agenttesla | 3df29e22465d330177200d74c82358ad40fadd2e9f1d2b8d352949ee1ff139f0

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
07-04-2024 22:16

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General

Target

e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe
Size

780KB
MD5

e5fae8d6d6d9971ed63e7574a848fe89
SHA1

2bf39781806c647dead965c99fbdb1ac7785be88
SHA256

3df29e22465d330177200d74c82358ad40fadd2e9f1d2b8d352949ee1ff139f0
SHA512

f7132637bfa521aef266ebd5c7a18636ca814b5f0c594cf48c97a49c874f5e9fdfbdd650dd9d3920f68c97ab7b5c84b8cf1682ee9e52252bb476a23a177449d9
SSDEEP

24576:znN+C8bmOKhtPU+fmaB98IfLSe0uFLG8/R+qChZUMkLz+qcPNciJD9iumhZ0s/Yz:YZbmOssBR9

Score

10^/10

agenttesla agilenet collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.merchantexint.com
Port:
587
Username:
[email protected]
Password:
merW&13@

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/3016-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

3016 InstallUtil.exe

pid	process
3016	InstallUtil.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

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

agilenet

Processes:

resource	yara_rule
behavioral2/memory/2500-5-0x0000000005F70000-0x0000000005F98000-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-1-5-21-817259280-2658881748-983986378-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\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:

InstallUtil.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hZpzJs = "C:\\Users\\Admin\\AppData\\Roaming\\hZpzJs\\hZpzJs.exe"	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe

description pid process target process

PID 2500 set thread context of 3016 2500 e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe InstallUtil.exe

description	pid	process	target process
PID 2500 set thread context of 3016	2500	e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exeInstallUtil.exe

pid	process
2500	e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe
2500	e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe
2500	e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe
3016	InstallUtil.exe
3016	InstallUtil.exe
3016	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 2500 e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe
Token: SeDebugPrivilege 3016 InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	2500	e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe
Token: SeDebugPrivilege	3016	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe

description	pid	process	target process
PID 2500 wrote to memory of 3016	2500	e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe	InstallUtil.exe
PID 2500 wrote to memory of 3016	2500	e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe	InstallUtil.exe
PID 2500 wrote to memory of 3016	2500	e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe	InstallUtil.exe
PID 2500 wrote to memory of 3016	2500	e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe	InstallUtil.exe
PID 2500 wrote to memory of 3016	2500	e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe	InstallUtil.exe
PID 2500 wrote to memory of 3016	2500	e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe	InstallUtil.exe
PID 2500 wrote to memory of 3016	2500	e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe	InstallUtil.exe
PID 2500 wrote to memory of 3016	2500	e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\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-1-5-21-817259280-2658881748-983986378-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5fae8d6d6d9971ed63e7574a848fe89_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2500

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3016

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3688 --field-trial-handle=2244,i,11986678581565715302,451159359636456336,262144 --variations-seed-version /prefetch:8
1⤵
PID:4480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
41KB

MD5
5d4073b2eb6d217c19f2b22f21bf8d57

SHA1
f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

SHA256
ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

SHA512
9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

Download Submit
memory/2500-12-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/2500-2-0x0000000004DF0000-0x0000000005144000-memory.dmp

Filesize
3.3MB

Download
memory/2500-14-0x0000000006480000-0x0000000006494000-memory.dmp

Filesize
80KB

Download
memory/2500-4-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/2500-15-0x0000000009040000-0x0000000009046000-memory.dmp

Filesize
24KB

Download
memory/2500-6-0x0000000006010000-0x0000000006076000-memory.dmp

Filesize
408KB

Download
memory/2500-7-0x0000000005FE0000-0x0000000006002000-memory.dmp

Filesize
136KB

Download
memory/2500-22-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/2500-9-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/2500-10-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/2500-11-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/2500-1-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/2500-3-0x0000000004D30000-0x0000000004DCC000-memory.dmp

Filesize
624KB

Download
memory/2500-5-0x0000000005F70000-0x0000000005F98000-memory.dmp

Filesize
160KB

Download
memory/2500-8-0x0000000006230000-0x00000000062C2000-memory.dmp

Filesize
584KB

Download
memory/2500-0-0x00000000002D0000-0x000000000039A000-memory.dmp

Filesize
808KB

Download
memory/3016-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3016-23-0x0000000005490000-0x0000000005A34000-memory.dmp

Filesize
5.6MB

Download
memory/3016-21-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/3016-24-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/3016-25-0x0000000005D80000-0x0000000005D98000-memory.dmp

Filesize
96KB

Download
memory/3016-27-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/3016-28-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/3016-29-0x00000000063E0000-0x0000000006430000-memory.dmp

Filesize
320KB

Download
memory/3016-30-0x0000000006430000-0x000000000643A000-memory.dmp

Filesize
40KB

Download