556a827f132cadd2d32f1f4d90b0a12e641b8124f70b79f6f8131ea0ea91f8b5

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
20/07/2024, 07:49

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General

Target

5fa1e8b903222be7c74edce61dfa0435_JaffaCakes118.exe
Size

212KB
MD5

5fa1e8b903222be7c74edce61dfa0435
SHA1

0f4d80e03f5f17c6aa0880ea3c22edee48ee7298
SHA256

556a827f132cadd2d32f1f4d90b0a12e641b8124f70b79f6f8131ea0ea91f8b5
SHA512

590fa04022d0cbd85762ba1e5568c974674685b2c8d9337ebee2448a44bd66ea326844ab97c820cf087bf63ebfa70f1a8aa1ce53133190e060339eb029a76b71
SSDEEP

6144:h+LpzeANQVBXTBPgLKJDSTQL8jPY1SnKhrn3u4pu:h+LPNQVBFPgLKJDl2Y1SnKI4p

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1444	Vqykya.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/532-0-0x0000000000400000-0x000000000047E000-memory.dmp	upx
behavioral2/files/0x00090000000234c9-11.dat	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	5fa1e8b903222be7c74edce61dfa0435_JaffaCakes118.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	5fa1e8b903222be7c74edce61dfa0435_JaffaCakes118.exe
File created	C:\Windows\Vqykya.exe	5fa1e8b903222be7c74edce61dfa0435_JaffaCakes118.exe
File opened for modification	C:\Windows\Vqykya.exe	5fa1e8b903222be7c74edce61dfa0435_JaffaCakes118.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Vqykya.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Vqykya.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
67992	1444	WerFault.exe	87

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Software\Microsoft\Internet Explorer\Main	Vqykya.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe
1444	Vqykya.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
532	5fa1e8b903222be7c74edce61dfa0435_JaffaCakes118.exe
1444	Vqykya.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 1444	532	5fa1e8b903222be7c74edce61dfa0435_JaffaCakes118.exe	87
PID 532 wrote to memory of 1444	532	5fa1e8b903222be7c74edce61dfa0435_JaffaCakes118.exe	87
PID 532 wrote to memory of 1444	532	5fa1e8b903222be7c74edce61dfa0435_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\5fa1e8b903222be7c74edce61dfa0435_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5fa1e8b903222be7c74edce61dfa0435_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:532
- C:\Windows\Vqykya.exe
  C:\Windows\Vqykya.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1444 -s 900
    3⤵
    - Program crash
    PID:67992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1444 -ip 1444
1⤵
PID:68012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

Filesize
390B

MD5
7509c396b6284606d87fec6e0dc6cc4e

SHA1
c3b5c032388080b965c130469bbfdab9e40730cc

SHA256
1b22315d119f390733249059de2815c5129fd6b04a2f635f1481e0a26180a03a

SHA512
e1f95267548a973a774db24f694c8645bb5402eb434566afb334bc028bdbde61488a53f462ca26d01378aacb2d4b10d60e407ce7d32876979e5e5e55b31004ee

Download Submit
C:\Windows\Vqykya.exe

Filesize
212KB

MD5
5fa1e8b903222be7c74edce61dfa0435

SHA1
0f4d80e03f5f17c6aa0880ea3c22edee48ee7298

SHA256
556a827f132cadd2d32f1f4d90b0a12e641b8124f70b79f6f8131ea0ea91f8b5

SHA512
590fa04022d0cbd85762ba1e5568c974674685b2c8d9337ebee2448a44bd66ea326844ab97c820cf087bf63ebfa70f1a8aa1ce53133190e060339eb029a76b71

Download Submit
memory/532-0-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/532-2-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/532-1-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/532-3-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/532-6-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/532-60347-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1444-18-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1444-17-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1444-22-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1444-120071-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download