agenttesla | 0cc8d93630b4068b0b72119c061925754274478463014d05696a34603f88eaf7

General

Target

Enquiry E0359977A-9122.exe
Size

288KB
MD5

86c3db80eaa437e32bc3534273c8482a
SHA1

7b80bab03acddf1fe65c088183736f1922ad556b
SHA256

0cc8d93630b4068b0b72119c061925754274478463014d05696a34603f88eaf7
SHA512

c66c0cfec2cc020e26e917e87da4262815604dee7789fc09cff12952412fa619b9a78970c68e487b23fa22b19737f1c80289f17cf229c4573bf39c1498f8bbf5
SSDEEP

6144:JYa68Xkr+X/z2VKZEf2KYg81OroHK6jkxwusUB85eg+x6:JYOkraCKEf2Kqk6YqdUB8s6

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
1124	Enquiry E0359977A-9122.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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry E0359977A-9122.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry E0359977A-9122.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry E0359977A-9122.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bktp = "C:\\Users\\Admin\\AppData\\Roaming\\yenwsclplueajs\\oxtdmirbwg.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\Enquiry E0359977A-9122.exe\""	Enquiry E0359977A-9122.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aCcAwFD = "C:\\Users\\Admin\\AppData\\Roaming\\aCcAwFD\\aCcAwFD.exe"	Enquiry E0359977A-9122.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
17	api.ipify.org
19	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1124 set thread context of 1280	1124	Enquiry E0359977A-9122.exe	84

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
1280	Enquiry E0359977A-9122.exe
1280	Enquiry E0359977A-9122.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1124	Enquiry E0359977A-9122.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1280	Enquiry E0359977A-9122.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 1280	1124	Enquiry E0359977A-9122.exe	84
PID 1124 wrote to memory of 1280	1124	Enquiry E0359977A-9122.exe	84
PID 1124 wrote to memory of 1280	1124	Enquiry E0359977A-9122.exe	84
PID 1124 wrote to memory of 1280	1124	Enquiry E0359977A-9122.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry E0359977A-9122.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry E0359977A-9122.exe

C:\Users\Admin\AppData\Local\Temp\Enquiry E0359977A-9122.exe
"C:\Users\Admin\AppData\Local\Temp\Enquiry E0359977A-9122.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Users\Admin\AppData\Local\Temp\Enquiry E0359977A-9122.exe
  "C:\Users\Admin\AppData\Local\Temp\Enquiry E0359977A-9122.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:1280

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\nstD057.tmp\bwwrusln.dll

Filesize
38KB

MD5
5362823a43b40b26ab8fd868c734a64f

SHA1
1a87bf3f970ba9a3a26c6438ef48e0dccae8ca80

SHA256
4731f659b5585ae5237c763671253f0e90c68766868e83e5d5f2b71d29b5f19e

SHA512
6a7d95b79c8b43bdae50c320d94f8a83e07d46f483de45090b9b1ed552b5aedd9770ebfa3280f78627a2b73610e20235fc02692fd32d90356bb95cfb707fabf1

Download Submit
memory/1280-140-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1280-141-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1280-142-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1280-143-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1280-144-0x0000000004A50000-0x0000000004A60000-memory.dmp

Filesize
64KB

Download
memory/1280-145-0x0000000004A50000-0x0000000004A60000-memory.dmp

Filesize
64KB

Download
memory/1280-146-0x0000000004A50000-0x0000000004A60000-memory.dmp

Filesize
64KB

Download
memory/1280-147-0x0000000004A60000-0x0000000005004000-memory.dmp

Filesize
5.6MB

Download
memory/1280-148-0x0000000004A50000-0x0000000004A60000-memory.dmp

Filesize
64KB

Download
memory/1280-149-0x00000000049D0000-0x0000000004A36000-memory.dmp

Filesize
408KB

Download
memory/1280-150-0x0000000005B70000-0x0000000005BC0000-memory.dmp

Filesize
320KB

Download
memory/1280-151-0x0000000005BE0000-0x0000000005DA2000-memory.dmp

Filesize
1.8MB

Download
memory/1280-152-0x0000000005DB0000-0x0000000005E42000-memory.dmp

Filesize
584KB

Download
memory/1280-153-0x0000000005FA0000-0x0000000005FAA000-memory.dmp

Filesize
40KB

Download
memory/1280-155-0x0000000004A50000-0x0000000004A60000-memory.dmp

Filesize
64KB

Download
memory/1280-156-0x0000000004A50000-0x0000000004A60000-memory.dmp

Filesize
64KB

Download
memory/1280-157-0x0000000004A50000-0x0000000004A60000-memory.dmp

Filesize
64KB

Download
memory/1280-158-0x0000000004A50000-0x0000000004A60000-memory.dmp

Filesize
64KB

Download

Analysis

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