agenttesla | 89203c9d1ba98fde5ac5baad12944bc68d9a8b1a21a0bb61526daaca06d7b189

General

Target

Invoice.exe
Size

1.4MB
MD5

d33b39c996adec836b65b860fa033634
SHA1

1b9e13e746e7ea7a0c9d699ea1117eb2b29558d6
SHA256

89203c9d1ba98fde5ac5baad12944bc68d9a8b1a21a0bb61526daaca06d7b189
SHA512

0e79ed572abfe3408279ebe8d47c5fb26c6a608ef44380b23dd3dafab878671473b2091e4d7fac5ac00a1e2194ce7cbf74c86ae3bf41ff4c1641c5888b7da49e

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tejoofashions.com
Port:
587
Username:
[email protected]
Password:
OmiCron#2019

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/652-69-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/652-70-0x00000000004618AE-mapping.dmp	family_agenttesla
behavioral1/memory/652-71-0x0000000000400000-0x0000000000466000-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\WCPCe = "C:\\Users\\Admin\\AppData\\Roaming\\WCPCe\\WCPCe.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice.exe

description pid process target process

PID 1652 set thread context of 652 1652 Invoice.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

1476 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Invoice.exeRegSvcs.exe

pid process

1652 Invoice.exe
652 RegSvcs.exe
652 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Invoice.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1652 Invoice.exe
Token: SeDebugPrivilege 652 RegSvcs.exe

description	pid	process	target process
PID 1652 set thread context of 652	1652	Invoice.exe	RegSvcs.exe

pid	process
1476	schtasks.exe

pid	process
1652	Invoice.exe
652	RegSvcs.exe
652	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1652	Invoice.exe
Token: SeDebugPrivilege	652	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Invoice.exe

description	pid	process	target process
PID 1652 wrote to memory of 1476	1652	Invoice.exe	schtasks.exe
PID 1652 wrote to memory of 1476	1652	Invoice.exe	schtasks.exe
PID 1652 wrote to memory of 1476	1652	Invoice.exe	schtasks.exe
PID 1652 wrote to memory of 1476	1652	Invoice.exe	schtasks.exe
PID 1652 wrote to memory of 652	1652	Invoice.exe	RegSvcs.exe
PID 1652 wrote to memory of 652	1652	Invoice.exe	RegSvcs.exe
PID 1652 wrote to memory of 652	1652	Invoice.exe	RegSvcs.exe
PID 1652 wrote to memory of 652	1652	Invoice.exe	RegSvcs.exe
PID 1652 wrote to memory of 652	1652	Invoice.exe	RegSvcs.exe
PID 1652 wrote to memory of 652	1652	Invoice.exe	RegSvcs.exe
PID 1652 wrote to memory of 652	1652	Invoice.exe	RegSvcs.exe
PID 1652 wrote to memory of 652	1652	Invoice.exe	RegSvcs.exe
PID 1652 wrote to memory of 652	1652	Invoice.exe	RegSvcs.exe
PID 1652 wrote to memory of 652	1652	Invoice.exe	RegSvcs.exe
PID 1652 wrote to memory of 652	1652	Invoice.exe	RegSvcs.exe
PID 1652 wrote to memory of 652	1652	Invoice.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GJSgauNIlYrRR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1F44.tmp"
2⤵
- Creates scheduled task(s)
PID:1476

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:652

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\tmp1F44.tmp

MD5
6dfa2e130f0cc5fca7fddfef3c0f7ed0

SHA1
7795861ab17564bb453ad716a6e050a57cf08216

SHA256
b60ad9ad8a558f124d5f7dec71e2d4df3e3e50f644d33135cebcf2813a16a93c

SHA512
33d66b5c6fe9dde9d6689f57906de7939dba6644560ce4c1bd44e30864b1a3e93e9102d2f810ff38dc6665b3036f5e0cfc35dcb6822955c13c909f91153241db

Download Submit
memory/652-74-0x0000000002221000-0x0000000002222000-memory.dmp

Filesize
4KB

Download
memory/652-73-0x0000000002220000-0x0000000002221000-memory.dmp

Filesize
4KB

Download
memory/652-71-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/652-70-0x00000000004618AE-mapping.dmp

Download
memory/652-69-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1476-67-0x0000000000000000-mapping.dmp

Download
memory/1652-60-0x00000000013B0000-0x00000000013B1000-memory.dmp

Filesize
4KB

Download
memory/1652-66-0x0000000005240000-0x00000000052CF000-memory.dmp

Filesize
572KB

Download
memory/1652-65-0x0000000005170000-0x000000000523E000-memory.dmp

Filesize
824KB

Download
memory/1652-64-0x00000000004F0000-0x00000000004F5000-memory.dmp

Filesize
20KB

Download
memory/1652-63-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/1652-62-0x0000000001240000-0x000000000130A000-memory.dmp

Filesize
808KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads