0672665cb1acc33d45916388c33d8f6d034ab84b265fa51e3e209d525cad30a3

General

Target

fc494f36e9da2224c5fba333f88116b6_JaffaCakes118.exe
Size

192KB
MD5

fc494f36e9da2224c5fba333f88116b6
SHA1

6c19f0f50cc9fdc55fb4744b8542aa18b19ec7ac
SHA256

0672665cb1acc33d45916388c33d8f6d034ab84b265fa51e3e209d525cad30a3
SHA512

d872dc6a7384b17bd0a86352df58e3d9090c20467fab520a19b3fb288c4874d1ace0f2d980e735a7a1857c5c1a1f728a9098e8218b5b95b6577545208e2873f3
SSDEEP

3072:onkTEoQa7I3FadxJLzLDXKIt1Ii4lWMYer1kG5gbzGztnT7IptcwBf3KUeFbhlWW:QoQWI3MxJLzyItqWZeJ48tnutl3NeF9b

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1752	win53.exe
4944	apocalyps32.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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\runAPI34 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\runAPI33.exe\""	fc494f36e9da2224c5fba333f88116b6_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2292 set thread context of 1752	2292	fc494f36e9da2224c5fba333f88116b6_JaffaCakes118.exe	82

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1752-5-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral2/memory/1752-11-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral2/memory/1752-9-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral2/memory/1752-10-0x0000000000400000-0x0000000000427000-memory.dmp	upx
behavioral2/memory/1752-18-0x0000000000400000-0x0000000000427000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apocalyps32.exe	win53.exe
File opened for modification	C:\Windows\apocalyps32.exe	win53.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	fc494f36e9da2224c5fba333f88116b6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	win53.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	apocalyps32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 1752	2292	fc494f36e9da2224c5fba333f88116b6_JaffaCakes118.exe	82
PID 2292 wrote to memory of 1752	2292	fc494f36e9da2224c5fba333f88116b6_JaffaCakes118.exe	82
PID 2292 wrote to memory of 1752	2292	fc494f36e9da2224c5fba333f88116b6_JaffaCakes118.exe	82
PID 2292 wrote to memory of 1752	2292	fc494f36e9da2224c5fba333f88116b6_JaffaCakes118.exe	82
PID 2292 wrote to memory of 1752	2292	fc494f36e9da2224c5fba333f88116b6_JaffaCakes118.exe	82
PID 2292 wrote to memory of 1752	2292	fc494f36e9da2224c5fba333f88116b6_JaffaCakes118.exe	82
PID 2292 wrote to memory of 1752	2292	fc494f36e9da2224c5fba333f88116b6_JaffaCakes118.exe	82
PID 2292 wrote to memory of 1752	2292	fc494f36e9da2224c5fba333f88116b6_JaffaCakes118.exe	82
PID 1752 wrote to memory of 4944	1752	win53.exe	83
PID 1752 wrote to memory of 4944	1752	win53.exe	83
PID 1752 wrote to memory of 4944	1752	win53.exe	83

C:\Users\Admin\AppData\Local\Temp\fc494f36e9da2224c5fba333f88116b6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc494f36e9da2224c5fba333f88116b6_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Users\Admin\AppData\Local\Temp\win53.exe
  C:\Users\Admin\AppData\Local\Temp\win53.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1752
- - C:\Windows\apocalyps32.exe
    -bs
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\win53.exe

Filesize
7KB

MD5
d79efb472a22ad75d501317b21e66b5e

SHA1
24512f54884d3dda2d803457bbd3dcd513356196

SHA256
7255b1d1f001b9d9a5177e1f8063bcc824effe3570e6c19508babe12bb73c7d6

SHA512
7c5a2f516a727ddeb05f9a7c6565375debb05709ac9b95212fc748cba37a2ab81b7d727636141096e4511679ce140b07b37fdf36cfb47d8d1c8accdd24163ae5

Download Submit
memory/1752-5-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1752-11-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1752-9-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1752-10-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1752-18-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2292-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

Filesize
4KB

Download
memory/2292-1-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/2292-2-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download
memory/2292-21-0x0000000074AD0000-0x0000000075081000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads