agenttesla | 2985214c0fbae1739d06009de458f7c2c1b38d4057f9a841e00922abe2c55103

General

Target

BANK COPY.exe
Size

549KB
MD5

cc9408eff115ec6b750c751d1fc1093f
SHA1

559f96055dafaa4e46e0b594a5b748687dabbe8c
SHA256

2985214c0fbae1739d06009de458f7c2c1b38d4057f9a841e00922abe2c55103
SHA512

5aab5ad46b687930d17895fe44522b3930f2798c87af59c54b0587ec51fe73788027e82c3d81ed87ce7ab7db37d36bf1ab9cbbe56ba7ec4f699a3efec6fa99e6
SSDEEP

12288:EPsCaf/JbuqHHuE1dS68Fd58sDlN/q/afcJetqd6kuPjaz:uaf/J5uIS6818sLaCYd07az

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
kV$bSqJ1 daniel
Email To:
[email protected]

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Control Panel\International\Geo\Nation	BANK COPY.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
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK COPY.exe
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK COPY.exe
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK COPY.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe"	BANK COPY.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
46	api.ipify.org
45	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3396 set thread context of 2828	3396	BANK COPY.exe	92

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3396	BANK COPY.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3396	BANK COPY.exe
Token: SeDebugPrivilege	2828	BANK COPY.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 4840	3396	BANK COPY.exe	90
PID 3396 wrote to memory of 4840	3396	BANK COPY.exe	90
PID 3396 wrote to memory of 4840	3396	BANK COPY.exe	90
PID 3396 wrote to memory of 2828	3396	BANK COPY.exe	92
PID 3396 wrote to memory of 2828	3396	BANK COPY.exe	92
PID 3396 wrote to memory of 2828	3396	BANK COPY.exe	92
PID 3396 wrote to memory of 2828	3396	BANK COPY.exe	92
PID 3396 wrote to memory of 2828	3396	BANK COPY.exe	92
PID 3396 wrote to memory of 2828	3396	BANK COPY.exe	92
PID 3396 wrote to memory of 2828	3396	BANK COPY.exe	92
PID 3396 wrote to memory of 2828	3396	BANK COPY.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK COPY.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	BANK COPY.exe

C:\Users\Admin\AppData\Local\Temp\BANK COPY.exe
"C:\Users\Admin\AppData\Local\Temp\BANK COPY.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IDzJoA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2F34.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4840
- C:\Users\Admin\AppData\Local\Temp\BANK COPY.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\BANK COPY.exe.log

Filesize
1KB

MD5
16de2b30353afd5b2cd2ef8072a4819d

SHA1
8401f54747dfc992cef675285f5627a377ecafb2

SHA256
2b2649bbc9fa465878ffbf51e2192e7aff94d17e5f232d77d937bf5026a9bf1b

SHA512
2d09aa8af628500ee50a8c89aa38d2a096cb046570a2ca7fad1f3596b0a49a9224439b1ed659191e5dd79c5aa70e3c693fb4437c75475fa54ec505c62d3dd598

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2F34.tmp

Filesize
1KB

MD5
bb553d63e62f94687a52f0c1e6778d9d

SHA1
2dd205db3d74a3108624c69b935cacfb82d0ee47

SHA256
2c021ba8c230107a88101ff8735d9a34dacccebf63be785007fe0c2d1992b4a7

SHA512
0b2cc99b0ab8713fc7c2c9f272e871b4159f125ee790542bf174dee365890b30e9817ba57528177f87d3896d7548bd6da969f06a6e75d9bb421fde51faf6fbae

Download Submit
memory/2828-18-0x0000000004D20000-0x0000000004D30000-memory.dmp

Filesize
64KB

Download
memory/2828-13-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2828-24-0x0000000004D20000-0x0000000004D30000-memory.dmp

Filesize
64KB

Download
memory/2828-23-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/2828-22-0x0000000006CC0000-0x0000000006E82000-memory.dmp

Filesize
1.8MB

Download
memory/2828-21-0x0000000006AA0000-0x0000000006AF0000-memory.dmp

Filesize
320KB

Download
memory/2828-19-0x0000000004E50000-0x0000000004EB6000-memory.dmp

Filesize
408KB

Download
memory/2828-16-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/3396-7-0x0000000005360000-0x00000000053B6000-memory.dmp

Filesize
344KB

Download
memory/3396-2-0x00000000055D0000-0x0000000005B74000-memory.dmp

Filesize
5.6MB

Download
memory/3396-1-0x0000000000560000-0x00000000005F0000-memory.dmp

Filesize
576KB

Download
memory/3396-9-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/3396-17-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/3396-0-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/3396-8-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/3396-3-0x0000000005020000-0x00000000050B2000-memory.dmp

Filesize
584KB

Download
memory/3396-6-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

Filesize
40KB

Download
memory/3396-5-0x00000000051A0000-0x00000000051B0000-memory.dmp

Filesize
64KB

Download
memory/3396-4-0x00000000050C0000-0x000000000515C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads