purecrypter | 4856c8ad4a79b338bd8960a49a33de4a399567828e010b73b08a089048c19873

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
13-03-2023 11:02

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General

Target

3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe
Size

2.4MB
MD5

8f04f8e4f87a7e19053f745b6fbcb795
SHA1

5207f1704c26b19ab175882ab03a13aa42f88f48
SHA256

3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4
SHA512

89d372996ecf01293d69267b4c151e59a4dca3968c9f28d5795d620a45232b2ccd3aa29aa87eb540c44d06541d90dbfd5c020c77a0d850e5a4f0eee063a9fe5a
SSDEEP

49152:Lp7dJRVGJ0vXg055FGLXBFC/tU6aqws96MayXjq7262LMJfS4h1Y:Lp7dJR0+vXg055FSXBFC1gq9kM3zm0MG

Score

10^/10

purecrypter redline red1 downloader infostealer loader

Malware Config

Extracted

Family

redline

Botnet

red1

34.141.168.40:80

34.125.68.133:80

Attributes

auth_value
70f607e482f39051bebe438c28d43e46

Signatures

Detect PureCrypter injector 35 IoCs

loader

resource	yara_rule
behavioral1/memory/1556-55-0x00000000049C0000-0x0000000004C28000-memory.dmp	family_purecrypter
behavioral1/memory/1556-57-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-56-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-61-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-59-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-63-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-67-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-65-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-69-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-73-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-75-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-71-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-77-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-79-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-83-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-81-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-85-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-87-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-93-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-91-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-89-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-99-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-97-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-95-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-101-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-107-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-105-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-103-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-119-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-117-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-115-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-113-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-111-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/1556-109-0x00000000049C0000-0x0000000004C22000-memory.dmp	family_purecrypter
behavioral1/memory/2000-10206-0x0000000002650000-0x0000000002690000-memory.dmp	family_purecrypter

PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1556 set thread context of 1888	1556	3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe	31

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 1 IoCs

pid	Process
2000	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1556	3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe
Token: SeDebugPrivilege	2000	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 2000	1556	3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe	28
PID 1556 wrote to memory of 2000	1556	3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe	28
PID 1556 wrote to memory of 2000	1556	3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe	28
PID 1556 wrote to memory of 2000	1556	3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe	28
PID 1556 wrote to memory of 1888	1556	3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe	31
PID 1556 wrote to memory of 1888	1556	3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe	31
PID 1556 wrote to memory of 1888	1556	3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe	31
PID 1556 wrote to memory of 1888	1556	3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe	31
PID 1556 wrote to memory of 1888	1556	3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe	31
PID 1556 wrote to memory of 1888	1556	3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe	31
PID 1556 wrote to memory of 1888	1556	3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe	31
PID 1556 wrote to memory of 1888	1556	3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe	31
PID 1556 wrote to memory of 1888	1556	3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe	31

C:\Users\Admin\AppData\Local\Temp\3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe
"C:\Users\Admin\AppData\Local\Temp\3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1556
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2000
- C:\Users\Admin\AppData\Local\Temp\3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe
  C:\Users\Admin\AppData\Local\Temp\3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4.exe
  2⤵
  PID:1888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1556-99-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-109-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-57-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-54-0x00000000000D0000-0x000000000033C000-memory.dmp

Filesize
2.4MB

Download
memory/1556-61-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-59-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-63-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-67-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-65-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-69-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-73-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-75-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-71-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-77-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-79-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-83-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-81-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-95-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-87-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-93-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-91-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-89-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-56-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-97-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-85-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-101-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-107-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-105-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-103-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-119-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-117-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-115-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-113-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-111-0x00000000049C0000-0x0000000004C22000-memory.dmp

Filesize
2.4MB

Download
memory/1556-55-0x00000000049C0000-0x0000000004C28000-memory.dmp

Filesize
2.4MB

Download
memory/1556-10198-0x0000000002020000-0x0000000002060000-memory.dmp

Filesize
256KB

Download
memory/1556-10207-0x0000000005380000-0x00000000053CC000-memory.dmp

Filesize
304KB

Download
memory/1556-10203-0x0000000002020000-0x0000000002060000-memory.dmp

Filesize
256KB

Download
memory/1888-10218-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1888-10219-0x00000000020B0000-0x00000000020F0000-memory.dmp

Filesize
256KB

Download
memory/2000-10202-0x0000000002650000-0x0000000002690000-memory.dmp

Filesize
256KB

Download
memory/2000-10204-0x0000000002650000-0x0000000002690000-memory.dmp

Filesize
256KB

Download
memory/2000-10205-0x0000000002650000-0x0000000002690000-memory.dmp

Filesize
256KB

Download
memory/2000-10206-0x0000000002650000-0x0000000002690000-memory.dmp

Filesize
256KB

Download
memory/2000-10201-0x0000000002650000-0x0000000002690000-memory.dmp

Filesize
256KB

Download