agenttesla | 1715e3f94cd1ae1641255a9b20c63190e1a8efced96bfeaca65ab6a2aa69dda2

General

Target

f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe
Size

755KB
MD5

f1ddcd1ecdc0a5cc1165e8ff6a0f9a49
SHA1

b91d39c79edcb7b18ab64fb1a5c977f0fbea51a6
SHA256

1715e3f94cd1ae1641255a9b20c63190e1a8efced96bfeaca65ab6a2aa69dda2
SHA512

4fb08dd48ed8541873f64aabdf88e19e0fc0ddf2b95eb71fdcb67a717e82ec82eb16188796f52fa72bc624d99fdf79499d176823db375634706b3059a80f8dcd
SSDEEP

12288:9u8DA2iNeHK7zD3j+ld4SuKjkc2ED3Cm8Tqj1wBxy//WkDJMi2bvicJ8vHNZw:9u71bv3j+b4StQ1EDClmj+xy//hpgqct

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.atlmexco.com
Port:
587
Username:
[email protected]
Password:
Ma1301

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4936-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2368 set thread context of 4936	2368	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe	93

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 3 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	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1852	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2368	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe
4936	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe
4936	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2368	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe
Token: SeDebugPrivilege	4936	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4936	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1852	2368	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe	91
PID 2368 wrote to memory of 1852	2368	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe	91
PID 2368 wrote to memory of 1852	2368	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe	91
PID 2368 wrote to memory of 4936	2368	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe	93
PID 2368 wrote to memory of 4936	2368	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe	93
PID 2368 wrote to memory of 4936	2368	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe	93
PID 2368 wrote to memory of 4936	2368	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe	93
PID 2368 wrote to memory of 4936	2368	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe	93
PID 2368 wrote to memory of 4936	2368	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe	93
PID 2368 wrote to memory of 4936	2368	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe	93
PID 2368 wrote to memory of 4936	2368	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oyhgNy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6EC2.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1852
- C:\Users\Admin\AppData\Local\Temp\f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f1ddcd1ecdc0a5cc1165e8ff6a0f9a49_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6EC2.tmp

Filesize
1KB

MD5
e9a6f9b5a801f08b6c5847df5acb8c39

SHA1
2fe94b9106593e53451ef3de918560e31cfdc93f

SHA256
40d7f5ee83165cd7983adfd1ed71c08fea66753866b247c9cf4ca7f1b1a761d4

SHA512
f6d87607858994dc4fa5123bfa1bf78bcf3a83560126762249075af54ff15a5d6c5846d49887afefd2898129b1a28b7ac98cc616c94b59d0c2c2413a54203c1d

Download Submit
memory/2368-12-0x000000000B620000-0x000000000B65C000-memory.dmp

Filesize
240KB

Download
memory/2368-9-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/2368-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/2368-5-0x0000000005A30000-0x0000000005A3A000-memory.dmp

Filesize
40KB

Download
memory/2368-7-0x0000000005C30000-0x0000000005C86000-memory.dmp

Filesize
344KB

Download
memory/2368-6-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2368-8-0x00000000089A0000-0x00000000089B6000-memory.dmp

Filesize
88KB

Download
memory/2368-22-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2368-10-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2368-2-0x0000000005900000-0x000000000599C000-memory.dmp

Filesize
624KB

Download
memory/2368-4-0x0000000005AA0000-0x0000000005B32000-memory.dmp

Filesize
584KB

Download
memory/2368-3-0x0000000005FB0000-0x0000000006554000-memory.dmp

Filesize
5.6MB

Download
memory/2368-11-0x0000000008E50000-0x0000000008EF2000-memory.dmp

Filesize
648KB

Download
memory/2368-1-0x0000000000F10000-0x0000000000FD4000-memory.dmp

Filesize
784KB

Download
memory/4936-29-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4936-21-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4936-23-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4936-24-0x00000000058B0000-0x00000000058C8000-memory.dmp

Filesize
96KB

Download
memory/4936-25-0x00000000066F0000-0x0000000006756000-memory.dmp

Filesize
408KB

Download
memory/4936-26-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4936-27-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4936-28-0x0000000006D20000-0x0000000006D70000-memory.dmp

Filesize
320KB

Download
memory/4936-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads