24fc182e430c1d3e140af10bce14ca417f912dc93de5f2d5aeaaa9708b6a2623

Analysis

max time kernel
144s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 02:02

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General

Target

65b77dc9bcc299eb6c89b7a634c923d7_JaffaCakes118.exe
Size

409KB
MD5

65b77dc9bcc299eb6c89b7a634c923d7
SHA1

332deaaa6ffe33f5e7820a5d7ec9fd67e7b8395e
SHA256

24fc182e430c1d3e140af10bce14ca417f912dc93de5f2d5aeaaa9708b6a2623
SHA512

aeb4579f9f96cb3d4ce257558dbdf500c4ef192347952fae35bbb0c1f4fce470e5a1271d88fbc447482a7ddbb8dab85f5cfef2c620ed96c3af5f44759aa170d5
SSDEEP

12288:DA4goYcLbiCwhCXfVjIzU8F3Ug9DO7hzm9ubK3rrE4GWHG4:DAtcLECXpIz1F3Rk2304GW

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4368	Tkusya.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4396-0-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral2/files/0x000b00000002341f-9.dat	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	65b77dc9bcc299eb6c89b7a634c923d7_JaffaCakes118.exe
File created	C:\Windows\Tkusya.exe	65b77dc9bcc299eb6c89b7a634c923d7_JaffaCakes118.exe
File opened for modification	C:\Windows\Tkusya.exe	65b77dc9bcc299eb6c89b7a634c923d7_JaffaCakes118.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Tkusya.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Tkusya.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	65b77dc9bcc299eb6c89b7a634c923d7_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
31156	4368	WerFault.exe	89

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	Tkusya.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe
4368	Tkusya.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 4368	4396	65b77dc9bcc299eb6c89b7a634c923d7_JaffaCakes118.exe	89
PID 4396 wrote to memory of 4368	4396	65b77dc9bcc299eb6c89b7a634c923d7_JaffaCakes118.exe	89
PID 4396 wrote to memory of 4368	4396	65b77dc9bcc299eb6c89b7a634c923d7_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\65b77dc9bcc299eb6c89b7a634c923d7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\65b77dc9bcc299eb6c89b7a634c923d7_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Windows\Tkusya.exe
  C:\Windows\Tkusya.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:4368
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4368 -s 832
    3⤵
    - Program crash
    PID:31156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4368 -ip 4368
1⤵
PID:31160

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
5f241503e5584c4d2c87080bec761660

SHA1
1ea014c73024bdafea895c68174ac33f48a6e9a8

SHA256
5eab214b99b3d7316fe65b6ea42a6bc7f1251031e5a6c961092734da658bea28

SHA512
25e570293fb5c224e428b79428b326dd6ebd105bb3945e30b3b336bfe22834e8b5de5cdeb06b269b4689615169d736625d652e032d3827860c89d53fc8e8f62a

Download Submit
C:\Windows\Tkusya.exe

Filesize
409KB

MD5
65b77dc9bcc299eb6c89b7a634c923d7

SHA1
332deaaa6ffe33f5e7820a5d7ec9fd67e7b8395e

SHA256
24fc182e430c1d3e140af10bce14ca417f912dc93de5f2d5aeaaa9708b6a2623

SHA512
aeb4579f9f96cb3d4ce257558dbdf500c4ef192347952fae35bbb0c1f4fce470e5a1271d88fbc447482a7ddbb8dab85f5cfef2c620ed96c3af5f44759aa170d5

Download Submit
memory/4368-18-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4368-138410-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4396-0-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/4396-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/4396-4-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4396-41466-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download