9409cc9a8344450dca6fe3b4be6fcfb66bcf83a60cb67824257b47bdbe849c43

General

Target

a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe
Size

3.8MB
MD5

a379a77933c88a9f1b779cb0da7854cf
SHA1

a3631847582341f727fba8a06990e97ea1b982b8
SHA256

9409cc9a8344450dca6fe3b4be6fcfb66bcf83a60cb67824257b47bdbe849c43
SHA512

daf0f329b9e7010d432540811e2b5fad81c08dd0b6dd0f4d8ffd8cd365c934a152f92a6815792b809cf8b7d38bf6cd8086adbe210a074912a0ffe7cae3674fcb
SSDEEP

98304:uZuarCtWyX0p+tUFHtrXCDHGkSn8b+vPdi:uZHrzyG+2aDHGkS8C4

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/2420-0-0x0000000000F00000-0x00000000019F4000-memory.dmp	upx
behavioral1/memory/2936-25-0x0000000000F00000-0x00000000019F4000-memory.dmp	upx
behavioral1/memory/2420-26-0x0000000000F00000-0x00000000019F4000-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	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\Count	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2420 set thread context of 2936	2420	a379a77933c88a9f1b779cb0da7854cf_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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Main	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2936	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe
2936	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2936	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe
2936	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe
2936	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe
2936	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2936	2420	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe	28
PID 2420 wrote to memory of 2936	2420	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe	28
PID 2420 wrote to memory of 2936	2420	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe	28
PID 2420 wrote to memory of 2936	2420	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe	28
PID 2420 wrote to memory of 2936	2420	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe	28
PID 2420 wrote to memory of 2936	2420	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe	28
PID 2420 wrote to memory of 2936	2420	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe	28
PID 2420 wrote to memory of 2936	2420	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe	28
PID 2420 wrote to memory of 2936	2420	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe	28
PID 2420 wrote to memory of 2936	2420	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe	28
PID 2420 wrote to memory of 2936	2420	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe	28
PID 2420 wrote to memory of 2936	2420	a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Local\Temp\a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a379a77933c88a9f1b779cb0da7854cf_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2936

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/2420-26-0x0000000000F00000-0x00000000019F4000-memory.dmp

Filesize
11.0MB

Download
memory/2420-1-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2420-0-0x0000000000F00000-0x00000000019F4000-memory.dmp

Filesize
11.0MB

Download
memory/2420-22-0x0000000003F20000-0x0000000004A14000-memory.dmp

Filesize
11.0MB

Download
memory/2936-11-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2936-6-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2936-23-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2936-27-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2936-21-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2936-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2936-15-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2936-13-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2936-2-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2936-25-0x0000000000F00000-0x00000000019F4000-memory.dmp

Filesize
11.0MB

Download
memory/2936-17-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2936-9-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2936-4-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2936-28-0x0000000004480000-0x0000000004F74000-memory.dmp

Filesize
11.0MB

Download
memory/2936-30-0x0000000004400000-0x0000000004410000-memory.dmp

Filesize
64KB

Download
memory/2936-31-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2936-32-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2936-33-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2936-34-0x0000000004480000-0x0000000004F74000-memory.dmp

Filesize
11.0MB

Download
memory/2936-35-0x0000000004400000-0x0000000004410000-memory.dmp

Filesize
64KB

Download

Analysis

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