59420289a875421fcdfad69cc22caec3ac6d65a452feff54b7264304bf791748

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15/09/2024, 12:18

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General

Target

e27733f1963c8003e64924a21b922935_JaffaCakes118.exe
Size

22KB
MD5

e27733f1963c8003e64924a21b922935
SHA1

dadd62ebbf8367c1fc2ff9f8229e51176a92d391
SHA256

59420289a875421fcdfad69cc22caec3ac6d65a452feff54b7264304bf791748
SHA512

e15973c459bfef013bbcbbb88403e463f7b76f0f11148104f6721f6838da5077085c3ef25350085aa522c817445b83602beb495148a44af1d1ed6eab82d0f70c
SSDEEP

384:kb7SsYNqbcgQshC+SWZX9/6fIqkHPnGrirMD4dAsIn3TpUaQQ:+7Fbcgbd9SA/HP1MGYNU

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1640	dfrgfat32.exe

Impair Defenses: Safe Mode Boot 1 TTPs 2 IoCs

defense_evasion

Safe Mode Boot

T1562.009

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\FAT Defragmentation	dfrgfat32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\FAT Defragmentation\ = "Service"	dfrgfat32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dfrgfat32.exe	e27733f1963c8003e64924a21b922935_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\dfrgfat32.exe	e27733f1963c8003e64924a21b922935_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\dfrgfat32.exe	dfrgfat32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1396	1640	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 3 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	e27733f1963c8003e64924a21b922935_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dfrgfat32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 1640	5032	e27733f1963c8003e64924a21b922935_JaffaCakes118.exe	85
PID 5032 wrote to memory of 1640	5032	e27733f1963c8003e64924a21b922935_JaffaCakes118.exe	85
PID 5032 wrote to memory of 1640	5032	e27733f1963c8003e64924a21b922935_JaffaCakes118.exe	85
PID 5032 wrote to memory of 4488	5032	e27733f1963c8003e64924a21b922935_JaffaCakes118.exe	93
PID 5032 wrote to memory of 4488	5032	e27733f1963c8003e64924a21b922935_JaffaCakes118.exe	93
PID 5032 wrote to memory of 4488	5032	e27733f1963c8003e64924a21b922935_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\e27733f1963c8003e64924a21b922935_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e27733f1963c8003e64924a21b922935_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Windows\SysWOW64\dfrgfat32.exe
  C:\Windows\system32\dfrgfat32.exe
  2⤵
  - Executes dropped EXE
  - Impair Defenses: Safe Mode Boot
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1640 -s 1264
    3⤵
    - Program crash
    PID:1396
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\destroy.cmd C:\Users\Admin\AppData\Local\Temp\e27733f1963c8003e64924a21b922935_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\destroy.cmd
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1640 -ip 1640
1⤵
PID:1064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Safe Mode Boot

T1562.009

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\destroy.cmd

Filesize
105B

MD5
baa7e02670be801bbc88053906cd3cfd

SHA1
77e6ba7c88e537d4a429d158b32556b029992061

SHA256
ed9ca56eb043077229e56d79dc1f6863037607bf7eb10a368af8c0aea5680da2

SHA512
c7692ca0f30bee7cfe8e937bc9cf0e329d666e5fae844df693121f2678c224a85016eaf7a19e22ebbdf3b14e88bb1d7f1b86e944afdb2fd52cab7ad8aed2303f

Download Submit
C:\Windows\SysWOW64\dfrgfat32.exe

Filesize
22KB

MD5
e27733f1963c8003e64924a21b922935

SHA1
dadd62ebbf8367c1fc2ff9f8229e51176a92d391

SHA256
59420289a875421fcdfad69cc22caec3ac6d65a452feff54b7264304bf791748

SHA512
e15973c459bfef013bbcbbb88403e463f7b76f0f11148104f6721f6838da5077085c3ef25350085aa522c817445b83602beb495148a44af1d1ed6eab82d0f70c

Download Submit
memory/1640-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5032-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download