agenttesla | a46de7b1eb5d6bd50182eebb1822b4535f3018136cd98af27ae6c462583a2267

Analysis

max time kernel
93s
max time network
105s
platform
windows10_x64
resource
win10v20201028
submitted
15-02-2021 04:40

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General

Target

d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.framafilms.com
Port:
587
Username:
framafilmsint@framafilms.com
Password:
lister11

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral14/memory/3156-11-0x0000000000436D1E-mapping.dmp	family_agenttesla
behavioral14/memory/3156-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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
T1081
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
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegAsm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe

description	pid	process	target process
PID 644 set thread context of 3156	644	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

3156 RegAsm.exe
3156 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 3156 RegAsm.exe

pid	process
3156	RegAsm.exe
3156	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	3156	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe

description	pid	process	target process
PID 644 wrote to memory of 3156	644	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 644 wrote to memory of 3156	644	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 644 wrote to memory of 3156	644	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 644 wrote to memory of 3156	644	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 644 wrote to memory of 3156	644	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 644 wrote to memory of 3156	644	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 644 wrote to memory of 3156	644	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 644 wrote to memory of 3156	644	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe
"C:\Users\Admin\AppData\Local\Temp\d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:644

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3156

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/644-21-0x0000000005920000-0x0000000005921000-memory.dmp

Filesize
4KB

Download
memory/644-3-0x0000000000E80000-0x0000000000E81000-memory.dmp

Filesize
4KB

Download
memory/644-5-0x0000000005C90000-0x0000000005C91000-memory.dmp

Filesize
4KB

Download
memory/644-6-0x0000000005830000-0x0000000005831000-memory.dmp

Filesize
4KB

Download
memory/644-7-0x0000000003280000-0x00000000032C8000-memory.dmp

Filesize
288KB

Download
memory/644-8-0x0000000005970000-0x0000000005971000-memory.dmp

Filesize
4KB

Download
memory/644-9-0x00000000031A0000-0x00000000031AF000-memory.dmp

Filesize
60KB

Download
memory/644-22-0x0000000005813000-0x0000000005815000-memory.dmp

Filesize
8KB

Download
memory/644-2-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/644-12-0x0000000005810000-0x0000000005811000-memory.dmp

Filesize
4KB

Download
memory/3156-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3156-18-0x0000000005610000-0x0000000005611000-memory.dmp

Filesize
4KB

Download
memory/3156-19-0x00000000059A0000-0x00000000059A1000-memory.dmp

Filesize
4KB

Download
memory/3156-20-0x0000000006240000-0x0000000006241000-memory.dmp

Filesize
4KB

Download
memory/3156-13-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/3156-11-0x0000000000436D1E-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads