9d8761807c953e141a0434e14c8a9de89a76d702b95b8fdc05658dc3fb1be709

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/09/2024, 11:50

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General

Target

fa5a6cc78df049e588cb418a85a36df1_JaffaCakes118.exe
Size

38KB
MD5

fa5a6cc78df049e588cb418a85a36df1
SHA1

13aaee9f39c6b2a9515d5c901c436731df00cd0e
SHA256

9d8761807c953e141a0434e14c8a9de89a76d702b95b8fdc05658dc3fb1be709
SHA512

b490b0e69db0049f8a8498939ea439f935b24e0f2bc4d10493d7d910b3953357b317ef41f3d02488a96c5f0e75250ae8456ced7ebe420bbab1073538a1e536f8
SSDEEP

768:xeV8PtvqEjPCMm2UdHZwAqou9TMR75l9rpNz7BngSeutse4RTm:iEBrUYAqo1hXJBe95Tm

Score

7^/10

defense_evasion discovery upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2472	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1868	fa5a6cc78df049e588cb418a85a36df1_JaffaCakes118.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

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\RcmttsC.dll	fa5a6cc78df049e588cb418a85a36df1_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1868-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral1/memory/1868-6-0x0000000000400000-0x0000000000417000-memory.dmp	upx

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa5a6cc78df049e588cb418a85a36df1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1868	fa5a6cc78df049e588cb418a85a36df1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2472	1868	fa5a6cc78df049e588cb418a85a36df1_JaffaCakes118.exe	31
PID 1868 wrote to memory of 2472	1868	fa5a6cc78df049e588cb418a85a36df1_JaffaCakes118.exe	31
PID 1868 wrote to memory of 2472	1868	fa5a6cc78df049e588cb418a85a36df1_JaffaCakes118.exe	31
PID 1868 wrote to memory of 2472	1868	fa5a6cc78df049e588cb418a85a36df1_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\fa5a6cc78df049e588cb418a85a36df1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa5a6cc78df049e588cb418a85a36df1_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\FA5A6C~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2472

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

\Windows\SysWOW64\RcmttsC.dll

Filesize
60KB

MD5
db142cd12d387f47961c907ce5ae9388

SHA1
fc303292be63d5909e65bb7d386c9da669551794

SHA256
8ac79f7ea88e8ab8b1ed109501c5afac694b038654ab247af15e33c9487aebd9

SHA512
2168113cba9e313ae8d47d361f5b7197a8f5371bf658388a516b4204a2965bf4705ed190fc5779272a3acc609be41d1385753c4bc62327d15a29be05c910e5f8

Download Submit
memory/1868-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1868-6-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download