8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d

Analysis

max time kernel
100s
max time network
124s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 21:24

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General

Target

8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe
Size

162KB
MD5

3555c7c0669a7816a71df0f1688d69b5
SHA1

29b10276224fc7a6f5e275300878503dee1acb49
SHA256

8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d
SHA512

6cf2397a5878bfbf63d6b473b6e89a950d21646c37309393ffef0e66c6e51d419ca0a42feadb55446774e8489d5be0b4ad21c2bb0562417ff7e476d5de1e6695
SSDEEP

1536:bPRPsQBrRjMornA4K54v7aG6WgB65rQSZMFqgSYd8jvImD6s5Xez/joh0FarvXVn:tRBry2nq5Kmx3f98pxsLo5n/G9vur

Score

8^/10

persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/848-55-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1156-59-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/848-61-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1632-65-0x0000000000400000-0x0000000000442000-memory.dmp	upx

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
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 1156	848	8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe	28
PID 848 wrote to memory of 1156	848	8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe	28
PID 848 wrote to memory of 1156	848	8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe	28
PID 848 wrote to memory of 1156	848	8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe	28
PID 848 wrote to memory of 1632	848	8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe	30
PID 848 wrote to memory of 1632	848	8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe	30
PID 848 wrote to memory of 1632	848	8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe	30
PID 848 wrote to memory of 1632	848	8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe	30

C:\Users\Admin\AppData\Local\Temp\8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe
"C:\Users\Admin\AppData\Local\Temp\8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:848
- C:\Users\Admin\AppData\Local\Temp\8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe
  C:\Users\Admin\AppData\Local\Temp\8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  PID:1156
- C:\Users\Admin\AppData\Local\Temp\8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe
  C:\Users\Admin\AppData\Local\Temp\8cf451f8f3b2ec859ea57c43cbad4490de6ae5475203b67a2f4278a590b4d37d.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:1632

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/848-54-0x00000000766F1000-0x00000000766F3000-memory.dmp

Filesize
8KB

Download
memory/848-55-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/848-56-0x000000000030E000-0x0000000000328000-memory.dmp

Filesize
104KB

Download
memory/848-61-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/848-62-0x000000000030E000-0x0000000000328000-memory.dmp

Filesize
104KB

Download
memory/1156-59-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1156-60-0x00000000004FE000-0x0000000000518000-memory.dmp

Filesize
104KB

Download
memory/1632-65-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1632-66-0x00000000004FE000-0x0000000000518000-memory.dmp

Filesize
104KB

Download