agenttesla | 37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2

General

Target

37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
Size

715KB
MD5

454a619661e4d2505e3003e06e9da9f7
SHA1

41fe16d9df176730176486c631f9db9048692f22
SHA256

37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2
SHA512

c0f31aac14cd94682d3648c0faccb966566b1311d7678c5c1707e214d61a462dd8666211b6f1ee3d45db0dae0b9ebbb1e63069e6c63b6a2fd72deceaf20a2956
SSDEEP

12288:BiPiCzVYpjabepl80kXPFhZXqBXt0RvVACDN:EdpYyq7kXPFzXqBdcVbDN

Score

10^/10

agenttesla purelogs keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.imperialshipping.co.in
Port:
587
Username:
[email protected]
Password:
RpF!!f)5

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.imperialshipping.co.in
Port:
587
Username:
[email protected]
Password:
RpF!!f)5
Email To:
[email protected]

Signatures

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

Detect PureLogs payload 1 IoCs

resource	yara_rule
behavioral2/memory/1232-0-0x0000000000440000-0x00000000004F8000-memory.dmp	family_purelogs

PureLogs
PureLogs is an infostealer written in C#.
stealer purelogs
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

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-1-5-21-2013768333-4045878716-2922883000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Twnawta = "C:\\Users\\Admin\\AppData\\Roaming\\Twnawta.exe"	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.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
26	api.ipify.org
27	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1232 set thread context of 760	1232	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	91

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1232	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
1232	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
760	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
760	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1232	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
Token: SeDebugPrivilege	760	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 408	1232	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	90
PID 1232 wrote to memory of 408	1232	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	90
PID 1232 wrote to memory of 408	1232	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	90
PID 1232 wrote to memory of 760	1232	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	91
PID 1232 wrote to memory of 760	1232	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	91
PID 1232 wrote to memory of 760	1232	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	91
PID 1232 wrote to memory of 760	1232	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	91
PID 1232 wrote to memory of 760	1232	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	91
PID 1232 wrote to memory of 760	1232	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	91
PID 1232 wrote to memory of 760	1232	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	91
PID 1232 wrote to memory of 760	1232	37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe	91

C:\Users\Admin\AppData\Local\Temp\37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
"C:\Users\Admin\AppData\Local\Temp\37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
  C:\Users\Admin\AppData\Local\Temp\37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
  2⤵
  PID:408
- C:\Users\Admin\AppData\Local\Temp\37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
  C:\Users\Admin\AppData\Local\Temp\37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\37e3f1e9b099b6c47e51b9c065021f7b800da8d7ddd0fbdd346457ee11e3b8f2.exe.log

Filesize
927B

MD5
4a911455784f74e368a4c2c7876d76f4

SHA1
a1700a0849ffb4f26671eb76da2489946b821c34

SHA256
264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c

SHA512
4617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d

Download Submit
memory/760-12-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/760-21-0x00000000053F0000-0x0000000005400000-memory.dmp

Filesize
64KB

Download
memory/760-20-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/760-19-0x0000000006F20000-0x0000000006F2A000-memory.dmp

Filesize
40KB

Download
memory/760-18-0x0000000006F90000-0x0000000007022000-memory.dmp

Filesize
584KB

Download
memory/760-17-0x0000000006E50000-0x0000000006EEC000-memory.dmp

Filesize
624KB

Download
memory/760-16-0x0000000006D60000-0x0000000006DB0000-memory.dmp

Filesize
320KB

Download
memory/760-15-0x00000000055B0000-0x0000000005616000-memory.dmp

Filesize
408KB

Download
memory/760-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/760-14-0x00000000053F0000-0x0000000005400000-memory.dmp

Filesize
64KB

Download
memory/1232-5-0x0000000004F40000-0x0000000004F80000-memory.dmp

Filesize
256KB

Download
memory/1232-13-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/1232-7-0x0000000005610000-0x0000000005BB4000-memory.dmp

Filesize
5.6MB

Download
memory/1232-6-0x0000000004F80000-0x0000000004FCC000-memory.dmp

Filesize
304KB

Download
memory/1232-0-0x0000000000440000-0x00000000004F8000-memory.dmp

Filesize
736KB

Download
memory/1232-4-0x0000000004ED0000-0x0000000004F10000-memory.dmp

Filesize
256KB

Download
memory/1232-3-0x0000000005020000-0x0000000005030000-memory.dmp

Filesize
64KB

Download
memory/1232-2-0x0000000004E70000-0x0000000004ECA000-memory.dmp

Filesize
360KB

Download
memory/1232-1-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads