b76924e6bc9b4f0036dbed373a01f8db35051b6aee7db43903c16bd392bd27fa

General

Target

b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe
Size

3.7MB
MD5

b6b94a46cf1bcbff0bf3a551d13137d5
SHA1

7d74c44f534ecbf1ed22b4ded1409609ae9cd109
SHA256

b76924e6bc9b4f0036dbed373a01f8db35051b6aee7db43903c16bd392bd27fa
SHA512

f069abd6e8e1a82e0c249336ae45cf92241de41f74e93dedbd9aee311f0c9360fab8810fd3f7e83d1f68f36c34f01ef637a3786f85825990a9efd23173937a39
SSDEEP

98304:haZH4mekKrBzFy+6n0hW4VXa1V1sHrAiJ2WWY:haZH5KlzYlktadsLARY

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2208-0-0x0000000000F00000-0x0000000001996000-memory.dmp	upx
behavioral1/memory/2208-1-0x0000000000F00000-0x0000000001996000-memory.dmp	upx
behavioral1/memory/2208-30-0x0000000000F00000-0x0000000001996000-memory.dmp	upx
behavioral1/memory/2792-28-0x0000000000F00000-0x0000000001996000-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	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\Count	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2208 set thread context of 2792	2208	b6b94a46cf1bcbff0bf3a551d13137d5_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-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2792	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe
2792	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2792	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe
2792	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe
2792	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe
2792	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2792	2208	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe	28
PID 2208 wrote to memory of 2792	2208	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe	28
PID 2208 wrote to memory of 2792	2208	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe	28
PID 2208 wrote to memory of 2792	2208	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe	28
PID 2208 wrote to memory of 2792	2208	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe	28
PID 2208 wrote to memory of 2792	2208	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe	28
PID 2208 wrote to memory of 2792	2208	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe	28
PID 2208 wrote to memory of 2792	2208	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe	28
PID 2208 wrote to memory of 2792	2208	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe	28
PID 2208 wrote to memory of 2792	2208	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe	28
PID 2208 wrote to memory of 2792	2208	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe	28
PID 2208 wrote to memory of 2792	2208	b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b6b94a46cf1bcbff0bf3a551d13137d5_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2792

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/2208-0-0x0000000000F00000-0x0000000001996000-memory.dmp

Filesize
10.6MB

Download
memory/2208-1-0x0000000000F00000-0x0000000001996000-memory.dmp

Filesize
10.6MB

Download
memory/2208-15-0x0000000003B20000-0x00000000045B6000-memory.dmp

Filesize
10.6MB

Download
memory/2208-30-0x0000000000F00000-0x0000000001996000-memory.dmp

Filesize
10.6MB

Download
memory/2792-12-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2792-28-0x0000000000F00000-0x0000000001996000-memory.dmp

Filesize
10.6MB

Download
memory/2792-9-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2792-6-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2792-4-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2792-22-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2792-27-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2792-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-17-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2792-19-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2792-26-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2792-3-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2792-31-0x0000000004080000-0x0000000004B16000-memory.dmp

Filesize
10.6MB

Download
memory/2792-33-0x00000000048A0000-0x00000000048B0000-memory.dmp

Filesize
64KB

Download
memory/2792-34-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2792-35-0x0000000004080000-0x0000000004B16000-memory.dmp

Filesize
10.6MB

Download
memory/2792-36-0x00000000048A0000-0x00000000048B0000-memory.dmp

Filesize
64KB

Download

Analysis

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