agenttesla | c3372683261b447261620810696af6f9f7250ec7022b82c81895051039effcbd

General

Target

e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe
Size

543KB
MD5

e3ccf2ebcde0ac1e90b472f536d5ae9f
SHA1

8bf60eb66e488ce603a5f2b4bf5b469993cde809
SHA256

c3372683261b447261620810696af6f9f7250ec7022b82c81895051039effcbd
SHA512

22202ea47d4214f9ddcdfeb9e0d562fc5bc9ae28b744b6741466721e583e136c5251727adc8cd4a9c32f7794217e14e4380ae96fb6f90bf42bf505bb7669f1e7
SSDEEP

12288:8Rk6LdGRv2zv1gQbq4zprTZoUITnzq8jlTY/r1q:8xGY2QVprTZoHTzrjlTMr1q

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.thanhphet.asia
Port:
587
Username:
[email protected]
Password:
Daddyhandsome@1234
Email To:
[email protected]

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1220-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe

Looks up external IP address via web service 2 IoCs

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

flow	ioc
39	api.ipify.org
40	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4280 set thread context of 1220	4280	e3ccf2ebcde0ac1e90b472f536d5ae9f_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	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e3ccf2ebcde0ac1e90b472f536d5ae9f_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
4604	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4280	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe
1220	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe
1220	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4280	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe
Token: SeDebugPrivilege	1220	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1220	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4280 wrote to memory of 4604	4280	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe	91
PID 4280 wrote to memory of 4604	4280	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe	91
PID 4280 wrote to memory of 4604	4280	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe	91
PID 4280 wrote to memory of 1220	4280	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe	93
PID 4280 wrote to memory of 1220	4280	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe	93
PID 4280 wrote to memory of 1220	4280	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe	93
PID 4280 wrote to memory of 1220	4280	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe	93
PID 4280 wrote to memory of 1220	4280	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe	93
PID 4280 wrote to memory of 1220	4280	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe	93
PID 4280 wrote to memory of 1220	4280	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe	93
PID 4280 wrote to memory of 1220	4280	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e3ccf2ebcde0ac1e90b472f536d5ae9f_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:4280
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qGwHmYLb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp86EE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4604
- C:\Users\Admin\AppData\Local\Temp\e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e3ccf2ebcde0ac1e90b472f536d5ae9f_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:1220

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

3

T1552

Credentials In Files

3

T1552.001

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\e3ccf2ebcde0ac1e90b472f536d5ae9f_JaffaCakes118.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp86EE.tmp

Filesize
1KB

MD5
3ad50c0a1a591ba6c3dd0a8f4ba21c2a

SHA1
1a451850ac64517fca1514da2785ce72e31f0637

SHA256
98ca4e4e942269932ab68db29b94372393fe073024a9e577102eaa6721edf5de

SHA512
511e2a3d26c1068bafa84b4fdbc0bbc4825074fc2663a1b005a88a369633af1f191553c2d40e788383b61518fdb158fffebc1ea6db19902e4178b33498e66e4d

Download Submit
memory/1220-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1220-28-0x00000000070C0000-0x0000000007110000-memory.dmp

Filesize
320KB

Download
memory/1220-27-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/1220-26-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/1220-25-0x00000000063C0000-0x0000000006426000-memory.dmp

Filesize
408KB

Download
memory/1220-24-0x0000000005730000-0x0000000005748000-memory.dmp

Filesize
96KB

Download
memory/1220-23-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/1220-21-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/4280-6-0x00000000058C0000-0x00000000058CA000-memory.dmp

Filesize
40KB

Download
memory/4280-7-0x0000000005980000-0x0000000005998000-memory.dmp

Filesize
96KB

Download
memory/4280-12-0x0000000006590000-0x00000000065D0000-memory.dmp

Filesize
256KB

Download
memory/4280-10-0x0000000006790000-0x00000000067E8000-memory.dmp

Filesize
352KB

Download
memory/4280-22-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/4280-9-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/4280-8-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/4280-11-0x0000000005C20000-0x0000000005C26000-memory.dmp

Filesize
24KB

Download
memory/4280-0-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/4280-5-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/4280-4-0x00000000059A0000-0x0000000005A3C000-memory.dmp

Filesize
624KB

Download
memory/4280-3-0x00000000057F0000-0x0000000005882000-memory.dmp

Filesize
584KB

Download
memory/4280-2-0x0000000005EB0000-0x0000000006454000-memory.dmp

Filesize
5.6MB

Download
memory/4280-1-0x0000000000DF0000-0x0000000000E7E000-memory.dmp

Filesize
568KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads