purecrypter | 777530c2f0d12654c4f47b987f2c8bf18b3afd040d4c9057ea37b2d52e423ff5

General

Target

Remittance of $76,000.00.exe
Size

7KB
MD5

35004f2270d99d582de6c138614e602c
SHA1

726df09a779ac8d2cb23e0ff3e5aca32b5a7874e
SHA256

b828fabbbc217d50542d19c8f8fb2b49c924f7a0cc6cbbc404e4439063febe51
SHA512

4eb17d42c3c2b9a4299153784690dd2030a5a7572bc5f34e3038392ea5dc881f2f962777f0dea28a1cef59c8012a670c547d4dbcbc1a98c37ba785f984fcd9f8
SSDEEP

192:li64f60lNCQEeL+57HNCx0L0Lyfzn5G9:L4f9oveL+5rNCqL0LyfzE

Score

10^/10

purecrypter collection downloader loader spyware stealer

Malware Config

Extracted

Family

purecrypter

C2

http://85.31.45.42/Hmumry.png

Signatures

PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter

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

Processes:

Remittance of $76,000.00.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	Remittance of $76,000.00.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

Processes:

Remittance of $76,000.00.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance of $76,000.00.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance of $76,000.00.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance of $76,000.00.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.

Processes:

flow ioc

50 api.ipify.org
51 api.ipify.org
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4604 powershell.exe
4604 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Remittance of $76,000.00.exepowershell.exe

description pid process

Token: SeDebugPrivilege 3168 Remittance of $76,000.00.exe
Token: SeDebugPrivilege 4604 powershell.exe

flow	ioc
50	api.ipify.org
51	api.ipify.org

pid	process
4604	powershell.exe
4604	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3168	Remittance of $76,000.00.exe
Token: SeDebugPrivilege	4604	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Remittance of $76,000.00.exe

description	pid	process	target process
PID 3168 wrote to memory of 4604	3168	Remittance of $76,000.00.exe	powershell.exe
PID 3168 wrote to memory of 4604	3168	Remittance of $76,000.00.exe	powershell.exe
PID 3168 wrote to memory of 4604	3168	Remittance of $76,000.00.exe	powershell.exe

outlook_office_path 1 IoCs

Processes:

Remittance of $76,000.00.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance of $76,000.00.exe

outlook_win_path 1 IoCs

Processes:

Remittance of $76,000.00.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Remittance of $76,000.00.exe

C:\Users\Admin\AppData\Local\Temp\Remittance of $76,000.00.exe
"C:\Users\Admin\AppData\Local\Temp\Remittance of $76,000.00.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3168

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgA1AA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4604

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_m1zipecy.wge.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3168-170-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/3168-135-0x0000000005270000-0x0000000005302000-memory.dmp

Filesize
584KB

Download
memory/3168-136-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/3168-137-0x00000000051E0000-0x00000000051EA000-memory.dmp

Filesize
40KB

Download
memory/3168-138-0x0000000008070000-0x0000000008092000-memory.dmp

Filesize
136KB

Download
memory/3168-155-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/3168-169-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/3168-168-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/3168-167-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/3168-134-0x0000000005820000-0x0000000005DC4000-memory.dmp

Filesize
5.6MB

Download
memory/3168-166-0x00000000092B0000-0x0000000009472000-memory.dmp

Filesize
1.8MB

Download
memory/3168-133-0x0000000000820000-0x0000000000828000-memory.dmp

Filesize
32KB

Download
memory/3168-165-0x0000000008520000-0x0000000008570000-memory.dmp

Filesize
320KB

Download
memory/4604-152-0x00000000049C0000-0x00000000049D0000-memory.dmp

Filesize
64KB

Download
memory/4604-156-0x0000000007520000-0x0000000007B9A000-memory.dmp

Filesize
6.5MB

Download
memory/4604-158-0x00000000063E0000-0x00000000063FA000-memory.dmp

Filesize
104KB

Download
memory/4604-157-0x00000000049C0000-0x00000000049D0000-memory.dmp

Filesize
64KB

Download
memory/4604-159-0x00000000049C0000-0x00000000049D0000-memory.dmp

Filesize
64KB

Download
memory/4604-160-0x00000000049C0000-0x00000000049D0000-memory.dmp

Filesize
64KB

Download
memory/4604-161-0x00000000049C0000-0x00000000049D0000-memory.dmp

Filesize
64KB

Download
memory/4604-154-0x0000000005EE0000-0x0000000005EFE000-memory.dmp

Filesize
120KB

Download
memory/4604-153-0x00000000049C0000-0x00000000049D0000-memory.dmp

Filesize
64KB

Download
memory/4604-142-0x0000000005850000-0x00000000058B6000-memory.dmp

Filesize
408KB

Download
memory/4604-141-0x00000000057E0000-0x0000000005846000-memory.dmp

Filesize
408KB

Download
memory/4604-140-0x0000000005000000-0x0000000005628000-memory.dmp

Filesize
6.2MB

Download
memory/4604-139-0x0000000004900000-0x0000000004936000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads