agenttesla | 51ffadb235d5d1dac55f0112aee9612c64c5bbd31292b1723b56c92743c88116

General

Target

PO#33S2-202105BsNR.exe
Size

1.1MB
MD5

5dcb9230b7b1fd6a6af46cd3a6b8f7dc
SHA1

accfe3b4df5722111a54d0a225e56522c7a0b1d4
SHA256

d8e652da86fdd7a46e480f4e80616abc1f6ea80a1bfa00bbf70414dac7895480
SHA512

c986d1e6f5561949af2943f7f97bfd3ab5085da1e117ee40d72e9a0d359a85ae45e88162311d96804251f57f60c413467a794ee792607e398eb6df32ed89ab0b

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.mesco-midhco.com
Port:
587
Username:
[email protected]
Password:
fFEawV%0

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/796-69-0x000000000043749E-mapping.dmp	family_agenttesla
behavioral1/memory/796-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/796-70-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO#33S2-202105BsNR.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\pGKuRU = "C:\\Users\\Admin\\AppData\\Roaming\\pGKuRU\\pGKuRU.exe"	PO#33S2-202105BsNR.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO#33S2-202105BsNR.exe

description pid process target process

PID 1056 set thread context of 796 1056 PO#33S2-202105BsNR.exe PO#33S2-202105BsNR.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

524 schtasks.exe

description	pid	process	target process
PID 1056 set thread context of 796	1056	PO#33S2-202105BsNR.exe	PO#33S2-202105BsNR.exe

pid	process
524	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

PO#33S2-202105BsNR.exePO#33S2-202105BsNR.exe

pid	process
1056	PO#33S2-202105BsNR.exe
1056	PO#33S2-202105BsNR.exe
1056	PO#33S2-202105BsNR.exe
1056	PO#33S2-202105BsNR.exe
796	PO#33S2-202105BsNR.exe
796	PO#33S2-202105BsNR.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO#33S2-202105BsNR.exePO#33S2-202105BsNR.exe

description pid process

Token: SeDebugPrivilege 1056 PO#33S2-202105BsNR.exe
Token: SeDebugPrivilege 796 PO#33S2-202105BsNR.exe

description	pid	process
Token: SeDebugPrivilege	1056	PO#33S2-202105BsNR.exe
Token: SeDebugPrivilege	796	PO#33S2-202105BsNR.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

PO#33S2-202105BsNR.exe

description	pid	process	target process
PID 1056 wrote to memory of 524	1056	PO#33S2-202105BsNR.exe	schtasks.exe
PID 1056 wrote to memory of 524	1056	PO#33S2-202105BsNR.exe	schtasks.exe
PID 1056 wrote to memory of 524	1056	PO#33S2-202105BsNR.exe	schtasks.exe
PID 1056 wrote to memory of 524	1056	PO#33S2-202105BsNR.exe	schtasks.exe
PID 1056 wrote to memory of 792	1056	PO#33S2-202105BsNR.exe	PO#33S2-202105BsNR.exe
PID 1056 wrote to memory of 792	1056	PO#33S2-202105BsNR.exe	PO#33S2-202105BsNR.exe
PID 1056 wrote to memory of 792	1056	PO#33S2-202105BsNR.exe	PO#33S2-202105BsNR.exe
PID 1056 wrote to memory of 792	1056	PO#33S2-202105BsNR.exe	PO#33S2-202105BsNR.exe
PID 1056 wrote to memory of 796	1056	PO#33S2-202105BsNR.exe	PO#33S2-202105BsNR.exe
PID 1056 wrote to memory of 796	1056	PO#33S2-202105BsNR.exe	PO#33S2-202105BsNR.exe
PID 1056 wrote to memory of 796	1056	PO#33S2-202105BsNR.exe	PO#33S2-202105BsNR.exe
PID 1056 wrote to memory of 796	1056	PO#33S2-202105BsNR.exe	PO#33S2-202105BsNR.exe
PID 1056 wrote to memory of 796	1056	PO#33S2-202105BsNR.exe	PO#33S2-202105BsNR.exe
PID 1056 wrote to memory of 796	1056	PO#33S2-202105BsNR.exe	PO#33S2-202105BsNR.exe
PID 1056 wrote to memory of 796	1056	PO#33S2-202105BsNR.exe	PO#33S2-202105BsNR.exe
PID 1056 wrote to memory of 796	1056	PO#33S2-202105BsNR.exe	PO#33S2-202105BsNR.exe
PID 1056 wrote to memory of 796	1056	PO#33S2-202105BsNR.exe	PO#33S2-202105BsNR.exe

C:\Users\Admin\AppData\Local\Temp\PO#33S2-202105BsNR.exe
"C:\Users\Admin\AppData\Local\Temp\PO#33S2-202105BsNR.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AUVrGdYkxsHBGt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA6BB.tmp"
2⤵
- Creates scheduled task(s)
PID:524

C:\Users\Admin\AppData\Local\Temp\PO#33S2-202105BsNR.exe
"C:\Users\Admin\AppData\Local\Temp\PO#33S2-202105BsNR.exe"
2⤵
PID:792

C:\Users\Admin\AppData\Local\Temp\PO#33S2-202105BsNR.exe
"C:\Users\Admin\AppData\Local\Temp\PO#33S2-202105BsNR.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:796

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA6BB.tmp

MD5
de4ce0bcb3cb0b556aa6aa90be0bc991

SHA1
8ac921310d89dd6021ae2888de86688d027af3fc

SHA256
9c9e265668ef9c87beab24dd6aa90554cbb03eaf4a58240c914a4145ed1349d7

SHA512
49c55a3df5aa75e695603e3a837cc2aec6bdbe713cc9149e98d812a00460fe459c33c28b6f138077e8cc992cc65bf0f822bda4b62f51427fb30f3bb2f8a08021

Download Submit
memory/524-66-0x0000000000000000-mapping.dmp

Download
memory/796-69-0x000000000043749E-mapping.dmp

Download
memory/796-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/796-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/796-72-0x0000000004D10000-0x0000000004D11000-memory.dmp

Filesize
4KB

Download
memory/1056-60-0x0000000000890000-0x0000000000891000-memory.dmp

Filesize
4KB

Download
memory/1056-62-0x0000000000880000-0x0000000000889000-memory.dmp

Filesize
36KB

Download
memory/1056-63-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

Filesize
4KB

Download
memory/1056-64-0x0000000004930000-0x00000000049AD000-memory.dmp

Filesize
500KB

Download
memory/1056-65-0x00000000020D0000-0x0000000002118000-memory.dmp

Filesize
288KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads