agenttesla | 123de48e610d4e6dacfb9722ccf5073154cd419537a7b60aa510d81e06e51404

General

Target

ACCOUNT FORM.exe
Size

1.7MB
MD5

bb06da848bdf0fb902bc05bfaa2deca3
SHA1

efd66a569fb1ea9cbba3c1160cb8a6975560e779
SHA256

123de48e610d4e6dacfb9722ccf5073154cd419537a7b60aa510d81e06e51404
SHA512

0f820c5e48eadc224cafc3d8d32df853b8041f69f378aa42d5c3f417e152f9af8807dfd0d57813cec75f54d9621edf11fc51c048bf32cbfcf634d93b5ca349a9

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ozkengumruk.com.tr
Port:
587
Username:
[email protected]
Password:
A!wak487

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/1876-69-0x00000000004376CE-mapping.dmp	family_agenttesla
behavioral1/memory/1876-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1876-70-0x0000000000400000-0x000000000043C000-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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\tKZVPq = "C:\\Users\\Admin\\AppData\\Roaming\\tKZVPq\\tKZVPq.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ACCOUNT FORM.exe

description pid process target process

PID 1828 set thread context of 1876 1828 ACCOUNT FORM.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

1304 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

ACCOUNT FORM.exeRegSvcs.exe

pid process

1828 ACCOUNT FORM.exe
1876 RegSvcs.exe
1876 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ACCOUNT FORM.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1828 ACCOUNT FORM.exe
Token: SeDebugPrivilege 1876 RegSvcs.exe

description	pid	process	target process
PID 1828 set thread context of 1876	1828	ACCOUNT FORM.exe	RegSvcs.exe

pid	process
1304	schtasks.exe

pid	process
1828	ACCOUNT FORM.exe
1876	RegSvcs.exe
1876	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1828	ACCOUNT FORM.exe
Token: SeDebugPrivilege	1876	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

ACCOUNT FORM.exe

description	pid	process	target process
PID 1828 wrote to memory of 1304	1828	ACCOUNT FORM.exe	schtasks.exe
PID 1828 wrote to memory of 1304	1828	ACCOUNT FORM.exe	schtasks.exe
PID 1828 wrote to memory of 1304	1828	ACCOUNT FORM.exe	schtasks.exe
PID 1828 wrote to memory of 1304	1828	ACCOUNT FORM.exe	schtasks.exe
PID 1828 wrote to memory of 1876	1828	ACCOUNT FORM.exe	RegSvcs.exe
PID 1828 wrote to memory of 1876	1828	ACCOUNT FORM.exe	RegSvcs.exe
PID 1828 wrote to memory of 1876	1828	ACCOUNT FORM.exe	RegSvcs.exe
PID 1828 wrote to memory of 1876	1828	ACCOUNT FORM.exe	RegSvcs.exe
PID 1828 wrote to memory of 1876	1828	ACCOUNT FORM.exe	RegSvcs.exe
PID 1828 wrote to memory of 1876	1828	ACCOUNT FORM.exe	RegSvcs.exe
PID 1828 wrote to memory of 1876	1828	ACCOUNT FORM.exe	RegSvcs.exe
PID 1828 wrote to memory of 1876	1828	ACCOUNT FORM.exe	RegSvcs.exe
PID 1828 wrote to memory of 1876	1828	ACCOUNT FORM.exe	RegSvcs.exe
PID 1828 wrote to memory of 1876	1828	ACCOUNT FORM.exe	RegSvcs.exe
PID 1828 wrote to memory of 1876	1828	ACCOUNT FORM.exe	RegSvcs.exe
PID 1828 wrote to memory of 1876	1828	ACCOUNT FORM.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\ACCOUNT FORM.exe
"C:\Users\Admin\AppData\Local\Temp\ACCOUNT FORM.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1828

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qykCLxbojSJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7CEC.tmp"
2⤵
- Creates scheduled task(s)
PID:1304

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1876

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\tmp7CEC.tmp
MD5
a1d19234dab6433c71a0829f79ca09a9

SHA1
70c62b2c04d67ca4eff96982ce49907858a103dd

SHA256
e77955c252b4f07b3424a73edd7fcb06bca639912bc1810284bb6b284ea0e7c8

SHA512
92d36709ee246451f2c0f01c65de89cd4d1f95fe8f1f5be6e2a9da36d2ca5648b74d71ae8af238d7fd9a4a0d0cdca1c0b8cf2e70f7e5a1bf47f87140ddf1439e

Download Submit
memory/1304-66-0x0000000000000000-mapping.dmp

Download
memory/1828-60-0x00000000000F0000-0x00000000000F1000-memory.dmp

Filesize
4KB

Download
memory/1828-62-0x0000000004E20000-0x0000000004E21000-memory.dmp

Filesize
4KB

Download
memory/1828-63-0x0000000000380000-0x000000000038E000-memory.dmp

Filesize
56KB

Download
memory/1828-64-0x00000000091C0000-0x000000000923B000-memory.dmp

Filesize
492KB

Download
memory/1828-65-0x0000000000620000-0x0000000000658000-memory.dmp

Filesize
224KB

Download
memory/1876-69-0x00000000004376CE-mapping.dmp

Download
memory/1876-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1876-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1876-72-0x0000000004B10000-0x0000000004B11000-memory.dmp

Filesize
4KB

Download
memory/1876-73-0x0000000004B11000-0x0000000004B12000-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