d9c97faa5306e42f4894cf1387f3f22142a0cb98f49829bdd6ad456cb7da758b

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
19/08/2024, 06:35

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General

Target

a9f74d370b7440c18c65bffb5536c957_JaffaCakes118.exe
Size

21KB
MD5

a9f74d370b7440c18c65bffb5536c957
SHA1

c9d7959b3912bcaedc2bc837f1e11d1ef04cd87d
SHA256

d9c97faa5306e42f4894cf1387f3f22142a0cb98f49829bdd6ad456cb7da758b
SHA512

9749dd28e064bb6fd8c8f69f7590380a0fe586d0c1058e6fce9a69a39a4c3cc6296a7cf84bb0544eb76c65e4ec0910330640f0dd78fc5ac29321f1e81e8b78cf
SSDEEP

384:JXAbG6ByACTJznwDhGKQer5ypPxqg56baS83AN2f9XbJQWZfzu33T:WbV683yNxikegpG

Score

7^/10

defense_evasion discovery upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2672	cmd.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2692-0-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/2692-13-0x0000000000400000-0x000000000040C000-memory.dmp	upx

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 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\perfctrs.dll.rep	a9f74d370b7440c18c65bffb5536c957_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\perfctrs.dll.rep	a9f74d370b7440c18c65bffb5536c957_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\DllCache\perfctrs.dll	a9f74d370b7440c18c65bffb5536c957_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\Noy4386.tmp	a9f74d370b7440c18c65bffb5536c957_JaffaCakes118.exe
File opened for modification	C:\Windows\system\Noy4386.tmp	a9f74d370b7440c18c65bffb5536c957_JaffaCakes118.exe

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	a9f74d370b7440c18c65bffb5536c957_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2692	a9f74d370b7440c18c65bffb5536c957_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2672	2692	a9f74d370b7440c18c65bffb5536c957_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2672	2692	a9f74d370b7440c18c65bffb5536c957_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2672	2692	a9f74d370b7440c18c65bffb5536c957_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2672	2692	a9f74d370b7440c18c65bffb5536c957_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\a9f74d370b7440c18c65bffb5536c957_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a9f74d370b7440c18c65bffb5536c957_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\a9f74d370b7440c18c65bffb5536c957_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2672

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Noy4386.tmp

Filesize
13KB

MD5
c5e9fab00847104017025ee6c436eafa

SHA1
54f7cbaf27363ed4255b510f8340780171d4a8dc

SHA256
edc760b4556b7251639830e9be5f6ff58d0f9deacf8bc3dac7a4c0382eaf9bcb

SHA512
d4180b5c9c407a414683c614a4efbeffc19eb2bf9c112259bd936eaf8042891c14cee98b08cb7410c601f135c18533b60949088f051158859cdbf810821f7975

Download Submit
memory/2692-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2692-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download