6d1f83c09e103966f9a1f36794a5e48982eb04fb1f64fcf889eb93f549f37840

Analysis

max time kernel
94s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 20:29

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General

Target

106890fee6d3fd9855ef37ac737edec4_JaffaCakes118.exe
Size

42KB
MD5

106890fee6d3fd9855ef37ac737edec4
SHA1

e79d03e59ffc8d8e9778333587ef6666469fa56e
SHA256

6d1f83c09e103966f9a1f36794a5e48982eb04fb1f64fcf889eb93f549f37840
SHA512

06b5cfb94fa61b1b7e35a6d1eec6db9052137419cc9168c17f1022cee0ee52e801022c482e8fa4c5a3097b8cab36e3d9c728c787c35e25f494ef1fd3350cd8de
SSDEEP

768:NHlTrJF8RWmixDuct6CLHyopoToJSOx62LsNNAjpk:NFXJF8exDNthzwY

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1516	WinHelp32.exe
776	WinHelp32.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 776 set thread context of 2916	776	WinHelp32.exe	85

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\WinHelp32.exe	106890fee6d3fd9855ef37ac737edec4_JaffaCakes118.exe
File opened for modification	C:\Program Files\Internet Explorer\WinHelp32.exe	106890fee6d3fd9855ef37ac737edec4_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4000	2916	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 4 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	106890fee6d3fd9855ef37ac737edec4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WinHelp32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WinHelp32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4108	106890fee6d3fd9855ef37ac737edec4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 1516	4108	106890fee6d3fd9855ef37ac737edec4_JaffaCakes118.exe	82
PID 4108 wrote to memory of 1516	4108	106890fee6d3fd9855ef37ac737edec4_JaffaCakes118.exe	82
PID 4108 wrote to memory of 1516	4108	106890fee6d3fd9855ef37ac737edec4_JaffaCakes118.exe	82
PID 4108 wrote to memory of 2500	4108	106890fee6d3fd9855ef37ac737edec4_JaffaCakes118.exe	83
PID 4108 wrote to memory of 2500	4108	106890fee6d3fd9855ef37ac737edec4_JaffaCakes118.exe	83
PID 4108 wrote to memory of 2500	4108	106890fee6d3fd9855ef37ac737edec4_JaffaCakes118.exe	83
PID 776 wrote to memory of 2916	776	WinHelp32.exe	85
PID 776 wrote to memory of 2916	776	WinHelp32.exe	85
PID 776 wrote to memory of 2916	776	WinHelp32.exe	85
PID 776 wrote to memory of 2916	776	WinHelp32.exe	85
PID 776 wrote to memory of 2916	776	WinHelp32.exe	85

C:\Users\Admin\AppData\Local\Temp\106890fee6d3fd9855ef37ac737edec4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\106890fee6d3fd9855ef37ac737edec4_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4108
- C:\Program Files\Internet Explorer\WinHelp32.exe
  "C:\Program Files\Internet Explorer\WinHelp32.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1516
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C del C:\Users\Admin\AppData\Local\Temp\106890~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2500

C:\Program Files\Internet Explorer\WinHelp32.exe
"C:\Program Files\Internet Explorer\WinHelp32.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:776
- C:\Windows\SysWOW64\explorer.exe
  C:\Windows\system32\explorer.exe
  2⤵
  PID:2916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 12
    3⤵
    - Program crash
    PID:4000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2916 -ip 2916
1⤵
PID:968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

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:\Program Files\Internet Explorer\WinHelp32.exe

Filesize
42KB

MD5
106890fee6d3fd9855ef37ac737edec4

SHA1
e79d03e59ffc8d8e9778333587ef6666469fa56e

SHA256
6d1f83c09e103966f9a1f36794a5e48982eb04fb1f64fcf889eb93f549f37840

SHA512
06b5cfb94fa61b1b7e35a6d1eec6db9052137419cc9168c17f1022cee0ee52e801022c482e8fa4c5a3097b8cab36e3d9c728c787c35e25f494ef1fd3350cd8de

Download Submit
memory/776-9-0x0000000000400000-0x0000000000412200-memory.dmp

Filesize
72KB

Download
memory/2916-8-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4108-0-0x0000000000400000-0x0000000000412200-memory.dmp

Filesize
72KB

Download
memory/4108-6-0x0000000000400000-0x0000000000412200-memory.dmp

Filesize
72KB

Download