d6890b0de0b96906eec7b6970bda85b566d73546fd2a6bc71eef15c0af222997

General

Target

834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe
Size

727KB
MD5

834bd88cfcc459b6357c4c0a446c035a
SHA1

ce72baf9529394b39db2df5afa182d76242fa59b
SHA256

d6890b0de0b96906eec7b6970bda85b566d73546fd2a6bc71eef15c0af222997
SHA512

f0778b198084dd74e452546d32d70fb6dd7b452f719988ffb983f5341f51200b0e3deee65bb1f951500d4438185829edbbf42b36a710eda4db2f540f794a3a68
SSDEEP

12288:CkilPpTWSGETtk42iYAuIkFtvf1Z2JfQDqqFqqFqqJP:DiDPTtk42E6fz20qMqMq

Score

9^/10

discovery evasion upx

Malware Config

Signatures

Checks for common network interception software 1 TTPs
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
evasion

Software Discovery
T1518

Enumerates VirtualBox registry keys 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5056-0-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/5056-14-0x0000000000400000-0x00000000004B8000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5056 set thread context of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1428	1816	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 1 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	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1816	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe
1816	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86
PID 5056 wrote to memory of 1816	5056	834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Users\Admin\AppData\Local\Temp\834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\834bd88cfcc459b6357c4c0a446c035a_JaffaCakes118.exe
  2⤵
  - Enumerates VirtualBox registry keys
  - Suspicious behavior: EnumeratesProcesses
  PID:1816
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 532
    3⤵
    - Program crash
    PID:1428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1816 -ip 1816
1⤵
PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

Software Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1816-7-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1816-3-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1816-11-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1816-10-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1816-13-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1816-9-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1816-8-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1816-4-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1816-15-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1816-5-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1816-6-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1816-2-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1816-1-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/5056-14-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/5056-0-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads