agenttesla | 22a1bf1796ab58532e00602c90341a0e095f752c646c3614a115ede18c91f3cf

General

Target

scan copy-001.exe
Size

1.1MB
MD5

e5f75d96fdbd9b2edf0623ca56e60a84
SHA1

93e0f48621b5550f72869c371796f2c04be9d8fb
SHA256

22a1bf1796ab58532e00602c90341a0e095f752c646c3614a115ede18c91f3cf
SHA512

3191abf781821c47d1e7a8d1acbc8ddab9147074d49a77566bf6e708b285c643084b14900fc378fc931bd2362e3de2a45e6b3e7afe7c1d8676159fda8e228540

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.chestronic.com
Port:
587
Username:
[email protected]
Password:
8$@oJ?OGP~ge

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3428-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3428-15-0x000000000043760E-mapping.dmp	family_agenttesla

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

21 api.ipify.org
22 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

scan copy-001.exe

description pid process target process

PID 3408 set thread context of 3428 3408 scan copy-001.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

3100 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

scan copy-001.exeRegSvcs.exe

pid process

3408 scan copy-001.exe
3428 RegSvcs.exe
3428 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

scan copy-001.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3408 scan copy-001.exe
Token: SeDebugPrivilege 3428 RegSvcs.exe

flow	ioc
21	api.ipify.org
22	api.ipify.org

description	pid	process	target process
PID 3408 set thread context of 3428	3408	scan copy-001.exe	RegSvcs.exe

pid	process
3100	schtasks.exe

pid	process
3408	scan copy-001.exe
3428	RegSvcs.exe
3428	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3408	scan copy-001.exe
Token: SeDebugPrivilege	3428	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

scan copy-001.exe

description	pid	process	target process
PID 3408 wrote to memory of 3100	3408	scan copy-001.exe	schtasks.exe
PID 3408 wrote to memory of 3100	3408	scan copy-001.exe	schtasks.exe
PID 3408 wrote to memory of 3100	3408	scan copy-001.exe	schtasks.exe
PID 3408 wrote to memory of 3428	3408	scan copy-001.exe	RegSvcs.exe
PID 3408 wrote to memory of 3428	3408	scan copy-001.exe	RegSvcs.exe
PID 3408 wrote to memory of 3428	3408	scan copy-001.exe	RegSvcs.exe
PID 3408 wrote to memory of 3428	3408	scan copy-001.exe	RegSvcs.exe
PID 3408 wrote to memory of 3428	3408	scan copy-001.exe	RegSvcs.exe
PID 3408 wrote to memory of 3428	3408	scan copy-001.exe	RegSvcs.exe
PID 3408 wrote to memory of 3428	3408	scan copy-001.exe	RegSvcs.exe
PID 3408 wrote to memory of 3428	3408	scan copy-001.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\scan copy-001.exe
"C:\Users\Admin\AppData\Local\Temp\scan copy-001.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3408

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iRzalKjH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFD2.tmp"
2⤵
- Creates scheduled task(s)
PID:3100

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3428

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

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\tmpFFD2.tmp
MD5
8a75793f3191df29b2212c41c566525b

SHA1
ecbc0391390175e9da0a9c11d71c786ce4b1c3c6

SHA256
1fb37e8474e6962d853413448b4792a9aeca0b33f0a6ee45d20591da56e71991

SHA512
ff7c60abeb27ac8ebe18b39e87626b40ac52c25f63a76d1af8bba7806c8e0f77ce0345bdac1bd0f9c66dd35be459d687798334cfb0a7ad4b38f6159d57910ad1

Download Submit
memory/3100-12-0x0000000000000000-mapping.dmp

Download
memory/3408-11-0x0000000006380000-0x00000000063F5000-memory.dmp

Filesize
468KB

Download
memory/3408-5-0x00000000054B0000-0x00000000054B1000-memory.dmp

Filesize
4KB

Download
memory/3408-7-0x0000000005600000-0x0000000005601000-memory.dmp

Filesize
4KB

Download
memory/3408-8-0x0000000005560000-0x0000000005561000-memory.dmp

Filesize
4KB

Download
memory/3408-9-0x0000000005820000-0x0000000005821000-memory.dmp

Filesize
4KB

Download
memory/3408-10-0x00000000055A0000-0x00000000055B2000-memory.dmp

Filesize
72KB

Download
memory/3408-2-0x0000000073E00000-0x00000000744EE000-memory.dmp

Filesize
6.9MB

Download
memory/3408-6-0x0000000005B00000-0x0000000005B01000-memory.dmp

Filesize
4KB

Download
memory/3408-3-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Filesize
4KB

Download
memory/3428-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3428-15-0x000000000043760E-mapping.dmp

Download
memory/3428-16-0x0000000073E00000-0x00000000744EE000-memory.dmp

Filesize
6.9MB

Download
memory/3428-21-0x0000000005630000-0x0000000005631000-memory.dmp

Filesize
4KB

Download
memory/3428-22-0x0000000005EC0000-0x0000000005EC1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads