purecrypter | dca1522e2127fb2f138754022464e2803adf6f17034a907ef1e2247f715733fc

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-06-2024 09:35

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General

Target

b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe
Size

10KB
MD5

b0ee6e646cfcfde3772f06db28198b50
SHA1

6a8c094cfb3f6ba0c333018e48ce1241607a3418
SHA256

dca1522e2127fb2f138754022464e2803adf6f17034a907ef1e2247f715733fc
SHA512

571b5db1642d0eebf93f8ed588fe662654f2465ff66eaf55b8878a3cffda5d077045db6dfa376899f867e5d71a313ac307d868e640f473c293a73a4ea60cc7ca
SSDEEP

192:rx1QE6hCVFH+h4WiFvh+vg0+0i4oIKAm8O4RxP:HygFH+qbhx0O4GkO4Rx

Score

10^/10

purecrypter downloader loader persistence spyware stealer

Malware Config

Extracted

Family

purecrypter

https://www.vascocorretora.com.br/PPI/Scnpbbezkc.vdf

Signatures

PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wdertyh = "C:\\Users\\Admin\\AppData\\Roaming\\wdertyh.exe"	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4036 set thread context of 2532	4036	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe	99

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2532	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe
2532	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe
2532	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe
2532	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe
2532	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe
2532	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4036	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe
Token: SeDebugPrivilege	4036	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe
Token: SeDebugPrivilege	2532	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4036 wrote to memory of 2532	4036	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe	99
PID 4036 wrote to memory of 2532	4036	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe	99
PID 4036 wrote to memory of 2532	4036	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe	99
PID 4036 wrote to memory of 2532	4036	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe	99
PID 4036 wrote to memory of 2532	4036	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe	99
PID 4036 wrote to memory of 2532	4036	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe	99
PID 4036 wrote to memory of 2532	4036	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe	99
PID 4036 wrote to memory of 2532	4036	b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe	99

C:\Users\Admin\AppData\Local\Temp\b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4036
- C:\Users\Admin\AppData\Local\Temp\b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe
  "C:\Users\Admin\AppData\Local\Temp\b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2532

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1432 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b0ee6e646cfcfde3772f06db28198b50_NeikiAnalytics.exe.log

Filesize
1KB

MD5
f3eb81974dc5933681e933f07209ff5f

SHA1
7af8cae0f1d03e82daaf784df9886705685baac7

SHA256
e82069884dd428bd6a1c67fe00c5fa56f9c4d62b538b694694a699588f1f4ab2

SHA512
d9aa3871dffb76c8a73a7940fa03bbc9b65cf575cbd07f7c1fbf490cb0f3d670415eaef0bf79e34689f61ab3cdfbb104efdef004becc12e54b501f02f948aaff

Download Submit
C:\Users\Admin\AppData\Local\Temp\Jhwsmivcsa.tmpdb

Filesize
148KB

MD5
90a1d4b55edf36fa8b4cc6974ed7d4c4

SHA1
aba1b8d0e05421e7df5982899f626211c3c4b5c1

SHA256
7cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c

SHA512
ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2

Download Submit
memory/2532-4902-0x0000000000540000-0x0000000000618000-memory.dmp

Filesize
864KB

Download
memory/2532-4903-0x0000000004BE0000-0x0000000004CF6000-memory.dmp

Filesize
1.1MB

Download
memory/2532-4904-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/2532-4906-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/2532-7230-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/2532-7200-0x0000000005EA0000-0x0000000005F1A000-memory.dmp

Filesize
488KB

Download
memory/2532-7199-0x00000000055E0000-0x0000000005646000-memory.dmp

Filesize
408KB

Download
memory/2532-7198-0x00000000051D0000-0x00000000051FC000-memory.dmp

Filesize
176KB

Download
memory/2532-7197-0x0000000004E30000-0x0000000004ECE000-memory.dmp

Filesize
632KB

Download
memory/4036-37-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-25-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-53-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-61-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-69-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-67-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-65-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-63-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-59-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-57-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-55-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-51-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-49-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-47-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-43-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-41-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-39-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-15-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-35-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-33-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-31-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-29-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-27-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-7-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-23-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-45-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-19-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-17-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-13-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-11-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-9-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-21-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-6-0x0000000008990000-0x0000000008C76000-memory.dmp

Filesize
2.9MB

Download
memory/4036-4892-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4036-4893-0x00000000010C0000-0x00000000011E8000-memory.dmp

Filesize
1.2MB

Download
memory/4036-4894-0x0000000000F40000-0x0000000000F8C000-memory.dmp

Filesize
304KB

Download
memory/4036-4895-0x000000007529E000-0x000000007529F000-memory.dmp

Filesize
4KB

Download
memory/4036-4896-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4036-5-0x0000000008E20000-0x0000000008EB2000-memory.dmp

Filesize
584KB

Download
memory/4036-4-0x0000000009230000-0x00000000097D4000-memory.dmp

Filesize
5.6MB

Download
memory/4036-3-0x0000000008990000-0x0000000008C7C000-memory.dmp

Filesize
2.9MB

Download
memory/4036-2-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4036-1-0x0000000000870000-0x0000000000878000-memory.dmp

Filesize
32KB

Download
memory/4036-0-0x000000007529E000-0x000000007529F000-memory.dmp

Filesize
4KB

Download
memory/4036-4897-0x0000000000FC0000-0x0000000001014000-memory.dmp

Filesize
336KB

Download
memory/4036-4905-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download