agenttesla | 012edf2acec37175b25f3f4be8044f10a0113ce517d6240e4ac1536c9c45cbe8

General

Target

proforma invoice.exe
Size

453KB
MD5

04dfee364770b42beae6cd931bdff099
SHA1

30d15b8fa934d84cf8652e1d80b60a263e02c29e
SHA256

012edf2acec37175b25f3f4be8044f10a0113ce517d6240e4ac1536c9c45cbe8
SHA512

aa3322534e3d483a45c9e3153cb45df6189628d69f9e26c2761fefb576ca9023dc0bfad6eeab3e02ecb06a740cee075f896ebff2351f216e80cef0497cfee714

Score

10^/10

agenttesla keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
m4rkusyoung@yandex.com
Password:
123@Ossymbo

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1584-7-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1584-8-0x0000000000446C7E-mapping.dmp	family_agenttesla
behavioral1/memory/1584-9-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1584-10-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

rezer0 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1668-4-0x0000000004160000-0x00000000041AD000-memory.dmp	rezer0

Suspicious use of SetThreadContext 1 IoCs

Processes:

proforma invoice.exe

description pid process target process

PID 1668 set thread context of 1584 1668 proforma 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

1336 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1584 RegSvcs.exe
1584 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1584 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

1584 RegSvcs.exe

description	pid	process	target process
PID 1668 set thread context of 1584	1668	proforma invoice.exe	RegSvcs.exe

pid	process
1336	schtasks.exe

pid	process
1584	RegSvcs.exe
1584	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1584	RegSvcs.exe

pid	process
1584	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

proforma invoice.exe

description	pid	process	target process
PID 1668 wrote to memory of 1336	1668	proforma invoice.exe	schtasks.exe
PID 1668 wrote to memory of 1336	1668	proforma invoice.exe	schtasks.exe
PID 1668 wrote to memory of 1336	1668	proforma invoice.exe	schtasks.exe
PID 1668 wrote to memory of 1336	1668	proforma invoice.exe	schtasks.exe
PID 1668 wrote to memory of 1584	1668	proforma invoice.exe	RegSvcs.exe
PID 1668 wrote to memory of 1584	1668	proforma invoice.exe	RegSvcs.exe
PID 1668 wrote to memory of 1584	1668	proforma invoice.exe	RegSvcs.exe
PID 1668 wrote to memory of 1584	1668	proforma invoice.exe	RegSvcs.exe
PID 1668 wrote to memory of 1584	1668	proforma invoice.exe	RegSvcs.exe
PID 1668 wrote to memory of 1584	1668	proforma invoice.exe	RegSvcs.exe
PID 1668 wrote to memory of 1584	1668	proforma invoice.exe	RegSvcs.exe
PID 1668 wrote to memory of 1584	1668	proforma invoice.exe	RegSvcs.exe
PID 1668 wrote to memory of 1584	1668	proforma invoice.exe	RegSvcs.exe
PID 1668 wrote to memory of 1584	1668	proforma invoice.exe	RegSvcs.exe
PID 1668 wrote to memory of 1584	1668	proforma invoice.exe	RegSvcs.exe
PID 1668 wrote to memory of 1584	1668	proforma invoice.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe
"C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QoOHmrlf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp89D8.tmp"
2⤵
- Creates scheduled task(s)
PID:1336

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1584

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp89D8.tmp
MD5
47e3ea00c9d8fab887806827bd2225f3

SHA1
b9551786a4cfb6d707bb5d9e9fa324e316740645

SHA256
add02fa0a4e5f7c48fc9b0e253517218a87d41613725b6ff769f87122ec4e594

SHA512
a12d0e24a42dfa14f7fdae6205250516142bd1e58d36fb54ed48390e8bb4ad545d2ab78b1fae5714d312f439c975f79937608634cccbb70b20f087ddd38eaf6b

Download Submit
memory/1336-5-0x0000000000000000-mapping.dmp

Download
memory/1584-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1584-8-0x0000000000446C7E-mapping.dmp

Download
memory/1584-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1584-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1584-11-0x0000000073790000-0x0000000073E7E000-memory.dmp

Filesize
6.9MB

Download
memory/1668-0-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/1668-1-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/1668-3-0x00000000002E0000-0x00000000002EF000-memory.dmp

Filesize
60KB

Download
memory/1668-4-0x0000000004160000-0x00000000041AD000-memory.dmp

Filesize
308KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads