af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e

Analysis

max time kernel
291s
max time network
298s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01/01/2024, 05:01

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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 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2388-6-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-8-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-10-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-11-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-9-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-5-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-16-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-17-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-18-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-19-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-20-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-21-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-24-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-25-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-26-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-27-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-36-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-37-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-38-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-42-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-43-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-45-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-46-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral1/memory/2388-47-0x0000000000400000-0x0000000000848000-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 1948 set thread context of 2388	1948	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	20

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2388	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe
2388	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe
2388	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2388	1948	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	20
PID 1948 wrote to memory of 2388	1948	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	20
PID 1948 wrote to memory of 2388	1948	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	20
PID 1948 wrote to memory of 2388	1948	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	20
PID 1948 wrote to memory of 2388	1948	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	20
PID 1948 wrote to memory of 2388	1948	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	20
PID 1948 wrote to memory of 2388	1948	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	20
PID 1948 wrote to memory of 2388	1948	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	20
PID 1948 wrote to memory of 2388	1948	af5cfa1a66edeb8cc4eae20824fe6b6b15d4955bef4bbe13750d8f9af424c49e.exe	20

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:1948
- 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:2388

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

memory/1948-4-0x0000000002140000-0x00000000022F7000-memory.dmp

Filesize
1.7MB

Download
memory/1948-2-0x0000000001F80000-0x0000000002138000-memory.dmp

Filesize
1.7MB

Download
memory/1948-0-0x0000000001F80000-0x0000000002138000-memory.dmp

Filesize
1.7MB

Download
memory/2388-36-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-38-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-11-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-9-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-5-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-42-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2388-16-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-17-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-18-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-19-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-20-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-21-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-24-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-25-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-26-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-27-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-6-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-10-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-37-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-8-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-43-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-45-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-46-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-47-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-51-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-53-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-60-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-61-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-62-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-63-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-64-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-65-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-66-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-67-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-69-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2388-70-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download