48141214ec470e8c6a4a621585887d828fb77b7e703a236e555959bfbe67c062

Analysis

max time kernel
141s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 14:32

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General

Target

f638451ae289cc1f0aa0752513cd29bc_JaffaCakes118.exe
Size

1.7MB
MD5

f638451ae289cc1f0aa0752513cd29bc
SHA1

6d6bdca66bbb84e44e9988f9816bf0a68c7c4f52
SHA256

48141214ec470e8c6a4a621585887d828fb77b7e703a236e555959bfbe67c062
SHA512

273005ea0e7a37e476189dad15c799614a0f6cc61df5b5bf5768249a3c20854f330cb3dd580d8a0168850f94baa008f9097a029857692ff5e107635055bc38f7
SSDEEP

49152:Xc2GXY9NoNdIkzA+VufOrVaWTfXQeSxZN8:XUXANoEkzA+VumrVaWmR8

Score

7^/10

discovery evasion themida

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2928	Decrypted.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	f638451ae289cc1f0aa0752513cd29bc_JaffaCakes118.exe

Loads dropped DLL 5 IoCs

pid	Process
2704	f638451ae289cc1f0aa0752513cd29bc_JaffaCakes118.exe
2704	f638451ae289cc1f0aa0752513cd29bc_JaffaCakes118.exe
2116	WerFault.exe
2116	WerFault.exe
2116	WerFault.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2704-0-0x0000000000400000-0x00000000005B4000-memory.dmp	themida
behavioral1/memory/2704-15-0x0000000000400000-0x00000000005B4000-memory.dmp	themida

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2116	2928	WerFault.exe	30

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	f638451ae289cc1f0aa0752513cd29bc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Decrypted.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2704	f638451ae289cc1f0aa0752513cd29bc_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2928	2704	f638451ae289cc1f0aa0752513cd29bc_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2928	2704	f638451ae289cc1f0aa0752513cd29bc_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2928	2704	f638451ae289cc1f0aa0752513cd29bc_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2928	2704	f638451ae289cc1f0aa0752513cd29bc_JaffaCakes118.exe	30
PID 2928 wrote to memory of 2116	2928	Decrypted.exe	31
PID 2928 wrote to memory of 2116	2928	Decrypted.exe	31
PID 2928 wrote to memory of 2116	2928	Decrypted.exe	31
PID 2928 wrote to memory of 2116	2928	Decrypted.exe	31

C:\Users\Admin\AppData\Local\Temp\f638451ae289cc1f0aa0752513cd29bc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f638451ae289cc1f0aa0752513cd29bc_JaffaCakes118.exe"
1⤵
- Identifies Wine through registry keys
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Users\Admin\AppData\Local\Temp\Decrypted.exe
  "C:\Users\Admin\AppData\Local\Temp\Decrypted.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 36
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\Decrypted.exe

Filesize
9KB

MD5
9a050ed295d5132c34fdbb0194510b6c

SHA1
c98f278f49cafdeba6eba630f44b9f79779ebd0e

SHA256
489a832955b604e42ddff813fc0d7c0b1e3ad51ba6b5284bd70a01ee53777e7c

SHA512
d168a3b7e84dfb30ea9130ab1e36f6ad766925e322cbdaae891e6816978857c13c2e2743100c211313f3efceb78c1ee48c120f3127e877e9f31719bff4b9c373

Download Submit
memory/2704-0-0x0000000000400000-0x00000000005B4000-memory.dmp

Filesize
1.7MB

Download
memory/2704-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/2704-15-0x0000000000400000-0x00000000005B4000-memory.dmp

Filesize
1.7MB

Download
memory/2928-19-0x0000000000400000-0x0000000000402400-memory.dmp

Filesize
9KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads