agenttesla | d187c78ee3fb9751461fe0df53c768aeb8fc8b68e26e92ac04f7a40c1e21ac9c

General

Target

SWIFT.exe
Size

1.3MB
MD5

e07c6e6de63bdd8421c369c9a39037fb
SHA1

480ea048101330927ce18c105c70a0dc4505a7fb
SHA256

3638d193b36a335bb93dc5f978fb5dc35c23a73d0e6c62a4316181286dc3cb57
SHA512

e82fda2359558e731db3fe83c8e6b2ec51f197efda9f8bd393e2978f414091faea4af92393463e4dada4c5c8fba3e77dbe47599a3b56548870c642b86b98ba73

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.varda.com.tr
Port:
587
Username:
[email protected]
Password:
varda9997929

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/1488-138-0x0000000000400000-0x0000000000474000-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:

SWIFT.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation SWIFT.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-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	SWIFT.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SWIFT.exe

description pid process target process

PID 1984 set thread context of 1488 1984 SWIFT.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

1320 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

2796 REG.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

SWIFT.exeRegSvcs.exe

pid process

1984 SWIFT.exe
1488 RegSvcs.exe
1488 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SWIFT.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1984 SWIFT.exe
Token: SeDebugPrivilege 1488 RegSvcs.exe

description	pid	process	target process
PID 1984 set thread context of 1488	1984	SWIFT.exe	RegSvcs.exe

pid	process
1320	schtasks.exe

pid	process
2796	REG.exe

pid	process
1984	SWIFT.exe
1488	RegSvcs.exe
1488	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1984	SWIFT.exe
Token: SeDebugPrivilege	1488	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

SWIFT.exeRegSvcs.exe

description	pid	process	target process
PID 1984 wrote to memory of 1320	1984	SWIFT.exe	schtasks.exe
PID 1984 wrote to memory of 1320	1984	SWIFT.exe	schtasks.exe
PID 1984 wrote to memory of 1320	1984	SWIFT.exe	schtasks.exe
PID 1984 wrote to memory of 1488	1984	SWIFT.exe	RegSvcs.exe
PID 1984 wrote to memory of 1488	1984	SWIFT.exe	RegSvcs.exe
PID 1984 wrote to memory of 1488	1984	SWIFT.exe	RegSvcs.exe
PID 1984 wrote to memory of 1488	1984	SWIFT.exe	RegSvcs.exe
PID 1984 wrote to memory of 1488	1984	SWIFT.exe	RegSvcs.exe
PID 1984 wrote to memory of 1488	1984	SWIFT.exe	RegSvcs.exe
PID 1984 wrote to memory of 1488	1984	SWIFT.exe	RegSvcs.exe
PID 1984 wrote to memory of 1488	1984	SWIFT.exe	RegSvcs.exe
PID 1488 wrote to memory of 2796	1488	RegSvcs.exe	REG.exe
PID 1488 wrote to memory of 2796	1488	RegSvcs.exe	REG.exe
PID 1488 wrote to memory of 2796	1488	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SWIFT.exe
"C:\Users\Admin\AppData\Local\Temp\SWIFT.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RkQxWLpcZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF29D.tmp"
2⤵
- Creates scheduled task(s)
PID:1320

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:1488

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:2796

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\tmpF29D.tmp
Filesize
1KB

MD5
7bea02e2bba43dd61f5813e7d2cebb1c

SHA1
fc9bbea098a47056fea10a0d2b3c3a27b9c0eded

SHA256
45ef356a1d9a1b6563d90492a02f06b4b55256e26d1aaef2d36fb33cdd301057

SHA512
620e1e74c8b8a20029d7852ace02d7c3898dc53817b95cde0f274521133a1f2fdc9a4ce6879e8ce4dc10c9fde4aed05ec1990722caffe34781526bc128369572

Download Submit
memory/1320-135-0x0000000000000000-mapping.dmp

Download
memory/1488-139-0x0000000005E10000-0x0000000005E76000-memory.dmp

Filesize
408KB

Download
memory/1488-137-0x0000000000000000-mapping.dmp

Download
memory/1488-138-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1488-140-0x0000000006480000-0x00000000064D0000-memory.dmp

Filesize
320KB

Download
memory/1488-142-0x00000000064E0000-0x00000000064EA000-memory.dmp

Filesize
40KB

Download
memory/1984-133-0x0000000004E50000-0x0000000004E62000-memory.dmp

Filesize
72KB

Download
memory/1984-134-0x0000000005330000-0x00000000053CC000-memory.dmp

Filesize
624KB

Download
memory/1984-132-0x0000000004E80000-0x0000000004F12000-memory.dmp

Filesize
584KB

Download
memory/1984-131-0x0000000005580000-0x0000000005B24000-memory.dmp

Filesize
5.6MB

Download
memory/1984-130-0x0000000000340000-0x0000000000494000-memory.dmp

Filesize
1.3MB

Download
memory/2796-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads