25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400

General

Target

25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.exe
Size

1.9MB
MD5

cd50a4284e86c32cefc000be565f667b
SHA1

cc289817686d98f8bfab0172a12452cf7ede8dc8
SHA256

25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400
SHA512

cb645274816fb53d11ca0075cbcccb98a32e930ce860a9a9cefa03132adaeb9c7cb7853d36b9418aec2d85dcb2ed428e42493c14e47dc24a7bfaee4a51b8d319

Score

8^/10

evasion spyware trojan discovery

Malware Config

Signatures

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.exe25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp

description	pid	process	target process
PID 1432 wrote to memory of 1452	1432	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.exe	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp
PID 1432 wrote to memory of 1452	1432	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.exe	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp
PID 1432 wrote to memory of 1452	1432	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.exe	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp
PID 1432 wrote to memory of 1452	1432	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.exe	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp
PID 1432 wrote to memory of 1452	1432	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.exe	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp
PID 1432 wrote to memory of 1452	1432	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.exe	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp
PID 1432 wrote to memory of 1452	1432	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.exe	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp
PID 1452 wrote to memory of 756	1452	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp	pdfreader2019.exe
PID 1452 wrote to memory of 756	1452	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp	pdfreader2019.exe
PID 1452 wrote to memory of 756	1452	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp	pdfreader2019.exe
PID 1452 wrote to memory of 756	1452	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp	pdfreader2019.exe

Executes dropped EXE 2 IoCs

Processes:

25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmppdfreader2019.exe

pid process

1452 25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp
756 pdfreader2019.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp

pid	process
1452	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp
1452	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

pdfreader2019.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	pdfreader2019.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	pdfreader2019.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	pdfreader2019.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Loads dropped DLL 2 IoCs

Processes:

25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.exe25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp

pid	process
1432	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.exe
1452	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp

pid process

1452 25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp

Checks for installed software on the system 1 TTPs 3 IoCs

discovery

Query Registry

T1012

Processes:

25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmppdfreader2019.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{8B4121F0-0A9D-4324-8141-10AD13E40752}_is1\DisplayName = "pdfreader2019 version 19.20"	25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Uninstall	pdfreader2019.exe
Key queried	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Uninstall	pdfreader2019.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

C:\Users\Admin\AppData\Local\Temp\25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.exe
"C:\Users\Admin\AppData\Local\Temp\25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
PID:1432

C:\Users\Admin\AppData\Local\Temp\is-V76D7.tmp\25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp
"C:\Users\Admin\AppData\Local\Temp\is-V76D7.tmp\25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp" /SL5="$70030,1249985,754688,C:\Users\Admin\AppData\Local\Temp\25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.exe"
2⤵
- Suspicious use of WriteProcessMemory
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Checks for installed software on the system
PID:1452

C:\Users\Admin\AppData\Local\Temp\pdfreader2019\pdfreader2019.exe
"C:\Users\Admin\AppData\Local\Temp\pdfreader2019\pdfreader2019.exe" /S /uid=1024
3⤵
- Executes dropped EXE
- Modifies system certificate store
- Checks for installed software on the system
PID:756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Web Service

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-V76D7.tmp\25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp

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C:\Users\Admin\AppData\Local\Temp\is-V76D7.tmp\25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp

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C:\Users\Admin\AppData\Local\Temp\pdfreader2019\pdfreader2019.exe

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\Users\Admin\AppData\Local\Temp\is-V76D7.tmp\25c60987a0148c19477196257478f14c584600acd742369cb8859256ff005400.tmp

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\Users\Admin\AppData\Local\Temp\pdfreader2019\pdfreader2019.exe

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memory/756-5-0x0000000000000000-mapping.dmp

Download
memory/1452-1-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads