a5fd520d9b8240862f015347f24d84087307aa21574fd45cb3d5ceb01e6b8420

General

Target

43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe
Size

4.7MB
MD5

43d03bd7854b534dfe6d3fe0bfcc2381
SHA1

8d9a9864afa85c7ca95cde024b715bcf903b9b3f
SHA256

a5fd520d9b8240862f015347f24d84087307aa21574fd45cb3d5ceb01e6b8420
SHA512

eeab32112890d4229ca54c86c8db4838a123a052686cf72d36b30e6fa199cbb1612411937c1cc7797434e4611dc2a1cffd19b92671be128b1d7d7ed6a9e28e2e
SSDEEP

98304:Ae4d8iEityhkhqloaxeq7jhIXUvPBnnom2LSqLyI:nCnyhkhBaxem1tPBn2uqx

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2888-0-0x0000000000F00000-0x0000000001D34000-memory.dmp	upx
behavioral1/memory/2700-25-0x0000000000F00000-0x0000000001D34000-memory.dmp	upx
behavioral1/memory/2888-28-0x0000000000F00000-0x0000000001D34000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Maps connected drives based on registry 3 TTPs 3 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\Count	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2888 set thread context of 2700	2888	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe	28

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2700	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe
2700	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2888	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe
2700	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe
2700	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe
2700	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe
2700	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2700	2888	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe	28
PID 2888 wrote to memory of 2700	2888	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe	28
PID 2888 wrote to memory of 2700	2888	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe	28
PID 2888 wrote to memory of 2700	2888	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe	28
PID 2888 wrote to memory of 2700	2888	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe	28
PID 2888 wrote to memory of 2700	2888	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe	28
PID 2888 wrote to memory of 2700	2888	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe	28
PID 2888 wrote to memory of 2700	2888	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe	28
PID 2888 wrote to memory of 2700	2888	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe	28
PID 2888 wrote to memory of 2700	2888	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe	28
PID 2888 wrote to memory of 2700	2888	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe	28
PID 2888 wrote to memory of 2700	2888	43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Users\Admin\AppData\Local\Temp\43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\43d03bd7854b534dfe6d3fe0bfcc2381_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2700-23-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2700-35-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2700-2-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2700-48-0x0000000000E70000-0x0000000000E80000-memory.dmp

Filesize
64KB

Download
memory/2700-4-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2700-5-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2700-7-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2700-10-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2700-13-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2700-16-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2700-19-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2700-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-37-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2700-36-0x0000000004630000-0x0000000005464000-memory.dmp

Filesize
14.2MB

Download
memory/2700-30-0x0000000004630000-0x0000000005464000-memory.dmp

Filesize
14.2MB

Download
memory/2700-24-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2700-26-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2700-29-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2700-25-0x0000000000F00000-0x0000000001D34000-memory.dmp

Filesize
14.2MB

Download
memory/2700-32-0x0000000000E70000-0x0000000000E80000-memory.dmp

Filesize
64KB

Download
memory/2700-33-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2700-34-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2888-28-0x0000000000F00000-0x0000000001D34000-memory.dmp

Filesize
14.2MB

Download
memory/2888-0-0x0000000000F00000-0x0000000001D34000-memory.dmp

Filesize
14.2MB

Download
memory/2888-1-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/2888-3-0x0000000003F40000-0x0000000004D74000-memory.dmp

Filesize
14.2MB

Download

Analysis

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