e505e79a852a749212b764b92f759c1df5f091459464ef5dc2a6c60641627651

Analysis

max time kernel
110s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 05:09

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General

Target

2b6c924de6cc878cf4b8fb45ea27f867_JaffaCakes118.exe
Size

76KB
MD5

2b6c924de6cc878cf4b8fb45ea27f867
SHA1

6c235089418fd10f3b3fa7ce0ce63004cc96b9b2
SHA256

e505e79a852a749212b764b92f759c1df5f091459464ef5dc2a6c60641627651
SHA512

0f08506bce670d7f3123391e9b20ff41fe4d7f7793aaac82eb2865974114d0a992f89f756f89f726799de612a8586c3f86241b48a65c2daf3ec2df5c547c63aa
SSDEEP

1536:AHVlak83uOPt780DtChboWMeqZoGjy5ntdVmI81:AnWuOF7O8Sew/S1

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3236	Winkhx.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Winkhx.exe	2b6c924de6cc878cf4b8fb45ea27f867_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Winkhx.exe	2b6c924de6cc878cf4b8fb45ea27f867_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4892-2-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/4892-4-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/4892-7-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/4892-6-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/4892-5-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/4892-22-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/4892-21-0x0000000000400000-0x0000000000499000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
60	3236	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 1 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	2b6c924de6cc878cf4b8fb45ea27f867_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTcbPrivilege	4892	2b6c924de6cc878cf4b8fb45ea27f867_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\2b6c924de6cc878cf4b8fb45ea27f867_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2b6c924de6cc878cf4b8fb45ea27f867_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4892

C:\Windows\SysWOW64\Winkhx.exe
C:\Windows\SysWOW64\Winkhx.exe
1⤵
- Executes dropped EXE
PID:3236
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3236 -s 216
  2⤵
  - Program crash
  PID:60

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3236 -ip 3236
1⤵
PID:1532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\SysWOW64\Winkhx.exe

Filesize
78KB

MD5
685362bcbba3fe098a84fb9d66717ed6

SHA1
b9f7ab155b7ab51686fb379f18022e81a6b7c805

SHA256
ee7b9d5c628eb69139487bf475210a7faae00db4f92931e353a9068fc4ec21f6

SHA512
b6a4d93d7b56e6258e7fb4df199b9e51f001ca79902da145965c1139ad19add48ca3366aa084d7425880c13695c08db92da1cdce18bb532c0b2f082280658ea2

Download Submit
memory/3236-20-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4892-0-0x00000000001C0000-0x00000000001C3000-memory.dmp

Filesize
12KB

Download
memory/4892-2-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/4892-4-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/4892-7-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4892-6-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/4892-5-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/4892-1-0x0000000000401000-0x000000000048E000-memory.dmp

Filesize
564KB

Download
memory/4892-22-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4892-21-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download