agenttesla | a921089f3327d511043c7feffed9985bfb3a7ca5ee43e0724c344ad8cb63fbf5

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 09:03

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General

Target

f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe
Size

697KB
MD5

f8060f5e2afbac91584c487be894b767
SHA1

a69bec5e4b1124d6e5501c5d6690fc1f1f8a8734
SHA256

a921089f3327d511043c7feffed9985bfb3a7ca5ee43e0724c344ad8cb63fbf5
SHA512

da217d4e52342d2e7bc61cb54f3581380817fc3836b6e0c2117cf77c32a5862d436b06a75c29643a9e305cd05aa15c097bb12027754153099a71b93d7baad431
SSDEEP

12288:U59M/CUUzFaobCO4kBSzCg6UPH//tg+QZYhSQPupMs+uOVPX8I:UrYUhzRsCg6Yn++QKSMMMs+3

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Signatures

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

AgentTesla payload 7 IoCs

resource	yara_rule
behavioral1/memory/2220-12-0x0000000000400000-0x0000000000484000-memory.dmp	family_agenttesla
behavioral1/memory/2220-11-0x00000000002C0000-0x00000000002FC000-memory.dmp	family_agenttesla
behavioral1/memory/2220-10-0x00000000002C0000-0x00000000002FC000-memory.dmp	family_agenttesla
behavioral1/memory/2220-9-0x0000000000400000-0x0000000000484000-memory.dmp	family_agenttesla
behavioral1/memory/2220-8-0x0000000000400000-0x0000000000484000-memory.dmp	family_agenttesla
behavioral1/memory/2220-23-0x0000000000400000-0x0000000000484000-memory.dmp	family_agenttesla
behavioral1/memory/2220-24-0x0000000000400000-0x0000000000484000-memory.dmp	family_agenttesla

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 3 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

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	api.ipify.org
3	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2288 set thread context of 2220	2288	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe	30

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2220-4-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2220-12-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2220-9-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2220-8-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2220-6-0x0000000000400000-0x0000000000484000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2288	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe
2220	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe
2220	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2288	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2220	2288	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2220	2288	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2220	2288	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe	30
PID 2288 wrote to memory of 2220	2288	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Users\Admin\AppData\Local\Temp\f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f8060f5e2afbac91584c487be894b767_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2220-9-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2220-10-0x00000000002C0000-0x00000000002FC000-memory.dmp

Filesize
240KB

Download
memory/2220-4-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2220-24-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2220-23-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2220-6-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2220-11-0x00000000002C0000-0x00000000002FC000-memory.dmp

Filesize
240KB

Download
memory/2220-12-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2220-8-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2288-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2288-2-0x0000000001EA0000-0x0000000001EB1000-memory.dmp

Filesize
68KB

Download
memory/2288-1-0x0000000001EA0000-0x0000000001EB1000-memory.dmp

Filesize
68KB

Download
memory/2288-3-0x0000000001EC0000-0x0000000001EC1000-memory.dmp

Filesize
4KB

Download
memory/2288-7-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download