purecrypter | 3944a1d4b4fdf0b1a5aecaa579a3c9acac4536544b440acc8362d456f46d3cb4

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
11-03-2023 11:30

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General

Target

8f04f8e4f87a7e19053f745b6fbcb795.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/1364-55-0x0000000004A30000-0x0000000004C98000-memory.dmp	family_purecrypter
behavioral1/memory/1364-56-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-57-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-59-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-61-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-63-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-65-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-67-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-69-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-71-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-73-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-75-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-77-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-79-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-81-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-83-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-85-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-87-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-89-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-91-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-93-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-95-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-97-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-99-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-101-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-103-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-105-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-107-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-109-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-111-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-113-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-115-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-117-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/1364-119-0x0000000004A30000-0x0000000004C92000-memory.dmp	family_purecrypter
behavioral1/memory/668-10205-0x00000000003E0000-0x0000000000420000-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 1364 set thread context of 1012	1364	8f04f8e4f87a7e19053f745b6fbcb795.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
668	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1364	8f04f8e4f87a7e19053f745b6fbcb795.exe
Token: SeDebugPrivilege	668	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1364 wrote to memory of 668	1364	8f04f8e4f87a7e19053f745b6fbcb795.exe	28
PID 1364 wrote to memory of 668	1364	8f04f8e4f87a7e19053f745b6fbcb795.exe	28
PID 1364 wrote to memory of 668	1364	8f04f8e4f87a7e19053f745b6fbcb795.exe	28
PID 1364 wrote to memory of 668	1364	8f04f8e4f87a7e19053f745b6fbcb795.exe	28
PID 1364 wrote to memory of 1012	1364	8f04f8e4f87a7e19053f745b6fbcb795.exe	31
PID 1364 wrote to memory of 1012	1364	8f04f8e4f87a7e19053f745b6fbcb795.exe	31
PID 1364 wrote to memory of 1012	1364	8f04f8e4f87a7e19053f745b6fbcb795.exe	31
PID 1364 wrote to memory of 1012	1364	8f04f8e4f87a7e19053f745b6fbcb795.exe	31
PID 1364 wrote to memory of 1012	1364	8f04f8e4f87a7e19053f745b6fbcb795.exe	31
PID 1364 wrote to memory of 1012	1364	8f04f8e4f87a7e19053f745b6fbcb795.exe	31
PID 1364 wrote to memory of 1012	1364	8f04f8e4f87a7e19053f745b6fbcb795.exe	31
PID 1364 wrote to memory of 1012	1364	8f04f8e4f87a7e19053f745b6fbcb795.exe	31
PID 1364 wrote to memory of 1012	1364	8f04f8e4f87a7e19053f745b6fbcb795.exe	31

C:\Users\Admin\AppData\Local\Temp\8f04f8e4f87a7e19053f745b6fbcb795.exe
"C:\Users\Admin\AppData\Local\Temp\8f04f8e4f87a7e19053f745b6fbcb795.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1364
- 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:668
- C:\Users\Admin\AppData\Local\Temp\8f04f8e4f87a7e19053f745b6fbcb795.exe
  C:\Users\Admin\AppData\Local\Temp\8f04f8e4f87a7e19053f745b6fbcb795.exe
  2⤵
  PID:1012

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/668-10201-0x00000000003E0000-0x0000000000420000-memory.dmp

Filesize
256KB

Download
memory/668-10205-0x00000000003E0000-0x0000000000420000-memory.dmp

Filesize
256KB

Download
memory/668-10204-0x00000000003E0000-0x0000000000420000-memory.dmp

Filesize
256KB

Download
memory/668-10202-0x00000000003E0000-0x0000000000420000-memory.dmp

Filesize
256KB

Download
memory/1012-10218-0x0000000002020000-0x0000000002060000-memory.dmp

Filesize
256KB

Download
memory/1012-10217-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1364-95-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-101-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-67-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-69-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-71-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-73-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-75-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-77-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-79-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-81-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-83-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-85-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-87-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-89-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-91-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-93-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-54-0x0000000000090000-0x00000000002FC000-memory.dmp

Filesize
2.4MB

Download
memory/1364-97-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-99-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-65-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-103-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-105-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-107-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-109-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-111-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-113-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-115-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-117-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-119-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-10198-0x0000000004250000-0x0000000004290000-memory.dmp

Filesize
256KB

Download
memory/1364-63-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-61-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-10203-0x0000000004250000-0x0000000004290000-memory.dmp

Filesize
256KB

Download
memory/1364-59-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-57-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-10206-0x0000000004F80000-0x0000000004FCC000-memory.dmp

Filesize
304KB

Download
memory/1364-56-0x0000000004A30000-0x0000000004C92000-memory.dmp

Filesize
2.4MB

Download
memory/1364-55-0x0000000004A30000-0x0000000004C98000-memory.dmp

Filesize
2.4MB

Download