09bc98d112604bd76635a0d3dc328cf07f4d9ca6a89428030ede0573efc128e8

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
25/09/2024, 23:34

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General

Target

f713d3e8ef4d659f73c08fa416563bbc_JaffaCakes118.exe
Size

84KB
MD5

f713d3e8ef4d659f73c08fa416563bbc
SHA1

df42de68b0f3d8519568e7c63e57fe2757e9e7d7
SHA256

09bc98d112604bd76635a0d3dc328cf07f4d9ca6a89428030ede0573efc128e8
SHA512

33e5f43aa67a1565afcc5003fc0f7fc836b30f7bc853275abe5f29c6c0cf571f8050526510b84e9fb64a67d6d1766540a17326cab7be4573db35da9dfbf166f1
SSDEEP

1536:ls48w1BnnS2f6xmQms9fwlSfmdeaFAmvM94YD1aahvFhSP803Y3K0GAKm5UDx+X:lb8w1hnSwjS+dwIWgahvFmZoZGACc

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2148	Exyuyy.exe

Loads dropped DLL 2 IoCs

pid	Process
1392	f713d3e8ef4d659f73c08fa416563bbc_JaffaCakes118.exe
1392	f713d3e8ef4d659f73c08fa416563bbc_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\Exyuyy = "C:\\Users\\Admin\\AppData\\Roaming\\Exyuyy.exe"	f713d3e8ef4d659f73c08fa416563bbc_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1392-0-0x0000000000400000-0x0000000000430000-memory.dmp	upx
behavioral1/files/0x000c00000001226a-5.dat	upx
behavioral1/memory/1392-7-0x0000000000380000-0x00000000003B0000-memory.dmp	upx
behavioral1/memory/2148-14-0x0000000000400000-0x0000000000430000-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	f713d3e8ef4d659f73c08fa416563bbc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Exyuyy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2148	Exyuyy.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 2148	1392	f713d3e8ef4d659f73c08fa416563bbc_JaffaCakes118.exe	31
PID 1392 wrote to memory of 2148	1392	f713d3e8ef4d659f73c08fa416563bbc_JaffaCakes118.exe	31
PID 1392 wrote to memory of 2148	1392	f713d3e8ef4d659f73c08fa416563bbc_JaffaCakes118.exe	31
PID 1392 wrote to memory of 2148	1392	f713d3e8ef4d659f73c08fa416563bbc_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\f713d3e8ef4d659f73c08fa416563bbc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f713d3e8ef4d659f73c08fa416563bbc_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1392
- C:\Users\Admin\AppData\Roaming\Exyuyy.exe
  "C:\Users\Admin\AppData\Roaming\Exyuyy.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

\Users\Admin\AppData\Roaming\Exyuyy.exe

Filesize
84KB

MD5
f713d3e8ef4d659f73c08fa416563bbc

SHA1
df42de68b0f3d8519568e7c63e57fe2757e9e7d7

SHA256
09bc98d112604bd76635a0d3dc328cf07f4d9ca6a89428030ede0573efc128e8

SHA512
33e5f43aa67a1565afcc5003fc0f7fc836b30f7bc853275abe5f29c6c0cf571f8050526510b84e9fb64a67d6d1766540a17326cab7be4573db35da9dfbf166f1

Download Submit
memory/1392-0-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1392-1-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download
memory/1392-2-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1392-7-0x0000000000380000-0x00000000003B0000-memory.dmp

Filesize
192KB

Download
memory/2148-14-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2148-15-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2148-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads