agenttesla | 7b3f4356dee4abc9afc695a46d21c17c97e8fe6824718fb8720a66ed4e2a6dc9

General

Target

SOA.exe
Size

687KB
MD5

95cbcdfe7d89c89c759303a0e845d8b1
SHA1

3950ee91663e1142e889208c474ebc7d36995d5c
SHA256

f82fcb01f1334b2885bc090c3bc8bc587f64919b9739e95ffe12c9e5d5bc11cd
SHA512

c00438306fe5bfae406db98ea71779745ebbe4643c2993fb12a47a13dca2de5c71ec40a81cbf8d9e7ad3901b6921ef9e46d7bd01d597c89df6a494ed20493e31

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.palcoman.com
Port:
587
Username:
[email protected]
Password:
GgwWVBJ5

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3352-138-0x0000000000400000-0x000000000044C000-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
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

SOA.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation SOA.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	SOA.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	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-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gKWBf = "C:\\Users\\Admin\\AppData\\Roaming\\gKWBf\\gKWBf.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SOA.exe

description pid process target process

PID 332 set thread context of 3352 332 SOA.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

224 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

836 REG.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

SOA.exeRegSvcs.exe

pid process

332 SOA.exe
332 SOA.exe
332 SOA.exe
332 SOA.exe
3352 RegSvcs.exe
3352 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SOA.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 332 SOA.exe
Token: SeDebugPrivilege 3352 RegSvcs.exe

description	pid	process	target process
PID 332 set thread context of 3352	332	SOA.exe	RegSvcs.exe

pid	process
224	schtasks.exe

pid	process
836	REG.exe

pid	process
332	SOA.exe
332	SOA.exe
332	SOA.exe
332	SOA.exe
3352	RegSvcs.exe
3352	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	332	SOA.exe
Token: SeDebugPrivilege	3352	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

SOA.exeRegSvcs.exe

description	pid	process	target process
PID 332 wrote to memory of 224	332	SOA.exe	schtasks.exe
PID 332 wrote to memory of 224	332	SOA.exe	schtasks.exe
PID 332 wrote to memory of 224	332	SOA.exe	schtasks.exe
PID 332 wrote to memory of 3352	332	SOA.exe	RegSvcs.exe
PID 332 wrote to memory of 3352	332	SOA.exe	RegSvcs.exe
PID 332 wrote to memory of 3352	332	SOA.exe	RegSvcs.exe
PID 332 wrote to memory of 3352	332	SOA.exe	RegSvcs.exe
PID 332 wrote to memory of 3352	332	SOA.exe	RegSvcs.exe
PID 332 wrote to memory of 3352	332	SOA.exe	RegSvcs.exe
PID 332 wrote to memory of 3352	332	SOA.exe	RegSvcs.exe
PID 332 wrote to memory of 3352	332	SOA.exe	RegSvcs.exe
PID 3352 wrote to memory of 836	3352	RegSvcs.exe	REG.exe
PID 3352 wrote to memory of 836	3352	RegSvcs.exe	REG.exe
PID 3352 wrote to memory of 836	3352	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"C:\Users\Admin\AppData\Local\Temp\SOA.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:332

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AfRYffCadnbirk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8558.tmp"
2⤵
- Creates scheduled task(s)
PID:224

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3352

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
3⤵
- Modifies registry key
PID:836

Network

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

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8558.tmp
Filesize
1KB

MD5
559359fa4e06ba3fb7609ba043a6c352

SHA1
f123dc8da4c08bfca71fb1d341c71f0abc0a854e

SHA256
075eddddbef74816f0bcad06c9fd7963d910fbe5f2c716fb16dd7adfc813278c

SHA512
678172516fa058662d48a9fa011edc060cd1b1845896eface9ce8f44f9a62122b3379261722c9905120089b2d42690ee4c30ab83e26a0d7b9ccef1e61e439a7d

Download Submit
memory/224-135-0x0000000000000000-mapping.dmp

Download
memory/332-130-0x00000000008D0000-0x0000000000982000-memory.dmp

Filesize
712KB

Download
memory/332-131-0x0000000005850000-0x0000000005DF4000-memory.dmp

Filesize
5.6MB

Download
memory/332-132-0x00000000051F0000-0x0000000005282000-memory.dmp

Filesize
584KB

Download
memory/332-133-0x00000000051E0000-0x00000000051EA000-memory.dmp

Filesize
40KB

Download
memory/332-134-0x0000000008120000-0x00000000081BC000-memory.dmp

Filesize
624KB

Download
memory/836-141-0x0000000000000000-mapping.dmp

Download
memory/3352-137-0x0000000000000000-mapping.dmp

Download
memory/3352-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3352-139-0x0000000005C00000-0x0000000005C66000-memory.dmp

Filesize
408KB

Download
memory/3352-140-0x00000000068E0000-0x0000000006930000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads