agenttesla | da85f0332f189e34a1c5b2890c03c4d7e45936efa8e7d5ebde60e9d20135ec98

General

Target

ZPSA-986PAYMENT522--332.exe
Size

1.1MB
MD5

5e6cd3971f2aef902504f7fbf5cc783b
SHA1

51e46aab5415a29d2edd9b24c302f833c1afc5aa
SHA256

da85f0332f189e34a1c5b2890c03c4d7e45936efa8e7d5ebde60e9d20135ec98
SHA512

11c3e167ec2b021dd3a9448ba6563ac52f8b198224b69ac1f7c06469bbad0a459b8b6705ea4193d9f488628880cfcba3e898b40f2252e773348f84c0de4cbc93

Score

10^/10

agenttesla metastealer collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
jyhsc.cc
Port:
587
Username:
[email protected]
Password:
Work-Station1

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Meta Stealer Stealer
Meta Stealer steals passwords stored in browsers, written in C++.
stealer metastealer

Executes dropped EXE 1 IoCs

pid	Process
1216	InstallUtil.exe

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-1-5-21-1082102374-1487407228-1886994731-1000\Control Panel\International\Geo\Nation	ZPSA-986PAYMENT522--332.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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe = "C:\\Users\\Admin\\AppData\\Roaming\\Adobe\\Adobe.exe"	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4976 set thread context of 1216	4976	6778.exe	98

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
904	ZPSA-986PAYMENT522--332.exe
4976	6778.exe
4976	6778.exe
1216	InstallUtil.exe
1216	InstallUtil.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
904	ZPSA-986PAYMENT522--332.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	904	ZPSA-986PAYMENT522--332.exe
Token: SeDebugPrivilege	4976	6778.exe
Token: SeDebugPrivilege	1216	InstallUtil.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 4976	904	ZPSA-986PAYMENT522--332.exe	83
PID 904 wrote to memory of 4976	904	ZPSA-986PAYMENT522--332.exe	83
PID 904 wrote to memory of 4976	904	ZPSA-986PAYMENT522--332.exe	83
PID 4976 wrote to memory of 1216	4976	6778.exe	98
PID 4976 wrote to memory of 1216	4976	6778.exe	98
PID 4976 wrote to memory of 1216	4976	6778.exe	98
PID 4976 wrote to memory of 1216	4976	6778.exe	98
PID 4976 wrote to memory of 1216	4976	6778.exe	98
PID 4976 wrote to memory of 1216	4976	6778.exe	98
PID 4976 wrote to memory of 1216	4976	6778.exe	98
PID 4976 wrote to memory of 1216	4976	6778.exe	98

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\ZPSA-986PAYMENT522--332.exe
"C:\Users\Admin\AppData\Local\Temp\ZPSA-986PAYMENT522--332.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:904
- C:\Users\Admin\AppData\Local\Temp\6778.exe
  "C:\Users\Admin\AppData\Local\Temp\6778.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4976
- - C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:1216

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\Temp\InstallUtil.exe

Filesize
41KB

MD5
5d4073b2eb6d217c19f2b22f21bf8d57

SHA1
f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

SHA256
ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

SHA512
9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
41KB

MD5
5d4073b2eb6d217c19f2b22f21bf8d57

SHA1
f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

SHA256
ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

SHA512
9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

Download Submit
memory/904-127-0x00000000051C0000-0x000000000525C000-memory.dmp

Filesize
624KB

Download
memory/904-124-0x0000000000760000-0x0000000000882000-memory.dmp

Filesize
1.1MB

Download
memory/904-128-0x000000000B5A0000-0x000000000B5AA000-memory.dmp

Filesize
40KB

Download
memory/904-129-0x000000000DB20000-0x000000000E04C000-memory.dmp

Filesize
5.2MB

Download
memory/904-126-0x0000000005120000-0x00000000051B2000-memory.dmp

Filesize
584KB

Download
memory/904-125-0x0000000005630000-0x0000000005BD4000-memory.dmp

Filesize
5.6MB

Download
memory/1216-136-0x0000000000700000-0x000000000073A000-memory.dmp

Filesize
232KB

Download
memory/1216-137-0x0000000005200000-0x0000000005266000-memory.dmp

Filesize
408KB

Download
memory/1216-138-0x0000000005EB0000-0x0000000005F00000-memory.dmp

Filesize
320KB

Download
memory/4976-131-0x0000000008960000-0x0000000008982000-memory.dmp

Filesize
136KB

Download

Analysis

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