af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e

Resubmissions

26/04/2024, 07:14

240426-h2zm9abd4t 10

26/04/2024, 07:14

26/04/2024, 07:14

26/04/2024, 07:14

26/04/2024, 07:14

25/04/2024, 13:11

Analysis

max time kernel
141s
max time network
151s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
26/04/2024, 07:14

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General

Target

af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe
Size

2.0MB
MD5

3eb4e7d99afa9e61d5fbcd4c42985220
SHA1

a67ca6138a9f0cfc70c3406c39e88b88567ff76b
SHA256

af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e
SHA512

d704a96c7a32e713772497880d05f83fd5c6ef28f3a3e4da4b2de2dbaebf0505bdbd302b41aca3a326f10c8493101bc4b65fb073233c472c75d541bbceb9aff6
SSDEEP

49152:fBKsEZMOc1XTmPFoTqoSsFpoBVFSc00byphfNs4MexOH3k/9:fBtscWoSsFpoBVFSctSNSecH

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral3/memory/4644-1-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-4-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-6-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-7-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-8-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-9-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-14-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-15-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-16-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-17-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-18-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-19-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-22-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-23-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-32-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-33-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-35-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-39-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-40-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-41-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral3/memory/4644-42-0x0000000000400000-0x0000000000848000-memory.dmp	upx

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRSS = "\"C:\\ProgramData\\Drivers\\csrss.exe\""	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3796 set thread context of 4644	3796	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	74

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4644	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe
4644	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe
4644	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe
4644	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe
4644	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe
4644	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3796 wrote to memory of 4644	3796	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	74
PID 3796 wrote to memory of 4644	3796	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	74
PID 3796 wrote to memory of 4644	3796	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	74
PID 3796 wrote to memory of 4644	3796	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	74
PID 3796 wrote to memory of 4644	3796	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	74
PID 3796 wrote to memory of 4644	3796	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	74
PID 3796 wrote to memory of 4644	3796	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	74
PID 3796 wrote to memory of 4644	3796	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	74

C:\Users\Admin\AppData\Local\Temp\af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe
"C:\Users\Admin\AppData\Local\Temp\af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3796
- C:\Users\Admin\AppData\Local\Temp\af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe
  "C:\Users\Admin\AppData\Local\Temp\af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:4644

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

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdesc-consensus.tmp

Filesize
2.5MB

MD5
a71659bcabc3b32eed883c95c44b1a62

SHA1
eb0af3adaf524b61490f01e5ae86cfee0bd18663

SHA256
be1ab31af3ff4cec23c0d093e66964ad6e18028e80aa98de834aa6fbe8b598e1

SHA512
0cb24ac55861b5d97658f110525b62803ef9190e7274fb908ff8de9f05e1369d8d8a535d8f8c01e33b5498cc4acb18e0cf7be3b76dc3c6fdad78090d9fbba1dc

Download Submit
memory/3796-2-0x00000000024B0000-0x000000000266E000-memory.dmp

Filesize
1.7MB

Download
memory/3796-3-0x0000000002670000-0x0000000002827000-memory.dmp

Filesize
1.7MB

Download
memory/4644-18-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-22-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-7-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-8-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-9-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-14-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-15-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-16-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-17-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-1-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-19-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-6-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-23-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-4-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-32-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-33-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-35-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-39-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-40-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-41-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/4644-42-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download