agenttesla | bc445fd5e14be52b529f507908767c8cf463d49b0b3353923bc308e64da81bda

General

Target

PO #047428.exe
Size

684KB
MD5

747ce85eef93567c5676649aef9c00b8
SHA1

99cb598151f63f464ed92c3e42749721cbc9091b
SHA256

bc445fd5e14be52b529f507908767c8cf463d49b0b3353923bc308e64da81bda
SHA512

d338a922ae19ccab49c2a80ab558b8573f24a4ca57aa7c1a3dcd1c0f9f7b44796d45ac50a4954463525e3e54f22858217dd71d0370bc78a88f4051dcfeceac1f

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sharqcapital.qa
Port:
587
Username:
[email protected]
Password:
zoAr6!y[h*Qp

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/268-11-0x000000000043763E-mapping.dmp	family_agenttesla
behavioral1/memory/268-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

PO #047428.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts PO #047428.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	PO #047428.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO #047428.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	PO #047428.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO #047428.exe

description pid process target process

PID 792 set thread context of 268 792 PO #047428.exe PO #047428.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

900 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PO #047428.exePO #047428.exe

pid process

792 PO #047428.exe
268 PO #047428.exe
268 PO #047428.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO #047428.exePO #047428.exe

description pid process

Token: SeDebugPrivilege 792 PO #047428.exe
Token: SeDebugPrivilege 268 PO #047428.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO #047428.exe

pid process

268 PO #047428.exe

description	pid	process	target process
PID 792 set thread context of 268	792	PO #047428.exe	PO #047428.exe

pid	process
900	schtasks.exe

pid	process
792	PO #047428.exe
268	PO #047428.exe
268	PO #047428.exe

description	pid	process
Token: SeDebugPrivilege	792	PO #047428.exe
Token: SeDebugPrivilege	268	PO #047428.exe

pid	process
268	PO #047428.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PO #047428.exe

description	pid	process	target process
PID 792 wrote to memory of 900	792	PO #047428.exe	schtasks.exe
PID 792 wrote to memory of 900	792	PO #047428.exe	schtasks.exe
PID 792 wrote to memory of 900	792	PO #047428.exe	schtasks.exe
PID 792 wrote to memory of 900	792	PO #047428.exe	schtasks.exe
PID 792 wrote to memory of 268	792	PO #047428.exe	PO #047428.exe
PID 792 wrote to memory of 268	792	PO #047428.exe	PO #047428.exe
PID 792 wrote to memory of 268	792	PO #047428.exe	PO #047428.exe
PID 792 wrote to memory of 268	792	PO #047428.exe	PO #047428.exe
PID 792 wrote to memory of 268	792	PO #047428.exe	PO #047428.exe
PID 792 wrote to memory of 268	792	PO #047428.exe	PO #047428.exe
PID 792 wrote to memory of 268	792	PO #047428.exe	PO #047428.exe
PID 792 wrote to memory of 268	792	PO #047428.exe	PO #047428.exe
PID 792 wrote to memory of 268	792	PO #047428.exe	PO #047428.exe

C:\Users\Admin\AppData\Local\Temp\PO #047428.exe
"C:\Users\Admin\AppData\Local\Temp\PO #047428.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:792

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yXAQfeQN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C9D.tmp"
2⤵
- Creates scheduled task(s)
PID:900

C:\Users\Admin\AppData\Local\Temp\PO #047428.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

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\tmp9C9D.tmp
MD5
008c125c556733e10d13460da2ce4bd6

SHA1
3e3ab26f70e4df5bdf9df86bb120e4ed1df4a05a

SHA256
ab06ba4389a69b568bdaef9a4b2cc5278b8878d3af3eb8cb73ea67b63a423a8c

SHA512
6e6518a595d37399eac47236f864838fe8911ed279d3e2a0173b7c575f348bceca6b7cde86694530d09640874b2abb293f617440ef8621800a08915d03804c00

Download Submit
memory/268-12-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

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

Filesize
240KB

Download
memory/268-11-0x000000000043763E-mapping.dmp

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

Filesize
240KB

Download
memory/268-15-0x0000000004880000-0x0000000004881000-memory.dmp

Filesize
4KB

Download
memory/268-16-0x0000000004881000-0x0000000004882000-memory.dmp

Filesize
4KB

Download
memory/792-5-0x0000000004D20000-0x0000000004D21000-memory.dmp

Filesize
4KB

Download
memory/792-6-0x00000000004D0000-0x00000000004DE000-memory.dmp

Filesize
56KB

Download
memory/792-7-0x0000000007E40000-0x0000000007EE0000-memory.dmp

Filesize
640KB

Download
memory/792-3-0x0000000000B80000-0x0000000000B81000-memory.dmp

Filesize
4KB

Download
memory/792-2-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/900-8-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads