purecrypter | c8a3d4502c6593920fef04c43616591f9e069eb7ab2c81b22f891f02984d615f

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21-08-2024 12:41

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General

Target

b37e01b84ec08805a43a5ad9c8c0dc8d_JaffaCakes118.exe
Size

193KB
MD5

b37e01b84ec08805a43a5ad9c8c0dc8d
SHA1

49d97f4a96fc3ead2d540d5f19bed353b9863519
SHA256

c8a3d4502c6593920fef04c43616591f9e069eb7ab2c81b22f891f02984d615f
SHA512

2ad0c0ab89afc1cd3d16f39a99c69611b11b73333e38da68c53304d5236603907b124a530f17b94ae86d6120a8c7ea618540d45d7e4351c7d17f028e04601530
SSDEEP

3072:3Qhsz8yfX+++L+++++++lntMJknzaHENgN:hz14knOL

Score

10^/10

purecrypter discovery downloader loader

Malware Config

Extracted

Family

purecrypter

https://store2.gofile.io/download/9a64ecfe-2a9c-4436-a721-97bdc2f9a011/Hohimqtxnmjeugfaetqslao.dll

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2432	2152	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b37e01b84ec08805a43a5ad9c8c0dc8d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2152	b37e01b84ec08805a43a5ad9c8c0dc8d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2432	2152	b37e01b84ec08805a43a5ad9c8c0dc8d_JaffaCakes118.exe	32
PID 2152 wrote to memory of 2432	2152	b37e01b84ec08805a43a5ad9c8c0dc8d_JaffaCakes118.exe	32
PID 2152 wrote to memory of 2432	2152	b37e01b84ec08805a43a5ad9c8c0dc8d_JaffaCakes118.exe	32
PID 2152 wrote to memory of 2432	2152	b37e01b84ec08805a43a5ad9c8c0dc8d_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\b37e01b84ec08805a43a5ad9c8c0dc8d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b37e01b84ec08805a43a5ad9c8c0dc8d_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 1124
  2⤵
  - Program crash
  PID:2432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2152-0-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/2152-1-0x0000000000BF0000-0x0000000000C26000-memory.dmp

Filesize
216KB

Download
memory/2152-2-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2152-3-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/2152-4-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download