purecrypter | e9d7e3b14fe2fa512bd8e7d1c9e444cd6293e454677c14d8dceb4958fa24a13e

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
16-08-2024 08:05

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General

Target

9d92eac2b25165ab5f82ca4118ae6a9f_JaffaCakes118.exe
Size

18KB
MD5

9d92eac2b25165ab5f82ca4118ae6a9f
SHA1

2daf653688ccfee53ee736da06cd259be5f43546
SHA256

e9d7e3b14fe2fa512bd8e7d1c9e444cd6293e454677c14d8dceb4958fa24a13e
SHA512

caadbbadec26724979cea3240d150bbfba19faca84eff1ad090280c68ef14ffb6c922d2fc916c83266d9bcc5805521e617034f7cb68ea0c585c90ed16b0a8bba
SSDEEP

384:grftsXUVII+Zk9JKDQCkEKDVbJEp5KDGPGAblW/Q1W:g6Qt9mPGs

Score

10^/10

purecrypter discovery downloader loader

Malware Config

Extracted

Family

purecrypter

https://store2.gofile.io/download/50a4adeb-19a4-4365-b358-92edbd1c702c/Pajoibg.dll

Signatures

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

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2660	2968	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

Processes:

9d92eac2b25165ab5f82ca4118ae6a9f_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d92eac2b25165ab5f82ca4118ae6a9f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

9d92eac2b25165ab5f82ca4118ae6a9f_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	2968	9d92eac2b25165ab5f82ca4118ae6a9f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

9d92eac2b25165ab5f82ca4118ae6a9f_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2968 wrote to memory of 2660	2968	9d92eac2b25165ab5f82ca4118ae6a9f_JaffaCakes118.exe	32
PID 2968 wrote to memory of 2660	2968	9d92eac2b25165ab5f82ca4118ae6a9f_JaffaCakes118.exe	32
PID 2968 wrote to memory of 2660	2968	9d92eac2b25165ab5f82ca4118ae6a9f_JaffaCakes118.exe	32
PID 2968 wrote to memory of 2660	2968	9d92eac2b25165ab5f82ca4118ae6a9f_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\9d92eac2b25165ab5f82ca4118ae6a9f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9d92eac2b25165ab5f82ca4118ae6a9f_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 1132
  2⤵
  - Program crash
  PID:2660

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/2968-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

Filesize
4KB

Download
memory/2968-1-0x00000000009E0000-0x00000000009EA000-memory.dmp

Filesize
40KB

Download
memory/2968-2-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/2968-3-0x00000000747FE000-0x00000000747FF000-memory.dmp

Filesize
4KB

Download
memory/2968-4-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download