agenttesla | a46de7b1eb5d6bd50182eebb1822b4535f3018136cd98af27ae6c462583a2267

Analysis

max time kernel
107s
max time network
16s
platform
windows7_x64
resource
win7v20201028
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 3 IoCs

Processes:

resource	yara_rule
behavioral13/memory/1948-8-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral13/memory/1948-9-0x0000000000436D1E-mapping.dmp	family_agenttesla
behavioral13/memory/1948-12-0x0000000000400000-0x000000000043C000-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-1-5-21-293278959-2699126792-324916226-1000\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 328 set thread context of 1948	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exeRegAsm.exe

pid process

328 d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe
1948 RegAsm.exe
1948 RegAsm.exe

pid	process
328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe
1948	RegAsm.exe
1948	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe
Token: SeDebugPrivilege	1948	RegAsm.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe

description	pid	process	target process
PID 328 wrote to memory of 1864	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1864	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1864	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1864	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1864	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1864	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1864	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1948	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1948	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1948	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1948	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1948	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1948	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1948	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1948	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1948	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1948	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1948	328	d10a043f50b47c93c7bdd522d777d62b6034134605449465c2cd3e66958be4fd.exe	RegAsm.exe
PID 328 wrote to memory of 1948	328	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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:328

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:1864

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:1948

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/328-2-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/328-3-0x0000000001250000-0x0000000001251000-memory.dmp

Filesize
4KB

Download
memory/328-5-0x0000000000B80000-0x0000000000BC8000-memory.dmp

Filesize
288KB

Download
memory/328-6-0x0000000000980000-0x000000000098F000-memory.dmp

Filesize
60KB

Download
memory/328-7-0x0000000004B60000-0x0000000004B61000-memory.dmp

Filesize
4KB

Download
memory/328-15-0x0000000004B65000-0x0000000004B76000-memory.dmp

Filesize
68KB

Download
memory/1948-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1948-9-0x0000000000436D1E-mapping.dmp

Download
memory/1948-10-0x00000000761E1000-0x00000000761E3000-memory.dmp

Filesize
8KB

Download
memory/1948-11-0x0000000074450000-0x0000000074B3E000-memory.dmp

Filesize
6.9MB

Download
memory/1948-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1948-14-0x0000000001030000-0x0000000001031000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads