2cee0c529de216937ee9c1533024d09a86871e6d9b2bccf57b0cee0409ca0257

Analysis

max time kernel
139s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 01:23

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General

Target

88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe
Size

30KB
MD5

88717db803bbd281ef85add676ae4fa3
SHA1

55e1102e17cfbc05ea15111ab59a1a7674e1d110
SHA256

2cee0c529de216937ee9c1533024d09a86871e6d9b2bccf57b0cee0409ca0257
SHA512

c90d03f21d5de0167b4e35dfb3d74db32d15153d6921aa224fa6aa1157cf9f926cf866765691b35eb796164a07968720db98e5a949654f8cb0e32c515087aff0
SSDEEP

768:Q4BRQpmyPUalY4hZvrQHiv60uwdkrwWPmv:pRl4hZv4iv69wZW6

Score

7^/10

discovery upx

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1240	88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1240-0-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/1240-4-0x0000000010000000-0x0000000010015000-memory.dmp	upx
behavioral2/files/0x00090000000233eb-3.dat	upx
behavioral2/memory/1240-7-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/1240-8-0x0000000010000000-0x0000000010015000-memory.dmp	upx
behavioral2/memory/1240-14-0x0000000000400000-0x0000000000411000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\nnnmjhi.dll	88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\nnnmjhi.dll	88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe

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	88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1240	88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe
1240	88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1240	88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1240	88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 612	1240	88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe	5
PID 1240 wrote to memory of 3224	1240	88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe	95
PID 1240 wrote to memory of 3224	1240	88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe	95
PID 1240 wrote to memory of 3224	1240	88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe	95
PID 1240 wrote to memory of 1692	1240	88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe	96
PID 1240 wrote to memory of 1692	1240	88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe	96
PID 1240 wrote to memory of 1692	1240	88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe	96

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Users\Admin\AppData\Local\Temp\88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe ,Activate
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3224
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\removalfile.bat "C:\Users\Admin\AppData\Local\Temp\88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1692

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:\Users\Admin\AppData\Local\Temp\removalfile.bat

Filesize
43B

MD5
9a7ef09167a6f4433681b94351509043

SHA1
259b1375ed8e84943ca1d42646bb416325c89e12

SHA256
d5739a0510d89da572eb0b0d394d4fb4dd361cd9ee0144b9b31c590df93c3be7

SHA512
96b84cd88a0e4b7c1122af3ed6ce5edf0a9a4e9bf79575eadfac16b2c46f1278d57755d29f21d7c6dcb4403be24b7ac7da4837c6cc9c602342a8f2b8e54883df

Download Submit
C:\Windows\SysWOW64\nnnmjhi.dll

Filesize
26KB

MD5
3fb9c472ff08eb22bae1b0a8f913d6d5

SHA1
1186f3b30f57883ffec0e2bb764763ac25dbe21a

SHA256
af7aee7a7d6a5e27d9d0ff7f61274dda54f38ce8733dce4aef63d9480662be8f

SHA512
a6a8adec15b707b9de28f0ff2070f81c4acd02ec31a6677a385696991ea83ca6524c352b58e8643884574fddf2bfdaed1fcfa776b7a4e6a9c2792e3ec6bb3c07

Download Submit
memory/1240-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1240-4-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1240-7-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1240-8-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1240-14-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download