agenttesla | b234fd2b368732a6c68a39b2d0c4386764e089a3f0bd74e595c73b40bc0c1c7d

General

Target

f7d523e122590530aede01448916e4cd_JaffaCakes118.exe
Size

1.1MB
MD5

f7d523e122590530aede01448916e4cd
SHA1

2387ad67eea7eb202c900ae1a283abae7a0e4515
SHA256

b234fd2b368732a6c68a39b2d0c4386764e089a3f0bd74e595c73b40bc0c1c7d
SHA512

68041d0b51299cbb16c75ebca5f99d212893d30f7792bb34d4624a0b75edba18e737459b73194e102caf3bde80e78876bd594bee8e23aa7bbfbf70236bd5c58f
SSDEEP

24576:o48bLqjqfWg/dq64JadiezwCGRRDFP4sUmpSL:R8bIB64Ja1aGEp

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rgp.com.pk
Port:
587
Username:
[email protected]
Password:
pvr999

Signatures

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

AgentTesla payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2760-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2760-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2760-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2760-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2760-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2760-21-0x00000000049F0000-0x0000000004A30000-memory.dmp	family_agenttesla
behavioral1/memory/2760-24-0x00000000049F0000-0x0000000004A30000-memory.dmp	family_agenttesla

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral1/memory/2872-3-0x0000000000540000-0x0000000000552000-memory.dmp	CustAttr

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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\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

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f7d523e122590530aede01448916e4cd_JaffaCakes118.exe

description pid process target process

PID 2872 set thread context of 2760 2872 f7d523e122590530aede01448916e4cd_JaffaCakes118.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

2760 RegSvcs.exe
2760 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2760 RegSvcs.exe

description	pid	process	target process
PID 2872 set thread context of 2760	2872	f7d523e122590530aede01448916e4cd_JaffaCakes118.exe	RegSvcs.exe

pid	process
2760	RegSvcs.exe
2760	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2760	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

f7d523e122590530aede01448916e4cd_JaffaCakes118.exe

description	pid	process	target process
PID 2872 wrote to memory of 2760	2872	f7d523e122590530aede01448916e4cd_JaffaCakes118.exe	RegSvcs.exe
PID 2872 wrote to memory of 2760	2872	f7d523e122590530aede01448916e4cd_JaffaCakes118.exe	RegSvcs.exe
PID 2872 wrote to memory of 2760	2872	f7d523e122590530aede01448916e4cd_JaffaCakes118.exe	RegSvcs.exe
PID 2872 wrote to memory of 2760	2872	f7d523e122590530aede01448916e4cd_JaffaCakes118.exe	RegSvcs.exe
PID 2872 wrote to memory of 2760	2872	f7d523e122590530aede01448916e4cd_JaffaCakes118.exe	RegSvcs.exe
PID 2872 wrote to memory of 2760	2872	f7d523e122590530aede01448916e4cd_JaffaCakes118.exe	RegSvcs.exe
PID 2872 wrote to memory of 2760	2872	f7d523e122590530aede01448916e4cd_JaffaCakes118.exe	RegSvcs.exe
PID 2872 wrote to memory of 2760	2872	f7d523e122590530aede01448916e4cd_JaffaCakes118.exe	RegSvcs.exe
PID 2872 wrote to memory of 2760	2872	f7d523e122590530aede01448916e4cd_JaffaCakes118.exe	RegSvcs.exe
PID 2872 wrote to memory of 2760	2872	f7d523e122590530aede01448916e4cd_JaffaCakes118.exe	RegSvcs.exe
PID 2872 wrote to memory of 2760	2872	f7d523e122590530aede01448916e4cd_JaffaCakes118.exe	RegSvcs.exe
PID 2872 wrote to memory of 2760	2872	f7d523e122590530aede01448916e4cd_JaffaCakes118.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\f7d523e122590530aede01448916e4cd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f7d523e122590530aede01448916e4cd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2872

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2760

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2760-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2760-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2760-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2760-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2760-24-0x00000000049F0000-0x0000000004A30000-memory.dmp

Filesize
256KB

Download
memory/2760-23-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2760-21-0x00000000049F0000-0x0000000004A30000-memory.dmp

Filesize
256KB

Download
memory/2760-20-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2760-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2760-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2760-26-0x00000000049F0000-0x0000000004A30000-memory.dmp

Filesize
256KB

Download
memory/2760-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2760-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2872-6-0x0000000004DC0000-0x0000000004E44000-memory.dmp

Filesize
528KB

Download
memory/2872-16-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2872-0-0x0000000000110000-0x000000000022E000-memory.dmp

Filesize
1.1MB

Download
memory/2872-2-0x0000000004340000-0x0000000004380000-memory.dmp

Filesize
256KB

Download
memory/2872-7-0x00000000042E0000-0x000000000431E000-memory.dmp

Filesize
248KB

Download
memory/2872-1-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2872-5-0x0000000004340000-0x0000000004380000-memory.dmp

Filesize
256KB

Download
memory/2872-4-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2872-3-0x0000000000540000-0x0000000000552000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads