agenttesla | 6661acf762423f3241fa87250e9e8e82b270ed2c8ee891f5ca64e62c0140e6b8

General

Target

payment infirmation.exe
Size

1.3MB
MD5

320eb3a29a367a0d6935df771ce086d7
SHA1

14ca1d8dbf23998b2a63be591208c147caac8e6a
SHA256

6661acf762423f3241fa87250e9e8e82b270ed2c8ee891f5ca64e62c0140e6b8
SHA512

b7ac766aad4c101e1ce2868f13c62252910daa63926fb2b7937d4e80aee920e4ca1a1f3cc58a255760368ef9ff124c8ee9665ea01596a56897241664135c0389

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.jkudyog.com
Port:
587
Username:
ashutosh@jkudyog.com
Password:
%$#@lkjhgfdsa

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/268-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/268-11-0x000000000043782E-mapping.dmp	family_agenttesla
behavioral1/memory/268-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\bqhrQ = "C:\\Users\\Admin\\AppData\\Roaming\\bqhrQ\\bqhrQ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

payment infirmation.exe

description pid process target process

PID 1056 set thread context of 268 1056 payment infirmation.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

360 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

268 RegSvcs.exe
268 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 268 RegSvcs.exe

description	pid	process	target process
PID 1056 set thread context of 268	1056	payment infirmation.exe	RegSvcs.exe

pid	process
360	schtasks.exe

pid	process
268	RegSvcs.exe
268	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	268	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

payment infirmation.exe

description	pid	process	target process
PID 1056 wrote to memory of 360	1056	payment infirmation.exe	schtasks.exe
PID 1056 wrote to memory of 360	1056	payment infirmation.exe	schtasks.exe
PID 1056 wrote to memory of 360	1056	payment infirmation.exe	schtasks.exe
PID 1056 wrote to memory of 360	1056	payment infirmation.exe	schtasks.exe
PID 1056 wrote to memory of 268	1056	payment infirmation.exe	RegSvcs.exe
PID 1056 wrote to memory of 268	1056	payment infirmation.exe	RegSvcs.exe
PID 1056 wrote to memory of 268	1056	payment infirmation.exe	RegSvcs.exe
PID 1056 wrote to memory of 268	1056	payment infirmation.exe	RegSvcs.exe
PID 1056 wrote to memory of 268	1056	payment infirmation.exe	RegSvcs.exe
PID 1056 wrote to memory of 268	1056	payment infirmation.exe	RegSvcs.exe
PID 1056 wrote to memory of 268	1056	payment infirmation.exe	RegSvcs.exe
PID 1056 wrote to memory of 268	1056	payment infirmation.exe	RegSvcs.exe
PID 1056 wrote to memory of 268	1056	payment infirmation.exe	RegSvcs.exe
PID 1056 wrote to memory of 268	1056	payment infirmation.exe	RegSvcs.exe
PID 1056 wrote to memory of 268	1056	payment infirmation.exe	RegSvcs.exe
PID 1056 wrote to memory of 268	1056	payment infirmation.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\payment infirmation.exe
"C:\Users\Admin\AppData\Local\Temp\payment infirmation.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DHTWeFmhTcIfK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DCD.tmp"
2⤵
- Creates scheduled task(s)
PID:360

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:268

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1DCD.tmp
MD5
65b559e847e70686989d17d18e44ed57

SHA1
53246e17c39ea90b23ea078f6fd79146afcd0b94

SHA256
3f311214686fe8b06b58b6e55750de23a27c656bbae00647fdb4889553b67f2b

SHA512
dacaa055de242496262042a85c8de2904e1ac4f823c4b2992a43551f75924c904a979e4ba9d113bd23afd114755f2073188dc5331ebe2e9f2023ae4c6f4f97b4

Download Submit
memory/268-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/268-11-0x000000000043782E-mapping.dmp

Download
memory/268-12-0x0000000073C60000-0x000000007434E000-memory.dmp

Filesize
6.9MB

Download
memory/268-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/268-15-0x0000000004C60000-0x0000000004C61000-memory.dmp

Filesize
4KB

Download
memory/360-8-0x0000000000000000-mapping.dmp

Download
memory/1056-2-0x0000000073C60000-0x000000007434E000-memory.dmp

Filesize
6.9MB

Download
memory/1056-3-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1056-5-0x0000000004C20000-0x0000000004C21000-memory.dmp

Filesize
4KB

Download
memory/1056-6-0x00000000004A0000-0x00000000004C3000-memory.dmp

Filesize
140KB

Download
memory/1056-7-0x0000000004D80000-0x0000000004DF0000-memory.dmp

Filesize
448KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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