1423053f90855d33858db47f354055b660943104c1c18f848c9b7b415979dc5f

max time kernel
14s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 18:03

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General

Target

5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
Size

669KB
MD5

ead18f3a909685922d7213714ea9a183
SHA1

1270bd7fd62acc00447b30f066bb23f4745869bf
SHA256

5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18
SHA512

6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91
SSDEEP

6144:bLUHLyHlwFjxDi2nEZkQ4NXxp0XMgkBWPqdN/jGdfYY7SRA7j4YlvfYAAjJ:4uFi02nEZh4jp0XLuxGdgTm73vL

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
724	icacls.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral22/memory/4788-0-0x0000000000400000-0x00000000004A9000-memory.dmp	upx
behavioral22/files/0x00080000000233af-6.dat	upx
behavioral22/memory/2428-7-0x0000000000400000-0x00000000004A9000-memory.dmp	upx
behavioral22/memory/1276-21-0x0000000000400000-0x00000000004A9000-memory.dmp	upx
behavioral22/memory/1200-20-0x0000000000400000-0x00000000004A9000-memory.dmp	upx
behavioral22/memory/5048-28-0x0000000000400000-0x00000000004A9000-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\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\420094c8-bb06-43a5-af67-61bfe49db466\\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe\" --AutoStart"	5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

Looks up external IP address via web service 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
21	api.2ip.ua
3	api.2ip.ua
7	api.2ip.ua
18	api.2ip.ua

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

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
4868	4788	WerFault.exe	79
1080	5048	WerFault.exe	96
4896	1200	WerFault.exe	94

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4788	5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
4788	5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 724	4788	5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe	80
PID 4788 wrote to memory of 724	4788	5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe	80
PID 4788 wrote to memory of 724	4788	5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe	80

C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
"C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4788
- C:\Windows\SysWOW64\icacls.exe
  icacls "C:\Users\Admin\AppData\Local\420094c8-bb06-43a5-af67-61bfe49db466" /deny *S-1-1-0:(OI)(CI)(DE,DC)
  2⤵
  - Modifies file permissions
  PID:724
- C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
  "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Admin IsNotAutoStart IsNotTask
  2⤵
  PID:2428
- - C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
    "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --ForNetRes "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1 IsNotAutoStart IsNotTask
    3⤵
    PID:1200
  - - C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
      "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 1200 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
      4⤵
      PID:5048
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 1296
        5⤵
        Program crash
        
        PID:1080
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 1440
      4⤵
      Program crash
      PID:4896
- - C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
    "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 2428 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
    3⤵
    PID:1276
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 1368
  2⤵
  - Program crash
  PID:4868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4788 -ip 4788
1⤵
PID:4900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5048 -ip 5048
1⤵
PID:180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1200 -ip 1200
1⤵
PID:3604

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

File and Directory Permissions Modification

T1222

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\420094c8-bb06-43a5-af67-61bfe49db466\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

Filesize
669KB

MD5
ead18f3a909685922d7213714ea9a183

SHA1
1270bd7fd62acc00447b30f066bb23f4745869bf

SHA256
5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

SHA512
6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

Download Submit
memory/1200-26-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1200-37-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1200-30-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1200-20-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1276-31-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1276-21-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1276-23-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2428-7-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2428-25-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2428-12-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2428-14-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2428-16-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2428-17-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2428-19-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4788-10-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/4788-9-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4788-0-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4788-4-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4788-3-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/4788-2-0x00000000006F0000-0x00000000007F0000-memory.dmp

Filesize
1024KB

Download
memory/5048-28-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/5048-35-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/5048-36-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download