cf47ed4ad574d5795013ffd6192447854ce56e68fa12983a8f285e1656087892

Analysis

max time kernel
131s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 06:06

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General

Target

b25bfb1a934a87e7a4c507a913309230_JaffaCakes118.exe
Size

403KB
MD5

b25bfb1a934a87e7a4c507a913309230
SHA1

b69115304882c063973cc63dfd38d63291977df2
SHA256

cf47ed4ad574d5795013ffd6192447854ce56e68fa12983a8f285e1656087892
SHA512

8cbe20eb559da5f174e8eb700a8e361fd94a42dee71b7f908f5b63a9d99a7e14a6b15e1a4d20da5709dc2d30de1071485b47392954a99e79fe62bd09a549a2d2
SSDEEP

6144:1Ey+E5CZfR0o+Ht1TvtOKlNHi1jbhlI6/PbkS3jlua5ZkfgUzLNK9PGRV:2DE5Cdyo+Ht1TvYKTHGn3vua7kfgPOn

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1680	Upovya.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4496-0-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral2/files/0x000e0000000233fa-9.dat	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	b25bfb1a934a87e7a4c507a913309230_JaffaCakes118.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	b25bfb1a934a87e7a4c507a913309230_JaffaCakes118.exe
File created	C:\Windows\Upovya.exe	b25bfb1a934a87e7a4c507a913309230_JaffaCakes118.exe
File opened for modification	C:\Windows\Upovya.exe	b25bfb1a934a87e7a4c507a913309230_JaffaCakes118.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Upovya.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Upovya.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
43284	1680	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b25bfb1a934a87e7a4c507a913309230_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Upovya.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\Main	Upovya.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe
1680	Upovya.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 1680	4496	b25bfb1a934a87e7a4c507a913309230_JaffaCakes118.exe	87
PID 4496 wrote to memory of 1680	4496	b25bfb1a934a87e7a4c507a913309230_JaffaCakes118.exe	87
PID 4496 wrote to memory of 1680	4496	b25bfb1a934a87e7a4c507a913309230_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\b25bfb1a934a87e7a4c507a913309230_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b25bfb1a934a87e7a4c507a913309230_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Windows\Upovya.exe
  C:\Windows\Upovya.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:1680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 800
    3⤵
    - Program crash
    PID:43284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1680 -ip 1680
1⤵
PID:48104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

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
7de786224d7dadffbbe620cf958339d8

SHA1
ddaf4f4987f86751837ae70e2c8da6599624bb12

SHA256
7c310e391d892d6d56a41bffc89559539e8c46a03ccf7a227d4fd469ece338ed

SHA512
e209b6e0d7beef12c4846ed18c2240c82498a196389f49b2d8ae06a33d898b7c6fb4b2bf1c56eccd64fead5e4238ff9e119f505d94a942b5b78a3e50bd58717c

Download Submit
C:\Windows\Upovya.exe

Filesize
403KB

MD5
b25bfb1a934a87e7a4c507a913309230

SHA1
b69115304882c063973cc63dfd38d63291977df2

SHA256
cf47ed4ad574d5795013ffd6192447854ce56e68fa12983a8f285e1656087892

SHA512
8cbe20eb559da5f174e8eb700a8e361fd94a42dee71b7f908f5b63a9d99a7e14a6b15e1a4d20da5709dc2d30de1071485b47392954a99e79fe62bd09a549a2d2

Download Submit
memory/1680-18-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1680-53078-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1680-138413-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4496-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/4496-1-0x0000000002070000-0x0000000002071000-memory.dmp

Filesize
4KB

Download
memory/4496-4-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4496-19447-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/4496-92216-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download