agenttesla | 4297690127d31446f04165718f266fa96ab7e349b3f54209865b9cf9de611db0

Analysis

max time kernel
142s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2023 01:19

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General

Target

a35a34ff770aabda07c6820d69d7f941b8b866d2b60fde248bb5f949c43831dd.exe
Size

293KB
MD5

50ed78b1eb11b242ed2a305d34b000cb
SHA1

7d2c0633172ee778d80fce4122b75697587880bf
SHA256

a35a34ff770aabda07c6820d69d7f941b8b866d2b60fde248bb5f949c43831dd
SHA512

e794b64ba557eab3bf3d577280f5e6b0ecbee3499c66919e88815b7e2e4d8dcb06a31dfb1c14a02da76606deeab9901473af248684c52259cce58bf53ed96942
SSDEEP

6144:p7zNGwdtSU33enO2663SMObh7rNYqBbrXSCi4BB7e7Sx0DeDOi/S:p7zNGwDSU+nOhbn7pbrXPi4BB2BDfia

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sirisexpress.com
Port:
587
Username:
[email protected]
Password:
SirisEmails@123
Email To:
[email protected]

Signatures

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

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-1-5-21-3195054982-4292022746-1467505928-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ojrwnfblj = "C:\\Users\\Admin\\AppData\\Roaming\\Ojrwnfblj.exe"	a35a34ff770aabda07c6820d69d7f941b8b866d2b60fde248bb5f949c43831dd.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
28	api.ipify.org
27	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2244 set thread context of 4768	2244	a35a34ff770aabda07c6820d69d7f941b8b866d2b60fde248bb5f949c43831dd.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4768	MSBuild.exe
4768	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2244	a35a34ff770aabda07c6820d69d7f941b8b866d2b60fde248bb5f949c43831dd.exe
Token: SeDebugPrivilege	4768	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 4768	2244	a35a34ff770aabda07c6820d69d7f941b8b866d2b60fde248bb5f949c43831dd.exe	91
PID 2244 wrote to memory of 4768	2244	a35a34ff770aabda07c6820d69d7f941b8b866d2b60fde248bb5f949c43831dd.exe	91
PID 2244 wrote to memory of 4768	2244	a35a34ff770aabda07c6820d69d7f941b8b866d2b60fde248bb5f949c43831dd.exe	91
PID 2244 wrote to memory of 4768	2244	a35a34ff770aabda07c6820d69d7f941b8b866d2b60fde248bb5f949c43831dd.exe	91
PID 2244 wrote to memory of 4768	2244	a35a34ff770aabda07c6820d69d7f941b8b866d2b60fde248bb5f949c43831dd.exe	91
PID 2244 wrote to memory of 4768	2244	a35a34ff770aabda07c6820d69d7f941b8b866d2b60fde248bb5f949c43831dd.exe	91
PID 2244 wrote to memory of 4768	2244	a35a34ff770aabda07c6820d69d7f941b8b866d2b60fde248bb5f949c43831dd.exe	91
PID 2244 wrote to memory of 4768	2244	a35a34ff770aabda07c6820d69d7f941b8b866d2b60fde248bb5f949c43831dd.exe	91

C:\Users\Admin\AppData\Local\Temp\a35a34ff770aabda07c6820d69d7f941b8b866d2b60fde248bb5f949c43831dd.exe
"C:\Users\Admin\AppData\Local\Temp\a35a34ff770aabda07c6820d69d7f941b8b866d2b60fde248bb5f949c43831dd.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2244-40-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-6-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-2-0x0000000005E80000-0x0000000006424000-memory.dmp

Filesize
5.6MB

Download
memory/2244-3-0x00000000059B0000-0x0000000005A42000-memory.dmp

Filesize
584KB

Download
memory/2244-4-0x0000000005960000-0x0000000005970000-memory.dmp

Filesize
64KB

Download
memory/2244-5-0x0000000005A50000-0x0000000005A5A000-memory.dmp

Filesize
40KB

Download
memory/2244-42-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-7-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-10-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/2244-9-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-12-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-44-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-16-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-18-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-20-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-22-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-24-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-26-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-28-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-30-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-0-0x0000000000F60000-0x0000000000FB0000-memory.dmp

Filesize
320KB

Download
memory/2244-34-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-36-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-38-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-32-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-1-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/2244-14-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-46-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-48-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-50-0x0000000005960000-0x0000000005970000-memory.dmp

Filesize
64KB

Download
memory/2244-51-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-55-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-53-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-57-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-61-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-59-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-63-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-65-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-67-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-69-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-71-0x0000000009620000-0x00000000096E5000-memory.dmp

Filesize
788KB

Download
memory/2244-1084-0x0000000008270000-0x0000000008271000-memory.dmp

Filesize
4KB

Download
memory/2244-1085-0x0000000005960000-0x0000000005970000-memory.dmp

Filesize
64KB

Download
memory/2244-1091-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/4768-1089-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download
memory/4768-1090-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4768-1092-0x0000000005A70000-0x0000000005AD6000-memory.dmp

Filesize
408KB

Download
memory/4768-1093-0x0000000006CD0000-0x0000000006D20000-memory.dmp

Filesize
320KB

Download
memory/4768-1094-0x0000000074E80000-0x0000000075630000-memory.dmp

Filesize
7.7MB

Download