agenttesla | 411ffa492ccbdd5b4a3431d85d107aa78333b836f2e3eb5b36ae33ab5454f8db

General

Target

biliecrypt.exe
Size

820KB
MD5

c83c118e38053dfee03489bc21014ca8
SHA1

b88174774ad323be8397d5816059e84c61d04bfe
SHA256

411ffa492ccbdd5b4a3431d85d107aa78333b836f2e3eb5b36ae33ab5454f8db
SHA512

dcfc37c64b8b28e36ecf3e24ba89f377d797619d59910234b30b5c38bfbd18ac11096f177ce994917d8384b5969f4448d331d8b36454ba2db54d5a7702d222f4
SSDEEP

12288:e+rzlQYypmBwGXjdX32ogZ+g/yHpZmBa2HzY+5Bvnq/Rv1R:HvlQYypmB3XZnMZ4Wkwtn+Rt

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.ionos.es
Port:
587
Username:
[email protected]
Password:
HJBKsdaad578457@@176586
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

Processes:

InstallUtil.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\windows = "C:\\Users\\Admin\\AppData\\Roaming\\windows\\windows.exe"	InstallUtil.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.

Processes:

flow ioc

33 api.ipify.org
34 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

biliecrypt.exe

description pid process target process

PID 448 set thread context of 1576 448 biliecrypt.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

biliecrypt.exeInstallUtil.exe

pid process

448 biliecrypt.exe
448 biliecrypt.exe
448 biliecrypt.exe
448 biliecrypt.exe
1576 InstallUtil.exe
1576 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

biliecrypt.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 448 biliecrypt.exe
Token: SeDebugPrivilege 1576 InstallUtil.exe

flow	ioc
33	api.ipify.org
34	api.ipify.org

description	pid	process	target process
PID 448 set thread context of 1576	448	biliecrypt.exe	InstallUtil.exe

pid	process
448	biliecrypt.exe
448	biliecrypt.exe
448	biliecrypt.exe
448	biliecrypt.exe
1576	InstallUtil.exe
1576	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	448	biliecrypt.exe
Token: SeDebugPrivilege	1576	InstallUtil.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

biliecrypt.exe

description	pid	process	target process
PID 448 wrote to memory of 868	448	biliecrypt.exe	InstallUtil.exe
PID 448 wrote to memory of 868	448	biliecrypt.exe	InstallUtil.exe
PID 448 wrote to memory of 868	448	biliecrypt.exe	InstallUtil.exe
PID 448 wrote to memory of 868	448	biliecrypt.exe	InstallUtil.exe
PID 448 wrote to memory of 868	448	biliecrypt.exe	InstallUtil.exe
PID 448 wrote to memory of 868	448	biliecrypt.exe	InstallUtil.exe
PID 448 wrote to memory of 868	448	biliecrypt.exe	InstallUtil.exe
PID 448 wrote to memory of 868	448	biliecrypt.exe	InstallUtil.exe
PID 448 wrote to memory of 1576	448	biliecrypt.exe	InstallUtil.exe
PID 448 wrote to memory of 1576	448	biliecrypt.exe	InstallUtil.exe
PID 448 wrote to memory of 1576	448	biliecrypt.exe	InstallUtil.exe
PID 448 wrote to memory of 1576	448	biliecrypt.exe	InstallUtil.exe
PID 448 wrote to memory of 1576	448	biliecrypt.exe	InstallUtil.exe
PID 448 wrote to memory of 1576	448	biliecrypt.exe	InstallUtil.exe
PID 448 wrote to memory of 1576	448	biliecrypt.exe	InstallUtil.exe
PID 448 wrote to memory of 1576	448	biliecrypt.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\biliecrypt.exe
"C:\Users\Admin\AppData\Local\Temp\biliecrypt.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:448

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
2⤵
PID:868

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1576

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/448-10-0x0000000002800000-0x0000000002810000-memory.dmp

Filesize
64KB

Download
memory/448-2-0x0000000004BF0000-0x0000000004C8C000-memory.dmp

Filesize
624KB

Download
memory/448-11-0x0000000002800000-0x0000000002810000-memory.dmp

Filesize
64KB

Download
memory/448-3-0x0000000005240000-0x00000000057E4000-memory.dmp

Filesize
5.6MB

Download
memory/448-4-0x0000000002800000-0x0000000002810000-memory.dmp

Filesize
64KB

Download
memory/448-5-0x00000000051D0000-0x0000000005214000-memory.dmp

Filesize
272KB

Download
memory/448-6-0x0000000005A90000-0x0000000005B22000-memory.dmp

Filesize
584KB

Download
memory/448-7-0x0000000005D20000-0x0000000005D2A000-memory.dmp

Filesize
40KB

Download
memory/448-12-0x0000000005F40000-0x0000000005F5A000-memory.dmp

Filesize
104KB

Download
memory/448-9-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/448-0-0x0000000000DD0000-0x0000000000EA4000-memory.dmp

Filesize
848KB

Download
memory/448-1-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/448-8-0x0000000002800000-0x0000000002810000-memory.dmp

Filesize
64KB

Download
memory/448-13-0x0000000006BB0000-0x0000000006BB6000-memory.dmp

Filesize
24KB

Download
memory/448-16-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/1576-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1576-17-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/1576-18-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download
memory/1576-19-0x00000000058E0000-0x0000000005946000-memory.dmp

Filesize
408KB

Download
memory/1576-22-0x0000000006BE0000-0x0000000006C30000-memory.dmp

Filesize
320KB

Download
memory/1576-23-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/1576-24-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads