agenttesla | 149e5bfb4a5b094cbf9ace6afff4b288d35a14ee8691a607d1b94752b97d4710

General

Target

4c2144b8a3ccbfcfa70ad01055325972.exe
Size

906KB
MD5

4c2144b8a3ccbfcfa70ad01055325972
SHA1

6c77beccfcc586d88694819b98e5cd269da744d3
SHA256

149e5bfb4a5b094cbf9ace6afff4b288d35a14ee8691a607d1b94752b97d4710
SHA512

01fce95f9e6cf783bbd95163937d5b536c111e94eb2efd3cc058a9d38d652bb0157f3710e744d4b0787dab1ff95544f7aa8fdeb2d7c9d415dfcfe5098e24cc93
SSDEEP

12288:UiDc9F3nC0Py3gAhDINy2zlrh3zw0zdGhcpLl6kjz9JeXFrrUj6sM5HgR:UngEr1LdZ1jz9MXhdsM5Hg

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.vector-kl.com
Port:
587
Username:
[email protected]
Password:
VickyVectorKL202)
Email To:
[email protected]

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1684-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	4c2144b8a3ccbfcfa70ad01055325972.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-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4c2144b8a3ccbfcfa70ad01055325972.exe
Key opened	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4c2144b8a3ccbfcfa70ad01055325972.exe
Key opened	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4c2144b8a3ccbfcfa70ad01055325972.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3964 set thread context of 1684	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	104

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
4660	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3964	4c2144b8a3ccbfcfa70ad01055325972.exe
3964	4c2144b8a3ccbfcfa70ad01055325972.exe
3964	4c2144b8a3ccbfcfa70ad01055325972.exe
3964	4c2144b8a3ccbfcfa70ad01055325972.exe
3964	4c2144b8a3ccbfcfa70ad01055325972.exe
1684	4c2144b8a3ccbfcfa70ad01055325972.exe
1684	4c2144b8a3ccbfcfa70ad01055325972.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3964	4c2144b8a3ccbfcfa70ad01055325972.exe
Token: SeDebugPrivilege	1684	4c2144b8a3ccbfcfa70ad01055325972.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1684	4c2144b8a3ccbfcfa70ad01055325972.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3964 wrote to memory of 4660	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	100
PID 3964 wrote to memory of 4660	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	100
PID 3964 wrote to memory of 4660	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	100
PID 3964 wrote to memory of 4896	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	102
PID 3964 wrote to memory of 4896	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	102
PID 3964 wrote to memory of 4896	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	102
PID 3964 wrote to memory of 2432	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	103
PID 3964 wrote to memory of 2432	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	103
PID 3964 wrote to memory of 2432	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	103
PID 3964 wrote to memory of 1684	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	104
PID 3964 wrote to memory of 1684	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	104
PID 3964 wrote to memory of 1684	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	104
PID 3964 wrote to memory of 1684	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	104
PID 3964 wrote to memory of 1684	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	104
PID 3964 wrote to memory of 1684	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	104
PID 3964 wrote to memory of 1684	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	104
PID 3964 wrote to memory of 1684	3964	4c2144b8a3ccbfcfa70ad01055325972.exe	104

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4c2144b8a3ccbfcfa70ad01055325972.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4c2144b8a3ccbfcfa70ad01055325972.exe

C:\Users\Admin\AppData\Local\Temp\4c2144b8a3ccbfcfa70ad01055325972.exe
"C:\Users\Admin\AppData\Local\Temp\4c2144b8a3ccbfcfa70ad01055325972.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3964
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DnxRlAXzQJuuBn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD997.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4660
- C:\Users\Admin\AppData\Local\Temp\4c2144b8a3ccbfcfa70ad01055325972.exe
  "C:\Users\Admin\AppData\Local\Temp\4c2144b8a3ccbfcfa70ad01055325972.exe"
  2⤵
  PID:4896
- C:\Users\Admin\AppData\Local\Temp\4c2144b8a3ccbfcfa70ad01055325972.exe
  "C:\Users\Admin\AppData\Local\Temp\4c2144b8a3ccbfcfa70ad01055325972.exe"
  2⤵
  PID:2432
- C:\Users\Admin\AppData\Local\Temp\4c2144b8a3ccbfcfa70ad01055325972.exe
  "C:\Users\Admin\AppData\Local\Temp\4c2144b8a3ccbfcfa70ad01055325972.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

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\4c2144b8a3ccbfcfa70ad01055325972.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD997.tmp

Filesize
1KB

MD5
1cd4065642245ab67ee5c38a2bc8979c

SHA1
268fcfdb31003d386b2bcc19d7779a4f13041c90

SHA256
c1af9acf70cef8d901741d6e085c5abe310125b7dc031ab93a7741bb04b48a27

SHA512
ee3013b21fefdefcb32c302fb064071f0d7c38dd7f2d29bb8029fa6292a04c093c971c1035281a7ad64c163d8679c99ccfda6166eec2e1fe239fea4c77c5bec7

Download Submit
memory/1684-27-0x0000000005F20000-0x0000000005F70000-memory.dmp

Filesize
320KB

Download
memory/1684-26-0x0000000004FF0000-0x0000000005000000-memory.dmp

Filesize
64KB

Download
memory/1684-25-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1684-24-0x00000000052B0000-0x0000000005316000-memory.dmp

Filesize
408KB

Download
memory/1684-23-0x0000000005060000-0x0000000005078000-memory.dmp

Filesize
96KB

Download
memory/1684-22-0x0000000004FF0000-0x0000000005000000-memory.dmp

Filesize
64KB

Download
memory/1684-21-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1684-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3964-10-0x0000000005FF0000-0x00000000060A6000-memory.dmp

Filesize
728KB

Download
memory/3964-11-0x00000000087A0000-0x00000000087F0000-memory.dmp

Filesize
320KB

Download
memory/3964-1-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/3964-9-0x0000000005180000-0x0000000005190000-memory.dmp

Filesize
64KB

Download
memory/3964-8-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/3964-20-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/3964-5-0x0000000005260000-0x000000000526A000-memory.dmp

Filesize
40KB

Download
memory/3964-7-0x0000000005490000-0x00000000054A8000-memory.dmp

Filesize
96KB

Download
memory/3964-6-0x0000000005520000-0x00000000055BC000-memory.dmp

Filesize
624KB

Download
memory/3964-4-0x0000000005180000-0x0000000005190000-memory.dmp

Filesize
64KB

Download
memory/3964-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

Filesize
5.6MB

Download
memory/3964-3-0x0000000005190000-0x0000000005222000-memory.dmp

Filesize
584KB

Download
memory/3964-0-0x00000000006C0000-0x00000000007AA000-memory.dmp

Filesize
936KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads