1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
24/06/2024, 19:13

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General

Target

1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50.exe
Size

134KB
MD5

2bd34f212b5190878bd4e1d988f24b47
SHA1

34f3cf87cbf259b45720eaf9cd95bea090441511
SHA256

1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50
SHA512

b1ab5e3fe8aae584f5f9ac468b1003e437504463bd2a4a51ca13539db2d308447a6a028ddd0efc13e8cab117004537039bd5ee077e77b6cc8a20c79955b8f3da
SSDEEP

1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOg:YfU/WF6QMauSuiWNi9eNOl0007NZIOg

Score

7^/10

persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2628	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2416	wuauclt.exe

Loads dropped DLL 1 IoCs

pid	Process
2768	1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0036000000015ac4-1.dat	upx
behavioral1/memory/2416-7-0x0000000001340000-0x0000000001368000-memory.dmp	upx
behavioral1/memory/2768-3-0x00000000011B0000-0x00000000011D8000-memory.dmp	upx
behavioral1/memory/2416-9-0x0000000001340000-0x0000000001368000-memory.dmp	upx
behavioral1/memory/2768-10-0x00000000011B0000-0x00000000011D8000-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\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run"	1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2416	2768	1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50.exe	28
PID 2768 wrote to memory of 2416	2768	1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50.exe	28
PID 2768 wrote to memory of 2416	2768	1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50.exe	28
PID 2768 wrote to memory of 2416	2768	1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50.exe	28
PID 2768 wrote to memory of 2628	2768	1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50.exe	29
PID 2768 wrote to memory of 2628	2768	1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50.exe	29
PID 2768 wrote to memory of 2628	2768	1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50.exe	29
PID 2768 wrote to memory of 2628	2768	1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50.exe	29

C:\Users\Admin\AppData\Local\Temp\1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50.exe
"C:\Users\Admin\AppData\Local\Temp\1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2768
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2416
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\1ad88a53bd320d9e436a72c08638ad2a889bac8ce7970b1ffbada8b28cf9eb50.exe" >> NUL
  2⤵
  - Deletes itself
  PID:2628

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

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Downloads

\ProgramData\Update\wuauclt.exe

Filesize
134KB

MD5
25b05dd4cad4202845c94dba6a992a0c

SHA1
2c5d4d7f7765c1579261b10a5bb89cb5ba97bc8f

SHA256
c4bbc5cedc2ddc575211362d42ee1861ed6c039b016ca17799d0a40ad195f6ca

SHA512
4285e8043fa9edbfff111967349a9655b54f92f59f58fd7e9d332e8671900a8bd0bcc90fe321d44e25c3c8c58d2b1738218a806bf62fc3ab1c71b3634541afa2

Download Submit
memory/2416-7-0x0000000001340000-0x0000000001368000-memory.dmp

Filesize
160KB

Download
memory/2416-9-0x0000000001340000-0x0000000001368000-memory.dmp

Filesize
160KB

Download
memory/2768-5-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/2768-3-0x00000000011B0000-0x00000000011D8000-memory.dmp

Filesize
160KB

Download
memory/2768-8-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/2768-10-0x00000000011B0000-0x00000000011D8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads