agenttesla | 7410ac67979b82ac850d90f1e3a66494c958952c54fcd1035f78f3b84ed4d7b5

General

Target

6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
Size

605KB
MD5

6360cb9fe59b8ae041c11f651e377c1e
SHA1

b89170abea3e65a825aecd679e047d4839654fca
SHA256

7410ac67979b82ac850d90f1e3a66494c958952c54fcd1035f78f3b84ed4d7b5
SHA512

55ad9dbe397e14c43dc43286a978c0c7975922f878f78c825a116513a9a5a7f2b45454f2cd57f7d8a07f12b96b94fdb4418e207fc42375836278f3d79184bb74
SSDEEP

12288:TZoeeR5lI2CC2l/ADeW4MbI2qfbEIg7JT6YashlM0JT6YashlM:1JeXG2CLYDe202MbEIg19ashlV9ashl

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.huishenchain.com
Port:
587
Username:
[email protected]
Password:
mIWR%*R1

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/3044-12-0x0000000000400000-0x000000000043C000-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 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-1-5-21-1750093773-264148664-1320403265-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1672 set thread context of 3044	1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe	96

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
3044	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
3044	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
Token: SeDebugPrivilege	3044	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 3044	1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe	96
PID 1672 wrote to memory of 3044	1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe	96
PID 1672 wrote to memory of 3044	1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe	96
PID 1672 wrote to memory of 3044	1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe	96
PID 1672 wrote to memory of 3044	1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe	96
PID 1672 wrote to memory of 3044	1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe	96
PID 1672 wrote to memory of 3044	1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe	96
PID 1672 wrote to memory of 3044	1672	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Users\Admin\AppData\Local\Temp\6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

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\6360cb9fe59b8ae041c11f651e377c1e_JaffaCakes118.exe.log

Filesize
1KB

MD5
dc4f25880372b34bd321c7de4abb6616

SHA1
6e2f4c4f4ecaf53e0efcbe125572d3a78540e6fa

SHA256
e7ab3c07cfef749272019922d17900c020ce4281750ce9698cddacf85645d1fd

SHA512
f990c9ddf0749b55d861729a7adeb27338d783eaf9f8cf47e68f168bdf022b9ee52ee389219e6d58f7404cdf597cd76a1e5bbc4471ffbab67f6604f95854c9a5

Download Submit
memory/1672-10-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/1672-16-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/1672-3-0x0000000004A50000-0x0000000004AE2000-memory.dmp

Filesize
584KB

Download
memory/1672-4-0x00000000049D0000-0x0000000004A26000-memory.dmp

Filesize
344KB

Download
memory/1672-6-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/1672-5-0x0000000004C00000-0x0000000004C0A000-memory.dmp

Filesize
40KB

Download
memory/1672-7-0x00000000055B0000-0x000000000564C000-memory.dmp

Filesize
624KB

Download
memory/1672-8-0x0000000004D40000-0x0000000004D52000-memory.dmp

Filesize
72KB

Download
memory/1672-9-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/1672-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/1672-2-0x0000000005000000-0x00000000055A4000-memory.dmp

Filesize
5.6MB

Download
memory/1672-1-0x00000000000F0000-0x000000000018E000-memory.dmp

Filesize
632KB

Download
memory/1672-11-0x0000000006430000-0x0000000006490000-memory.dmp

Filesize
384KB

Download
memory/3044-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3044-15-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/3044-17-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/3044-18-0x0000000005E70000-0x0000000005E88000-memory.dmp

Filesize
96KB

Download
memory/3044-19-0x00000000066D0000-0x0000000006736000-memory.dmp

Filesize
408KB

Download
memory/3044-20-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/3044-21-0x0000000006B20000-0x0000000006B70000-memory.dmp

Filesize
320KB

Download
memory/3044-22-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download

Analysis

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