agenttesla | 1a2283bb101bc94c20d48d0ad06f11ce6cb7d0ad76e117a4176b71900dd4c6b3

General

Target

1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe
Size

627KB
MD5

1363b11e2105d3486b2b5e8479c57a12
SHA1

b9d24a83153aa0af8b1d00214096ddc75d0464e1
SHA256

1a2283bb101bc94c20d48d0ad06f11ce6cb7d0ad76e117a4176b71900dd4c6b3
SHA512

ac431b6933b6b46e73e958efed679986df80b8b867536908375b36bef259e4521b6488dea91c30ceb1cfd92b0c26a1f5d044ea4d824eff2eaa3280191575765b
SSDEEP

12288:6mVMrkaDkW1wpB8faLg2z05c2/3y4hYcCowre+fOPXBDcexQzNkSBx4:WjoWSP/LVy/i4h1hMZfYXB4BzN5Bx4

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
sg2plcpnl0023.prod.sin2.secureserver.net
Port:
587
Username:
[email protected]
Password:
User@40378

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/2800-11-0x0000000000400000-0x000000000043C000-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-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\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-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe

description pid process target process

PID 4028 set thread context of 2800 4028 1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe RegSvcs.exe

description	pid	process	target process
PID 4028 set thread context of 2800	4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exeRegSvcs.exe

pid	process
4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe
4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe
4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe
4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe
2800	RegSvcs.exe
2800	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4028 1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe
Token: SeDebugPrivilege 2800 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe
Token: SeDebugPrivilege	2800	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe

description	pid	process	target process
PID 4028 wrote to memory of 2792	4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe	RegSvcs.exe
PID 4028 wrote to memory of 2792	4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe	RegSvcs.exe
PID 4028 wrote to memory of 2792	4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe	RegSvcs.exe
PID 4028 wrote to memory of 2800	4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe	RegSvcs.exe
PID 4028 wrote to memory of 2800	4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe	RegSvcs.exe
PID 4028 wrote to memory of 2800	4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe	RegSvcs.exe
PID 4028 wrote to memory of 2800	4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe	RegSvcs.exe
PID 4028 wrote to memory of 2800	4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe	RegSvcs.exe
PID 4028 wrote to memory of 2800	4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe	RegSvcs.exe
PID 4028 wrote to memory of 2800	4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe	RegSvcs.exe
PID 4028 wrote to memory of 2800	4028	1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\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-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1363b11e2105d3486b2b5e8479c57a12_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4028

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:2792

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:2800

Network

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/2800-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2800-23-0x0000000004F10000-0x0000000004F20000-memory.dmp

Filesize
64KB

Download
memory/2800-22-0x0000000006380000-0x00000000063D0000-memory.dmp

Filesize
320KB

Download
memory/2800-20-0x0000000004F10000-0x0000000004F20000-memory.dmp

Filesize
64KB

Download
memory/2800-19-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/2800-17-0x0000000005EC0000-0x0000000005F26000-memory.dmp

Filesize
408KB

Download
memory/2800-16-0x0000000004F30000-0x0000000004F48000-memory.dmp

Filesize
96KB

Download
memory/2800-15-0x0000000004F10000-0x0000000004F20000-memory.dmp

Filesize
64KB

Download
memory/2800-13-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/4028-5-0x0000000004CF0000-0x0000000004CFA000-memory.dmp

Filesize
40KB

Download
memory/4028-10-0x00000000064D0000-0x0000000006554000-memory.dmp

Filesize
528KB

Download
memory/4028-9-0x0000000006330000-0x00000000063CC000-memory.dmp

Filesize
624KB

Download
memory/4028-8-0x0000000004F60000-0x0000000004F70000-memory.dmp

Filesize
64KB

Download
memory/4028-14-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/4028-7-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/4028-6-0x0000000005300000-0x000000000530A000-memory.dmp

Filesize
40KB

Download
memory/4028-0-0x00000000002A0000-0x0000000000344000-memory.dmp

Filesize
656KB

Download
memory/4028-4-0x0000000004F60000-0x0000000004F70000-memory.dmp

Filesize
64KB

Download
memory/4028-3-0x0000000004D60000-0x0000000004DF2000-memory.dmp

Filesize
584KB

Download
memory/4028-2-0x0000000005310000-0x00000000058B4000-memory.dmp

Filesize
5.6MB

Download
memory/4028-1-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads