agenttesla | e993a3c9d5843541d742dfd2a0603004cb24431cc152e54042056f33ab1ac9e4

General

Target

swift copy 01429619.exe
Size

877KB
MD5

91cd93fba6b81b52a33be26725648ea3
SHA1

619c1adc65cc1e7c9cca4b7a9c38c471642512d8
SHA256

f96299e1c7579d62b11c5f2699e9a15bfe3d945b74c30e1bdf986c3ab60f23f1
SHA512

1021e380d49fac5166413b2821ff61ea0fa379448b6821328427b2645c8f4cd94780b6ff0ac5a61b2065f69ef680905136729a121f31ca5f525a1c653f50608d
SSDEEP

24576:Z3LpppNpppppoOQpppNpppppoOiuayAeUHe5vbZtNLS:ZqO7OiAAe1l

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail92100.maychuemail.com
Port:
587
Username:
[email protected]
Password:
Qwerty2020Hp##
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-1-5-21-1043950675-1972537973-2972532878-1000\Control Panel\International\Geo\Nation	swift copy 01429619.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-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	swift copy 01429619.exe
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	swift copy 01429619.exe
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	swift copy 01429619.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-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wSStSI = "C:\\Users\\Admin\\AppData\\Roaming\\wSStSI\\wSStSI.exe"	swift copy 01429619.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
41	api.ipify.org
42	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5048 set thread context of 1484	5048	swift copy 01429619.exe	93

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
2560	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
5048	swift copy 01429619.exe
5048	swift copy 01429619.exe
5048	swift copy 01429619.exe
1484	swift copy 01429619.exe
1484	swift copy 01429619.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5048	swift copy 01429619.exe
Token: SeDebugPrivilege	1484	swift copy 01429619.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 2560	5048	swift copy 01429619.exe	90
PID 5048 wrote to memory of 2560	5048	swift copy 01429619.exe	90
PID 5048 wrote to memory of 2560	5048	swift copy 01429619.exe	90
PID 5048 wrote to memory of 876	5048	swift copy 01429619.exe	92
PID 5048 wrote to memory of 876	5048	swift copy 01429619.exe	92
PID 5048 wrote to memory of 876	5048	swift copy 01429619.exe	92
PID 5048 wrote to memory of 1484	5048	swift copy 01429619.exe	93
PID 5048 wrote to memory of 1484	5048	swift copy 01429619.exe	93
PID 5048 wrote to memory of 1484	5048	swift copy 01429619.exe	93
PID 5048 wrote to memory of 1484	5048	swift copy 01429619.exe	93
PID 5048 wrote to memory of 1484	5048	swift copy 01429619.exe	93
PID 5048 wrote to memory of 1484	5048	swift copy 01429619.exe	93
PID 5048 wrote to memory of 1484	5048	swift copy 01429619.exe	93
PID 5048 wrote to memory of 1484	5048	swift copy 01429619.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	swift copy 01429619.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	swift copy 01429619.exe

C:\Users\Admin\AppData\Local\Temp\swift copy 01429619.exe
"C:\Users\Admin\AppData\Local\Temp\swift copy 01429619.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5048
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ihwIolZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC639.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2560
- C:\Users\Admin\AppData\Local\Temp\swift copy 01429619.exe
  "{path}"
  2⤵
  PID:876
- C:\Users\Admin\AppData\Local\Temp\swift copy 01429619.exe
  "{path}"
  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:1484

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\swift copy 01429619.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC639.tmp

Filesize
1KB

MD5
f7ff03a376a4151df9f5fe310a506ac3

SHA1
bfd9be82e361111539659c59f51378b070f5177e

SHA256
d3862bd1abac84c6f2eec47b04254010ae1be6dba8607a56d51d404d3b741b83

SHA512
eb2e8c58dba1be4065bd64a290ed74f31571c9fa4efa88adb02ec8c16c316a76e2baaddc1b101c623eaac19d69ce9f073ca79049241c642fd8d6c3cd08b4e42e

Download Submit
memory/1484-18-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/1484-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1484-23-0x00000000055A0000-0x00000000055B0000-memory.dmp

Filesize
64KB

Download
memory/1484-22-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1484-21-0x0000000006DF0000-0x0000000006E40000-memory.dmp

Filesize
320KB

Download
memory/1484-19-0x00000000054D0000-0x0000000005536000-memory.dmp

Filesize
408KB

Download
memory/1484-16-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-7-0x00000000051D0000-0x0000000005226000-memory.dmp

Filesize
344KB

Download
memory/5048-2-0x0000000004EC0000-0x0000000004F5C000-memory.dmp

Filesize
624KB

Download
memory/5048-9-0x0000000005160000-0x0000000005170000-memory.dmp

Filesize
64KB

Download
memory/5048-1-0x0000000000420000-0x0000000000502000-memory.dmp

Filesize
904KB

Download
memory/5048-17-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-8-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-0-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-3-0x0000000005520000-0x0000000005AC4000-memory.dmp

Filesize
5.6MB

Download
memory/5048-6-0x0000000004EB0000-0x0000000004EBA000-memory.dmp

Filesize
40KB

Download
memory/5048-5-0x0000000005160000-0x0000000005170000-memory.dmp

Filesize
64KB

Download
memory/5048-4-0x0000000004F70000-0x0000000005002000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads