agenttesla | 21a650e682952584b3226d026f5ae19917fbea420ab8e3a7486610c368939a83

General

Target

d.exe
Size

875KB
MD5

3437bbb0a6be653c667b3091671af69a
SHA1

5378934fb1364286a61b453479aafb3811a6c9ac
SHA256

21a650e682952584b3226d026f5ae19917fbea420ab8e3a7486610c368939a83
SHA512

40d80c76a4f5c0b09b0c332668ee5fad14f15108fb5f8c9ad261be47bc9e20874c890ec991844425445adb80443b06120e7b599e9420cbfb0ac2aefb9d6b4555

Score

10^/10

agenttesla agilenet keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yillmachine.com
Port:
587
Username:
datalogs2020@yillmachine.com
Password:
FCcHFCp8

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
behavioral2/memory/3936-128-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3936-129-0x00000000004375AE-mapping.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

3936 InstallUtil.exe

pid	process
3936	InstallUtil.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral2/memory/3560-122-0x0000000006DB0000-0x0000000006DD1000-memory.dmp	agile_net

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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:

InstallUtil.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\qXLPL = "C:\\Users\\Admin\\AppData\\Roaming\\qXLPL\\qXLPL.exe"	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

d.exe

description pid process target process

PID 3560 set thread context of 3936 3560 d.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

d.exeInstallUtil.exe

pid process

3560 d.exe
3560 d.exe
3936 InstallUtil.exe
3936 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 3560 d.exe
Token: SeDebugPrivilege 3936 InstallUtil.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

3936 InstallUtil.exe

description	pid	process	target process
PID 3560 set thread context of 3936	3560	d.exe	InstallUtil.exe

pid	process
3560	d.exe
3560	d.exe
3936	InstallUtil.exe
3936	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3560	d.exe
Token: SeDebugPrivilege	3936	InstallUtil.exe

pid	process
3936	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d.exe

description	pid	process	target process
PID 3560 wrote to memory of 3936	3560	d.exe	InstallUtil.exe
PID 3560 wrote to memory of 3936	3560	d.exe	InstallUtil.exe
PID 3560 wrote to memory of 3936	3560	d.exe	InstallUtil.exe
PID 3560 wrote to memory of 3936	3560	d.exe	InstallUtil.exe
PID 3560 wrote to memory of 3936	3560	d.exe	InstallUtil.exe
PID 3560 wrote to memory of 3936	3560	d.exe	InstallUtil.exe
PID 3560 wrote to memory of 3936	3560	d.exe	InstallUtil.exe
PID 3560 wrote to memory of 3936	3560	d.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\d.exe
"C:\Users\Admin\AppData\Local\Temp\d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3560

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3936

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/3560-124-0x0000000006E40000-0x0000000006E41000-memory.dmp

Filesize
4KB

Download
memory/3560-127-0x0000000007720000-0x0000000007721000-memory.dmp

Filesize
4KB

Download
memory/3560-119-0x0000000005FC0000-0x0000000005FC1000-memory.dmp

Filesize
4KB

Download
memory/3560-121-0x0000000006160000-0x0000000006161000-memory.dmp

Filesize
4KB

Download
memory/3560-122-0x0000000006DB0000-0x0000000006DD1000-memory.dmp

Filesize
132KB

Download
memory/3560-123-0x0000000006E80000-0x0000000006E81000-memory.dmp

Filesize
4KB

Download
memory/3560-114-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

Filesize
4KB

Download
memory/3560-125-0x0000000006161000-0x0000000006162000-memory.dmp

Filesize
4KB

Download
memory/3560-126-0x0000000007050000-0x000000000705B000-memory.dmp

Filesize
44KB

Download
memory/3560-118-0x0000000005700000-0x0000000005701000-memory.dmp

Filesize
4KB

Download
memory/3560-116-0x0000000005AC0000-0x0000000005AC1000-memory.dmp

Filesize
4KB

Download
memory/3560-117-0x0000000005660000-0x0000000005661000-memory.dmp

Filesize
4KB

Download
memory/3936-129-0x00000000004375AE-mapping.dmp

Download
memory/3936-128-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3936-136-0x00000000057E0000-0x00000000057E1000-memory.dmp

Filesize
4KB

Download
memory/3936-137-0x0000000005840000-0x0000000005841000-memory.dmp

Filesize
4KB

Download
memory/3936-140-0x00000000017D0000-0x00000000017D1000-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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