444c5accf2e5d2b23efccf17ce84bec5557cf8f6e0763f4669ddca8cdd70669d

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13/07/2024, 11:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe
Size

54KB
MD5

417ddbcb8ad063b60f04f5e836ffedbc
SHA1

8802598e3b527ed19b53169752a96fae5a49e44f
SHA256

444c5accf2e5d2b23efccf17ce84bec5557cf8f6e0763f4669ddca8cdd70669d
SHA512

c617f7ef461420ed6afb877f8f4a021d3b0982dc7b31057efc64d35bfbcab60452e6b4644137b1f6feeed71119012b23ea771b48c489f5fb4cb0e8823bb59920
SSDEEP

768:iNqIWOeMkkng6B4S/ITRVfat58fJ0eN/bEudPqZjBL:iNqIWnkJITCGfRFbEpB

Score

8^/10

persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Deletes itself 1 IoCs

pid	Process
2984	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2084	hvexaltk.exe

Loads dropped DLL 2 IoCs

pid	Process
2552	417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe
2552	417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2552-1-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x0008000000018736-3.dat	upx
behavioral1/memory/2084-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2552-13-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2084-16-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\hvexalt.dll	417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\hvexaltk.exe	417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\hvexaltk.exe	417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 2084	2552	417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe	30
PID 2552 wrote to memory of 2084	2552	417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe	30
PID 2552 wrote to memory of 2084	2552	417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe	30
PID 2552 wrote to memory of 2084	2552	417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe	30
PID 2552 wrote to memory of 2984	2552	417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe	32
PID 2552 wrote to memory of 2984	2552	417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe	32
PID 2552 wrote to memory of 2984	2552	417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe	32
PID 2552 wrote to memory of 2984	2552	417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\hvexaltk.exe
  C:\Windows\system32\hvexaltk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2084
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  PID:2984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\417ddbcb8ad063b60f04f5e836ffedbc_JaffaCakes118.exe.bat

Filesize
210B

MD5
215e9535f780bfc7af3fc2a1db2f9786

SHA1
05fa87142d7ab7020b19837c3cc829afc494a264

SHA256
05c61cc14fdab785594b9b00913aa8e430a9332aa5eee6d30dc6643f41c94628

SHA512
c1dead40b326229eb9ae63f6708f833c7f203a17a8130adaf227c0c2c5c8673cbf7cd5cf334085d414f190f6b27dfdba16c94084ce91000a8e9d88691e683ce0

Download Submit
\Windows\SysWOW64\hvexaltk.exe

Filesize
54KB

MD5
417ddbcb8ad063b60f04f5e836ffedbc

SHA1
8802598e3b527ed19b53169752a96fae5a49e44f

SHA256
444c5accf2e5d2b23efccf17ce84bec5557cf8f6e0763f4669ddca8cdd70669d

SHA512
c617f7ef461420ed6afb877f8f4a021d3b0982dc7b31057efc64d35bfbcab60452e6b4644137b1f6feeed71119012b23ea771b48c489f5fb4cb0e8823bb59920

Download Submit
memory/2084-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2084-16-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2552-1-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2552-11-0x00000000002B0000-0x00000000002BF000-memory.dmp

Filesize
60KB

Download
memory/2552-10-0x00000000002B0000-0x00000000002BF000-memory.dmp

Filesize
60KB

Download
memory/2552-13-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2552-15-0x00000000002B0000-0x00000000002BF000-memory.dmp

Filesize
60KB

Download
memory/2552-14-0x00000000002B0000-0x00000000002BF000-memory.dmp

Filesize
60KB

Download