agenttesla | 6ef674a53af20825d4f58038e4d73b15a0bfda03a38f72c28d01df0017c55446

General

Target

RFQ-BE2100.exe
Size

1.5MB
MD5

5d5cbf47ab3f53d8cfaaea4824ecfa95
SHA1

176e5f18435b5aa25c5a355b43eb82897e82b367
SHA256

42f7c2e83a58bc634ca3953f74a959e42d5124e2e09bf4c8e76ae285c61f784d
SHA512

2ddcdda605e55d3fe1d6b050ab4012bffc0a1ed90bedfd1df666f649e9886717cdb38ea99efba20e3b71f09d9e120ae5dea8416116393112fc2424f607e3c790

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.coastalinternational.in
Port:
587
Username:
[email protected]
Password:
r7i7t7h7u

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/2796-132-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.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	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ-BE2100.exe

description pid process target process

PID 3564 set thread context of 2796 3564 RFQ-BE2100.exe MSBuild.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3116 2796 WerFault.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

2796 MSBuild.exe
2796 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 2796 MSBuild.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

RFQ-BE2100.exe

pid process

3564 RFQ-BE2100.exe
3564 RFQ-BE2100.exe
3564 RFQ-BE2100.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

RFQ-BE2100.exe

pid process

3564 RFQ-BE2100.exe
3564 RFQ-BE2100.exe
3564 RFQ-BE2100.exe

description	pid	process	target process
PID 3564 set thread context of 2796	3564	RFQ-BE2100.exe	MSBuild.exe

pid	pid_target	process	target process
3116	2796	WerFault.exe	MSBuild.exe

pid	process
2796	MSBuild.exe
2796	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	2796	MSBuild.exe

pid	process
3564	RFQ-BE2100.exe
3564	RFQ-BE2100.exe
3564	RFQ-BE2100.exe

pid	process
3564	RFQ-BE2100.exe
3564	RFQ-BE2100.exe
3564	RFQ-BE2100.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

RFQ-BE2100.exe

description	pid	process	target process
PID 3564 wrote to memory of 2796	3564	RFQ-BE2100.exe	MSBuild.exe
PID 3564 wrote to memory of 2796	3564	RFQ-BE2100.exe	MSBuild.exe
PID 3564 wrote to memory of 2796	3564	RFQ-BE2100.exe	MSBuild.exe
PID 3564 wrote to memory of 2796	3564	RFQ-BE2100.exe	MSBuild.exe
PID 3564 wrote to memory of 2796	3564	RFQ-BE2100.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.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	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.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	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\RFQ-BE2100.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ-BE2100.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3564
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2796
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 1536
    3⤵
    - Program crash
    PID:3116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2796 -ip 2796
1⤵
PID:4848

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2796-131-0x0000000000000000-mapping.dmp

Download
memory/2796-132-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2796-138-0x0000000005CF0000-0x0000000006294000-memory.dmp

Filesize
5.6MB

Download
memory/2796-139-0x0000000005510000-0x00000000055A2000-memory.dmp

Filesize
584KB

Download
memory/2796-140-0x0000000005740000-0x00000000057DC000-memory.dmp

Filesize
624KB

Download
memory/2796-141-0x0000000005C50000-0x0000000005CB6000-memory.dmp

Filesize
408KB

Download
memory/2796-142-0x0000000006A70000-0x0000000006AC0000-memory.dmp

Filesize
320KB

Download
memory/3564-130-0x0000000003F80000-0x0000000004018000-memory.dmp

Filesize
608KB

Download
memory/3564-137-0x0000000004E50000-0x0000000004EE8000-memory.dmp

Filesize
608KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads