purecrypter | dd91c369faf07b8ca84cbf9457a7c82b083b18be6d4b111fbde42f134d063f99

Analysis

max time kernel
23s
max time network
24s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
18-08-2024 02:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a50e735727b96726987d54ea87baddd4_JaffaCakes118.exe
Size

124KB
MD5

a50e735727b96726987d54ea87baddd4
SHA1

d313aba601539d8747c488c6183fa095b6bc5bda
SHA256

dd91c369faf07b8ca84cbf9457a7c82b083b18be6d4b111fbde42f134d063f99
SHA512

f7160eff7c296802fff47c23acec0eb9bc8cc4979021b2d49803767c8cb06e2af0a1a51f988268aa8c5d797c59d997914da3e033ec2159ea9a0d0cbdfdc54e49
SSDEEP

768:qgz4cMUSoskidhu7XhZMLh4hN3fWzhsTAzflM6EndrdNIKviaILQ3:qtcEosVdhShZW8N3uzn9M6MdrdNR6xO

Score

10^/10

purecrypter discovery downloader loader

Malware Config

Extracted

Family

purecrypter

https://store2.gofile.io/download/f3b14c59-13f8-41a4-ad34-9dd54fbba556/Djujwylniujperkjdiousa.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
2756	3008	WerFault.exe	29

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:

a50e735727b96726987d54ea87baddd4_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a50e735727b96726987d54ea87baddd4_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a50e735727b96726987d54ea87baddd4_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	3008	a50e735727b96726987d54ea87baddd4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a50e735727b96726987d54ea87baddd4_JaffaCakes118.exe

description	pid	Process	procid_target
PID 3008 wrote to memory of 2756	3008	a50e735727b96726987d54ea87baddd4_JaffaCakes118.exe	31
PID 3008 wrote to memory of 2756	3008	a50e735727b96726987d54ea87baddd4_JaffaCakes118.exe	31
PID 3008 wrote to memory of 2756	3008	a50e735727b96726987d54ea87baddd4_JaffaCakes118.exe	31
PID 3008 wrote to memory of 2756	3008	a50e735727b96726987d54ea87baddd4_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\a50e735727b96726987d54ea87baddd4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a50e735727b96726987d54ea87baddd4_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 1132
  2⤵
  - Program crash
  PID:2756

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

Loading Replay Monitor...

Downloads

memory/3008-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

Filesize
4KB

Download
memory/3008-1-0x0000000000190000-0x00000000001B4000-memory.dmp

Filesize
144KB

Download
memory/3008-2-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/3008-3-0x00000000747FE000-0x00000000747FF000-memory.dmp

Filesize
4KB

Download
memory/3008-4-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download