agenttesla | 8d4a01b04439bd4ea04fca05aa078367da91aefea6dbe7b317c3fa16ca9d3354

Analysis

max time kernel
147s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-05-2024 11:09

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General

Target

1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe
Size

895KB
MD5

1c35b8422e6ad13accb39e4e6a0b00fc
SHA1

ef1abf8e26b28de0c3d2f17e554dd3b1edbf0253
SHA256

8d4a01b04439bd4ea04fca05aa078367da91aefea6dbe7b317c3fa16ca9d3354
SHA512

c4f9400b62bd977828f058acd52e7be13a2138dad81f767badf91b6060927f9b04cf08f64197475f5a1cb4bfd9f0046f6fffe035cfa700659774766c23d9d596
SSDEEP

12288:CYS1QbvgWK5WpLxieT8n7vSbbiHktlSFyg82MIM+C0q5xQ8w:CxQbvxaW7ijn7vSbb7IQIes

Score

10^/10

agenttesla agilenet collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1948-1-0x0000000001050000-0x0000000001134000-memory.dmp	family_agenttesla
\Users\Admin\mhje.exe	family_agenttesla
behavioral1/memory/1724-182-0x0000000001190000-0x0000000001274000-memory.dmp	family_agenttesla
behavioral1/memory/320-360-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

mhje.exeInstallUtil.exe

pid process

1724 mhje.exe
320 InstallUtil.exe
Loads dropped DLL 4 IoCs

Processes:

1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exemhje.exe

pid process

1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe
1948 1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe
1724 mhje.exe
1724 mhje.exe

pid	process
1724	mhje.exe
320	InstallUtil.exe

Obfuscated with Agile.Net obfuscator 33 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral1/memory/1948-2-0x0000000000960000-0x0000000000988000-memory.dmp	agile_net
behavioral1/memory/1948-32-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-50-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-68-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-72-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-70-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-66-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-64-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-62-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-60-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-58-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-56-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-54-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-52-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-48-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-46-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-44-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-42-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-40-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-38-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-36-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-34-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-30-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-28-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-26-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-24-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-22-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-20-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-18-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-16-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-14-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-12-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net
behavioral1/memory/1948-11-0x0000000000960000-0x0000000000981000-memory.dmp	agile_net

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.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	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\nomnx = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\mhje.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

mhje.exe

description pid process target process

PID 1724 set thread context of 320 1724 mhje.exe InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 1724 set thread context of 320	1724	mhje.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exemhje.exeInstallUtil.exe

pid	process
1948	1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe
1948	1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe
1948	1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe
1724	mhje.exe
1724	mhje.exe
1724	mhje.exe
320	InstallUtil.exe
320	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exemhje.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1948	1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe
Token: SeDebugPrivilege	1724	mhje.exe
Token: SeDebugPrivilege	320	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

320 InstallUtil.exe

pid	process
320	InstallUtil.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.execmd.exemhje.exe

description	pid	process	target process
PID 1948 wrote to memory of 2832	1948	1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe	cmd.exe
PID 1948 wrote to memory of 2832	1948	1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe	cmd.exe
PID 1948 wrote to memory of 2832	1948	1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe	cmd.exe
PID 1948 wrote to memory of 2832	1948	1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe	cmd.exe
PID 2832 wrote to memory of 2712	2832	cmd.exe	reg.exe
PID 2832 wrote to memory of 2712	2832	cmd.exe	reg.exe
PID 2832 wrote to memory of 2712	2832	cmd.exe	reg.exe
PID 2832 wrote to memory of 2712	2832	cmd.exe	reg.exe
PID 1948 wrote to memory of 1724	1948	1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe	mhje.exe
PID 1948 wrote to memory of 1724	1948	1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe	mhje.exe
PID 1948 wrote to memory of 1724	1948	1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe	mhje.exe
PID 1948 wrote to memory of 1724	1948	1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe	mhje.exe
PID 1724 wrote to memory of 320	1724	mhje.exe	InstallUtil.exe
PID 1724 wrote to memory of 320	1724	mhje.exe	InstallUtil.exe
PID 1724 wrote to memory of 320	1724	mhje.exe	InstallUtil.exe
PID 1724 wrote to memory of 320	1724	mhje.exe	InstallUtil.exe
PID 1724 wrote to memory of 320	1724	mhje.exe	InstallUtil.exe
PID 1724 wrote to memory of 320	1724	mhje.exe	InstallUtil.exe
PID 1724 wrote to memory of 320	1724	mhje.exe	InstallUtil.exe
PID 1724 wrote to memory of 320	1724	mhje.exe	InstallUtil.exe
PID 1724 wrote to memory of 320	1724	mhje.exe	InstallUtil.exe
PID 1724 wrote to memory of 320	1724	mhje.exe	InstallUtil.exe
PID 1724 wrote to memory of 320	1724	mhje.exe	InstallUtil.exe
PID 1724 wrote to memory of 320	1724	mhje.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.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	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.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	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1c35b8422e6ad13accb39e4e6a0b00fc_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v nomnx /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\mhje.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2832

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v nomnx /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\mhje.exe"
3⤵
- Adds Run key to start application
PID:2712

C:\Users\Admin\mhje.exe
"C:\Users\Admin\mhje.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:320

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Local\Temp\InstallUtil.exe
Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Local\Temp\c08e67e7-d17e-42f4-84a8-059771d01a58\AgileDotNetRT.dll
Filesize
94KB

MD5
14ff402962ad21b78ae0b4c43cd1f194

SHA1
f8a510eb26666e875a5bdd1cadad40602763ad72

SHA256
fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

SHA512
daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

Download Submit
\Users\Admin\mhje.exe
Filesize
895KB

MD5
1c35b8422e6ad13accb39e4e6a0b00fc

SHA1
ef1abf8e26b28de0c3d2f17e554dd3b1edbf0253

SHA256
8d4a01b04439bd4ea04fca05aa078367da91aefea6dbe7b317c3fa16ca9d3354

SHA512
c4f9400b62bd977828f058acd52e7be13a2138dad81f767badf91b6060927f9b04cf08f64197475f5a1cb4bfd9f0046f6fffe035cfa700659774766c23d9d596

Download Submit
memory/320-360-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1724-344-0x00000000005F0000-0x00000000005FA000-memory.dmp

Filesize
40KB

Download
memory/1724-182-0x0000000001190000-0x0000000001274000-memory.dmp

Filesize
912KB

Download
memory/1948-36-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-28-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-72-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-70-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-66-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-64-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-62-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-60-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-58-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-56-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-54-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-52-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-48-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-46-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-44-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-42-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-40-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-38-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/1948-34-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-30-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-68-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-26-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-24-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-22-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-20-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-18-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-16-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-14-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-12-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-11-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-10-0x00000000746C0000-0x0000000074740000-memory.dmp

Filesize
512KB

Download
memory/1948-169-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/1948-170-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/1948-172-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/1948-174-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/1948-50-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-32-0x0000000000960000-0x0000000000981000-memory.dmp

Filesize
132KB

Download
memory/1948-181-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/1948-3-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/1948-2-0x0000000000960000-0x0000000000988000-memory.dmp

Filesize
160KB

Download
memory/1948-1-0x0000000001050000-0x0000000001134000-memory.dmp

Filesize
912KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads