08437c4981b4b0c2104ae9b0cbeb25d714a71c7bcdd784b8a9af6ab5f320a2ed

General

Target

eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe
Size

46KB
MD5

eab73bf445116b41b87df7850cad3636
SHA1

76d7e55936b8b524e36ade1efe18fbbd231f8d8d
SHA256

08437c4981b4b0c2104ae9b0cbeb25d714a71c7bcdd784b8a9af6ab5f320a2ed
SHA512

adf59f99418dada31c9cd51a041d231a5de177cedaeaf9f4a9392039451fc672083d3a5cf14551959d16c857dadc834ebd156b412362ffcd77fddad46ba48363
SSDEEP

768:x2K9d483EzS5ql+JIZJVD+nviU8hEYUvB6nbnJ41dXbXwpLb17qxrYX:x2K9W8EeRIszlYUvB6nbnJ41dXbQv17B

Score

7^/10

discovery upx

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3020	cmd.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1560-0-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1560 set thread context of 2312	1560	eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
904	2312	WerFault.exe	30

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	eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1560	eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1560	eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 2312	1560	eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe	30
PID 1560 wrote to memory of 2312	1560	eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe	30
PID 1560 wrote to memory of 2312	1560	eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe	30
PID 1560 wrote to memory of 2312	1560	eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe	30
PID 1560 wrote to memory of 2312	1560	eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe	30
PID 1560 wrote to memory of 2312	1560	eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe	30
PID 2312 wrote to memory of 904	2312	svchost.exe	31
PID 2312 wrote to memory of 904	2312	svchost.exe	31
PID 2312 wrote to memory of 904	2312	svchost.exe	31
PID 2312 wrote to memory of 904	2312	svchost.exe	31
PID 1560 wrote to memory of 3020	1560	eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe	32
PID 1560 wrote to memory of 3020	1560	eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe	32
PID 1560 wrote to memory of 3020	1560	eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe	32
PID 1560 wrote to memory of 3020	1560	eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1560
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\system32\svchost.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 124
    3⤵
    - Program crash
    PID:904
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c for /l %i in (1,1,4000000000) do if not exist "C:\Users\Admin\AppData\Local\Temp\eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe" (exit) else (del /f "C:\Users\Admin\AppData\Local\Temp\eab73bf445116b41b87df7850cad3636_JaffaCakes118.exe")
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1560-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1560-1-0x00000000001C0000-0x00000000001C2000-memory.dmp

Filesize
8KB

Download
memory/1560-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1560-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2312-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2312-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2312-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2312-9-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

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