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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1736-63-0x0000000000400000-0x0000000000474000-memory.dmp	family_agenttesla
behavioral1/memory/1736-65-0x0000000000400000-0x0000000000474000-memory.dmp	family_agenttesla
behavioral1/memory/1736-66-0x0000000000400000-0x0000000000474000-memory.dmp	family_agenttesla
behavioral1/memory/1736-67-0x0000000000446E1E-mapping.dmp	family_agenttesla
behavioral1/memory/1736-69-0x0000000000400000-0x0000000000474000-memory.dmp	family_agenttesla
behavioral1/memory/1736-71-0x0000000000400000-0x0000000000474000-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

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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-1-5-21-1819626980-2277161760-1023733287-1000\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 1668 set thread context of 1736 1668 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

2040 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1220 REG.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

SWIFT.exeRegSvcs.exe

pid process

1668 SWIFT.exe
1736 RegSvcs.exe
1736 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SWIFT.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1668 SWIFT.exe
Token: SeDebugPrivilege 1736 RegSvcs.exe

description	pid	process	target process
PID 1668 set thread context of 1736	1668	SWIFT.exe	RegSvcs.exe

pid	process
2040	schtasks.exe

pid	process
1220	REG.exe

pid	process
1668	SWIFT.exe
1736	RegSvcs.exe
1736	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1668	SWIFT.exe
Token: SeDebugPrivilege	1736	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

SWIFT.exeRegSvcs.exe

description	pid	process	target process
PID 1668 wrote to memory of 2040	1668	SWIFT.exe	schtasks.exe
PID 1668 wrote to memory of 2040	1668	SWIFT.exe	schtasks.exe
PID 1668 wrote to memory of 2040	1668	SWIFT.exe	schtasks.exe
PID 1668 wrote to memory of 2040	1668	SWIFT.exe	schtasks.exe
PID 1668 wrote to memory of 1736	1668	SWIFT.exe	RegSvcs.exe
PID 1668 wrote to memory of 1736	1668	SWIFT.exe	RegSvcs.exe
PID 1668 wrote to memory of 1736	1668	SWIFT.exe	RegSvcs.exe
PID 1668 wrote to memory of 1736	1668	SWIFT.exe	RegSvcs.exe
PID 1668 wrote to memory of 1736	1668	SWIFT.exe	RegSvcs.exe
PID 1668 wrote to memory of 1736	1668	SWIFT.exe	RegSvcs.exe
PID 1668 wrote to memory of 1736	1668	SWIFT.exe	RegSvcs.exe
PID 1668 wrote to memory of 1736	1668	SWIFT.exe	RegSvcs.exe
PID 1668 wrote to memory of 1736	1668	SWIFT.exe	RegSvcs.exe
PID 1668 wrote to memory of 1736	1668	SWIFT.exe	RegSvcs.exe
PID 1668 wrote to memory of 1736	1668	SWIFT.exe	RegSvcs.exe
PID 1668 wrote to memory of 1736	1668	SWIFT.exe	RegSvcs.exe
PID 1736 wrote to memory of 1220	1736	RegSvcs.exe	REG.exe
PID 1736 wrote to memory of 1220	1736	RegSvcs.exe	REG.exe
PID 1736 wrote to memory of 1220	1736	RegSvcs.exe	REG.exe
PID 1736 wrote to memory of 1220	1736	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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-1-5-21-1819626980-2277161760-1023733287-1000\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⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RkQxWLpcZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF96D.tmp"
2⤵
- Creates scheduled task(s)
PID:2040

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:1736

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:1220

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF96D.tmp
Filesize
1KB

MD5
03efd87625417db12d80a238258daf44

SHA1
8f33dda210a3a8f74a70f5a05405c51e344aaee5

SHA256
b3732f76f68df8359b880712500887d107d4fc06d3aec8507d533ab669c4ba73

SHA512
ac1c3896273af7d5779854abb891ff3a9422d3b9536a8fb168e007afeb182c8dab7725a8364f2b0add60ef4d354cc22140aebe0b4abae745ba6f7a3200d4f448

Download Submit
memory/1220-73-0x0000000000000000-mapping.dmp

Download
memory/1668-54-0x0000000000970000-0x0000000000AC4000-memory.dmp

Filesize
1.3MB

Download
memory/1668-55-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download
memory/1668-56-0x00000000054F0000-0x000000000556C000-memory.dmp

Filesize
496KB

Download
memory/1668-57-0x0000000075401000-0x0000000075403000-memory.dmp

Filesize
8KB

Download
memory/1736-60-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1736-61-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1736-63-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1736-65-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1736-66-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1736-67-0x0000000000446E1E-mapping.dmp

Download
memory/1736-69-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/1736-71-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/2040-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads