7f549769ae36cacca1f331dd0b6123dedf4ba10badfcb798c46d810b2ebd5471

Analysis

max time kernel
118s
max time network
133s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-12-2023 13:23

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General

Target

217687daa0a13d4ad824b26225e66c79.exe
Size

632KB
MD5

217687daa0a13d4ad824b26225e66c79
SHA1

b65611aa4e980bf387dc3a4624187930c4eceb57
SHA256

7f549769ae36cacca1f331dd0b6123dedf4ba10badfcb798c46d810b2ebd5471
SHA512

0d1b819fd61c35915fd9ebcce39433dc252075a5a4b0523c461a333b0e306ce9f8a992b5bb5a1d366baec0b8f08342aa2e29d9008e03b39047d240bab95774f0
SSDEEP

12288:2MnBsXy90UXYMGwxeZY9kv4iS28wxv1Om8YkxMQE8tl:jsXyHgJ4iS28wB1l8YkK

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2072	FACEBO~1.EXE

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a000000012270-6.dat	upx
behavioral1/files/0x000a000000012270-4.dat	upx
behavioral1/memory/2072-7-0x0000000000400000-0x00000000006F3000-memory.dmp	upx
behavioral1/files/0x000a000000012270-8.dat	upx
behavioral1/memory/2072-11-0x0000000000400000-0x00000000006F3000-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\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	217687daa0a13d4ad824b26225e66c79.exe

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

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2072	FACEBO~1.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2072	2428	217687daa0a13d4ad824b26225e66c79.exe	28
PID 2428 wrote to memory of 2072	2428	217687daa0a13d4ad824b26225e66c79.exe	28
PID 2428 wrote to memory of 2072	2428	217687daa0a13d4ad824b26225e66c79.exe	28
PID 2428 wrote to memory of 2072	2428	217687daa0a13d4ad824b26225e66c79.exe	28

C:\Users\Admin\AppData\Local\Temp\217687daa0a13d4ad824b26225e66c79.exe
"C:\Users\Admin\AppData\Local\Temp\217687daa0a13d4ad824b26225e66c79.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\FACEBO~1.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\FACEBO~1.EXE
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  PID:2072

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

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\FACEBO~1.EXE

Filesize
490KB

MD5
f80f4913bdb389a1a39e22c75a2bfd76

SHA1
ab96759085df7eefbb783f7468f81bac4684589b

SHA256
d16e157f09e4708b16e0c59d8b80993edabad19f322ba777727261125d13905b

SHA512
d0673eedf6869a923602169a17233d66bb230d540f108ed1128aaeb7620d5ea9c42991a0b715798b0c58bdc3acbd0ec530f84a3ec5a9603fb9523c029d0cbbde

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\FACEBO~1.EXE

Filesize
99KB

MD5
83321971ba3451a7efafc5bfd7ec2015

SHA1
cdf23f3849153ec4ea807f824bb8398d9d67347c

SHA256
a78b0ac30b4ad757e072449a2718f4add0b4aaf9e2d0da395fae0facdba37fd4

SHA512
7141f6861f7c9d037af5904d2fc81e8c0a4dab9a0bf9cdd163b79717d1294ebe1a51546409aa44d3aa3a353645dfe45da9147b30714872f41f3d5e916371c8da

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\FACEBO~1.EXE

Filesize
74KB

MD5
937f806bf89983405593a43acc94da6d

SHA1
989095b5f429847937a95a5a3c139a68de436678

SHA256
5e45ac8d99ace0ac798b1f4faf5a2910247364a5705ac8dfb0e8e3213acb3919

SHA512
bd2a624683f859b0ab37b24caf0eae72bf37d576691e6cda50f573dce16966543b979d8c4e6bfc1901eddd125702e1388f20c4da64760e1ecbbc426ec5f8a9d0

Download Submit
memory/2072-7-0x0000000000400000-0x00000000006F3000-memory.dmp

Filesize
2.9MB

Download
memory/2072-9-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2072-10-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2072-11-0x0000000000400000-0x00000000006F3000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads