agenttesla | fd1811b11af257706b725b9f4689ea8244e948ae5d83ea78869d19a50ebc7b86

General

Target

af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe
Size

1.5MB
MD5

af4f00409b3a2223e14874db6568bbed
SHA1

de5339354e14a9a4559c98315f5727fb23edfd30
SHA256

fd1811b11af257706b725b9f4689ea8244e948ae5d83ea78869d19a50ebc7b86
SHA512

b93e44dbf3a1d44dc4961d107bb0fa1293f31f7f8d18e16d250556ca38f2125a940a9d21ca57cb083357b8ba2c8aabc631b656470ed204cd8d3f89ee3ba025bd
SSDEEP

24576:XfNvR/bgGlgKSaZX9/nlLS1rJwY+t7OZZS5R0:XFvR/bgGlgcv/nNSZJwppO3B

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.ggraco.com
Port:
587
Username:
[email protected]
Password:
sync@#1235

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/4920-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4280 set thread context of 4920	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe	101

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	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe
4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe
4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe
4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe
4920	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe
4920	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe
Token: SeDebugPrivilege	4920	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4280 wrote to memory of 2912	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe	99
PID 4280 wrote to memory of 2912	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe	99
PID 4280 wrote to memory of 2912	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe	99
PID 4280 wrote to memory of 3200	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe	100
PID 4280 wrote to memory of 3200	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe	100
PID 4280 wrote to memory of 3200	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe	100
PID 4280 wrote to memory of 4920	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe	101
PID 4280 wrote to memory of 4920	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe	101
PID 4280 wrote to memory of 4920	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe	101
PID 4280 wrote to memory of 4920	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe	101
PID 4280 wrote to memory of 4920	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe	101
PID 4280 wrote to memory of 4920	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe	101
PID 4280 wrote to memory of 4920	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe	101
PID 4280 wrote to memory of 4920	4280	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe	101

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4280
- C:\Users\Admin\AppData\Local\Temp\af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe"
  2⤵
  PID:2912
- C:\Users\Admin\AppData\Local\Temp\af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe"
  2⤵
  PID:3200
- C:\Users\Admin\AppData\Local\Temp\af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\af4f00409b3a2223e14874db6568bbed_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:4920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\af4f00409b3a2223e14874db6568bbed_JaffaCakes118.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4280-10-0x0000000006BB0000-0x0000000006C50000-memory.dmp

Filesize
640KB

Download
memory/4280-16-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4280-3-0x0000000005370000-0x0000000005402000-memory.dmp

Filesize
584KB

Download
memory/4280-4-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4280-5-0x0000000005360000-0x000000000536A000-memory.dmp

Filesize
40KB

Download
memory/4280-6-0x0000000006A00000-0x0000000006A9C000-memory.dmp

Filesize
624KB

Download
memory/4280-7-0x00000000057D0000-0x00000000057EE000-memory.dmp

Filesize
120KB

Download
memory/4280-8-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/4280-9-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4280-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/4280-2-0x0000000005840000-0x0000000005DE4000-memory.dmp

Filesize
5.6MB

Download
memory/4280-1-0x0000000000810000-0x0000000000998000-memory.dmp

Filesize
1.5MB

Download
memory/4280-11-0x0000000009190000-0x00000000091CC000-memory.dmp

Filesize
240KB

Download
memory/4920-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4920-15-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4920-17-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4920-18-0x0000000005690000-0x00000000056A8000-memory.dmp

Filesize
96KB

Download
memory/4920-19-0x00000000064E0000-0x0000000006546000-memory.dmp

Filesize
408KB

Download
memory/4920-20-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4920-21-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4920-22-0x00000000068D0000-0x0000000006920000-memory.dmp

Filesize
320KB

Download

Analysis

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