1ed0009a578efe9b871d2ec60e51fb.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3011986978-2180659500-3669311805-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	bf1ed0009a578efe9b871d2ec60e51fb.exe

C:\Users\Admin\AppData\Local\Temp\bf1ed0009a578efe9b871d2ec60e51fb.exe
"C:\Users\Admin\AppData\Local\Temp\bf1ed0009a578efe9b871d2ec60e51fb.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3212
- C:\Users\Admin\AppData\Local\Temp\bf1ed0009a578efe9b871d2ec60e51fb.exe
  "C:\Users\Admin\AppData\Local\Temp\bf1ed0009a578efe9b871d2ec60e51fb.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

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\Temp\nsr7031.tmp\eeniovit.dll

Filesize
68KB

MD5
d95069a077ab9edd0c1a3d17cc24c7ba

SHA1
971c94089814bd33898088132197efe7f05315a1

SHA256
a37abbb4c91fc5f974f095736630cda418193b82caa1f4f75389bf855257c701

SHA512
13ec88054cea3081b0aaf0134d191a0a9bf484fc81ca96800a09835733c869f65d2c5e524471fb9a4e74b7a73b81cfe845fb4ab490c60c3a79254a371233614c

Download Submit
memory/772-146-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/772-152-0x0000000005F40000-0x0000000005FD2000-memory.dmp

Filesize
584KB

Download
memory/772-147-0x0000000004A30000-0x0000000004FD4000-memory.dmp

Filesize
5.6MB

Download
memory/772-143-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/772-148-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/772-144-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/772-145-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/772-149-0x0000000004FE0000-0x0000000005046000-memory.dmp

Filesize
408KB

Download
memory/772-141-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/772-156-0x0000000002580000-0x0000000002590000-memory.dmp

Filesize
64KB

Download
memory/772-154-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/772-150-0x0000000005D10000-0x0000000005D60000-memory.dmp

Filesize
320KB

Download
memory/772-151-0x0000000005D60000-0x0000000005F22000-memory.dmp

Filesize
1.8MB

Download
memory/772-140-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/772-153-0x0000000006060000-0x000000000606A000-memory.dmp

Filesize
40KB

Download
memory/3212-139-0x0000000074430000-0x0000000074446000-memory.dmp

Filesize
88KB

Download
memory/3212-142-0x0000000074430000-0x0000000074446000-memory.dmp

Filesize
88KB

Download

Analysis

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