agenttesla | f39980b6f513345fde2aad18cb790595c8cb64139cb0aa1686d6c4e7c8b24e2b

General

Target

Purchase Order_P2C017400.exe
Size

1.1MB
MD5

464f7da3da9b44d00b0c7b5f23e69bcb
SHA1

669e84965dcfcd23e15f33e4498ef93657ac86b0
SHA256

f39980b6f513345fde2aad18cb790595c8cb64139cb0aa1686d6c4e7c8b24e2b
SHA512

5a2703ed2f667edec8ce11ed725d1f21af6db67edb32fee7a2ddd342c1e05bb7e352fefd4d1d933eb94fbe99032a09534c5d3d0af6e0739e339b9b2822a62700

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.mdist.us
Port:
587
Username:
jg@mdist.us
Password:
Jg#4321

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/296-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/296-69-0x00000000004377FE-mapping.dmp	family_agenttesla
behavioral1/memory/296-70-0x0000000000400000-0x000000000043C000-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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\ppptOL = "C:\\Users\\Admin\\AppData\\Roaming\\ppptOL\\ppptOL.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase Order_P2C017400.exe

description pid process target process

PID 2004 set thread context of 296 2004 Purchase Order_P2C017400.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

396 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

296 RegSvcs.exe
296 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 296 RegSvcs.exe

description	pid	process	target process
PID 2004 set thread context of 296	2004	Purchase Order_P2C017400.exe	RegSvcs.exe

pid	process
396	schtasks.exe

pid	process
296	RegSvcs.exe
296	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	296	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Purchase Order_P2C017400.exe

description	pid	process	target process
PID 2004 wrote to memory of 396	2004	Purchase Order_P2C017400.exe	schtasks.exe
PID 2004 wrote to memory of 396	2004	Purchase Order_P2C017400.exe	schtasks.exe
PID 2004 wrote to memory of 396	2004	Purchase Order_P2C017400.exe	schtasks.exe
PID 2004 wrote to memory of 396	2004	Purchase Order_P2C017400.exe	schtasks.exe
PID 2004 wrote to memory of 296	2004	Purchase Order_P2C017400.exe	RegSvcs.exe
PID 2004 wrote to memory of 296	2004	Purchase Order_P2C017400.exe	RegSvcs.exe
PID 2004 wrote to memory of 296	2004	Purchase Order_P2C017400.exe	RegSvcs.exe
PID 2004 wrote to memory of 296	2004	Purchase Order_P2C017400.exe	RegSvcs.exe
PID 2004 wrote to memory of 296	2004	Purchase Order_P2C017400.exe	RegSvcs.exe
PID 2004 wrote to memory of 296	2004	Purchase Order_P2C017400.exe	RegSvcs.exe
PID 2004 wrote to memory of 296	2004	Purchase Order_P2C017400.exe	RegSvcs.exe
PID 2004 wrote to memory of 296	2004	Purchase Order_P2C017400.exe	RegSvcs.exe
PID 2004 wrote to memory of 296	2004	Purchase Order_P2C017400.exe	RegSvcs.exe
PID 2004 wrote to memory of 296	2004	Purchase Order_P2C017400.exe	RegSvcs.exe
PID 2004 wrote to memory of 296	2004	Purchase Order_P2C017400.exe	RegSvcs.exe
PID 2004 wrote to memory of 296	2004	Purchase Order_P2C017400.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order_P2C017400.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order_P2C017400.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2004

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DVvleQPYAJVS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9859.tmp"
2⤵
- Creates scheduled task(s)
PID:396

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:296

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\tmp9859.tmp
MD5
105276e62837ef0c4822aa09edb7f3b1

SHA1
dd9241441ef8db4a402189c1285d2605d2c26fbf

SHA256
b412ee811b31eb1f1719e4a29f2f77e95d09a7b1d3d7362c8434aba603c8ad90

SHA512
2fbf8264cfd562cfe8d6d15acbcb9632e1840977eedb6bbf9a601f2e22ab38261542e6d5a3cf22eaa6eba29003c758c4fcfceb1a3987216b9452860a49c8fe57

Download Submit
memory/296-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/296-69-0x00000000004377FE-mapping.dmp

Download
memory/296-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/296-72-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/296-73-0x00000000005E1000-0x00000000005E2000-memory.dmp

Filesize
4KB

Download
memory/396-66-0x0000000000000000-mapping.dmp

Download
memory/2004-60-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/2004-62-0x0000000007220000-0x0000000007221000-memory.dmp

Filesize
4KB

Download
memory/2004-63-0x0000000000A00000-0x0000000000A05000-memory.dmp

Filesize
20KB

Download
memory/2004-64-0x0000000007E80000-0x0000000007F2F000-memory.dmp

Filesize
700KB

Download
memory/2004-65-0x0000000008060000-0x00000000080CA000-memory.dmp

Filesize
424KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads