agenttesla | e609b0840d4e812a94c5955be5718583a4f589ad7dcc7e0893164d50bd000bd9

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 11:06

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General

Target

fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe
Size

311KB
MD5

fa4ba824a689d6d8bf6738b41311951b
SHA1

31001aea6e517e6d02d586ae444e9318f9c1923b
SHA256

e609b0840d4e812a94c5955be5718583a4f589ad7dcc7e0893164d50bd000bd9
SHA512

3eb512a33113dc4c51123667fbfc1d2f4762280dcbdbaa4178ca51e9916177895f1561faba5d2149582b263f2fef56874459d194033ab09434fb4a31294f5aee
SSDEEP

6144:b8LxBBXsBdONpPvE3XpMHdlYP03IqiJURlHB6p55/2LRYSbRvpqG31pQ68PTqRI2:ysBdONpPvXe036JUnHB6p55p4D3TZU72

Score

10^/10

agenttesla collection credential_access discovery 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

resource	yara_rule
behavioral1/memory/572-9-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/572-12-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/572-13-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/572-14-0x0000000004490000-0x00000000044CC000-memory.dmp	family_agenttesla

Loads dropped DLL 1 IoCs

pid	Process
2324	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\bin2 = "C:\\Users\\Admin\\AppData\\Roaming\\bin2\\bin2.exe"	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2324 set thread context of 572	2324	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
572	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe
572	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	572	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 572	2324	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe	31
PID 2324 wrote to memory of 572	2324	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe	31
PID 2324 wrote to memory of 572	2324	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe	31
PID 2324 wrote to memory of 572	2324	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe	31
PID 2324 wrote to memory of 572	2324	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe	31
PID 2324 wrote to memory of 572	2324	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe	31
PID 2324 wrote to memory of 572	2324	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe	31
PID 2324 wrote to memory of 572	2324	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe	31
PID 2324 wrote to memory of 572	2324	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe	31
PID 2324 wrote to memory of 572	2324	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe	31
PID 2324 wrote to memory of 572	2324	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Users\Admin\AppData\Local\Temp\fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fa4ba824a689d6d8bf6738b41311951b_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:572

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

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 Information Discovery

T1082

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsoD357.tmp\ojbixxjlzk.dll

Filesize
30KB

MD5
f5480d6c032845135dff9ebf66c46d76

SHA1
e76f6c75aca31ab5c1ff4695b45ec49daef23256

SHA256
13f7ffcefcbba343a302edaf9ceccefcf6dbae294bb9a735869d9f3fc7c522dd

SHA512
5164a9c8c470308a17a82f39209ea734893c7f5ccbafe9fe67bc98bb70432f46dd5faad61ad6dd8da86a88d89eb6deefb5d626abffd4ed8e8e72eba6c314d575

Download Submit
memory/572-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/572-12-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/572-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/572-14-0x0000000004490000-0x00000000044CC000-memory.dmp

Filesize
240KB

Download
memory/2324-7-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/2324-11-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download