205ccdf66bd9c7092e54b658256a82b590317160bc928581840ebdb942bd23e5

General

Target

a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe
Size

4.7MB
MD5

a71d8dd7e6680716b883f8df2381a828
SHA1

bbc34fc84a8e9f5a31e0f4ab9a0dd7036535d256
SHA256

205ccdf66bd9c7092e54b658256a82b590317160bc928581840ebdb942bd23e5
SHA512

fc0b0146315b2fa3f55f2710e31b5db8106e9090b79e2849d53ead474bacd43cac0a6fc1609934ca8a23a301c80b39671d4158aeb4e5ed1313f8dce87dc0d61b
SSDEEP

98304:hjJP7a4N6UTDwmK6MiCRMxc5jXzIUJLKnsgTPgN+9zTha4YilLmzJoF:BJW4snP6ZOMW8UKfUN+RThMKLHF

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/2408-0-0x0000000000F00000-0x0000000001D0A000-memory.dmp	upx
behavioral1/memory/2196-21-0x0000000000F00000-0x0000000001D0A000-memory.dmp	upx
behavioral1/memory/2408-24-0x0000000000F00000-0x0000000001D0A000-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	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\Count	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2408 set thread context of 2196	2408	a71d8dd7e6680716b883f8df2381a828_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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2196	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe
2196	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2408	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe
2196	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe
2196	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe
2196	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe
2196	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2196	2408	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe	28
PID 2408 wrote to memory of 2196	2408	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe	28
PID 2408 wrote to memory of 2196	2408	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe	28
PID 2408 wrote to memory of 2196	2408	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe	28
PID 2408 wrote to memory of 2196	2408	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe	28
PID 2408 wrote to memory of 2196	2408	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe	28
PID 2408 wrote to memory of 2196	2408	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe	28
PID 2408 wrote to memory of 2196	2408	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe	28
PID 2408 wrote to memory of 2196	2408	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe	28
PID 2408 wrote to memory of 2196	2408	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe	28
PID 2408 wrote to memory of 2196	2408	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe	28
PID 2408 wrote to memory of 2196	2408	a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Users\Admin\AppData\Local\Temp\a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a71d8dd7e6680716b883f8df2381a828_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2196

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/2196-15-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2196-41-0x0000000004920000-0x000000000572A000-memory.dmp

Filesize
14.0MB

Download
memory/2196-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2196-3-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2196-4-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2196-5-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2196-7-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2196-9-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2196-11-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2196-19-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2196-31-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2196-29-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2196-13-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2196-21-0x0000000000F00000-0x0000000001D0A000-memory.dmp

Filesize
14.0MB

Download
memory/2196-28-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2196-23-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2196-22-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2196-26-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2196-27-0x0000000000400000-0x00000000007AF000-memory.dmp

Filesize
3.7MB

Download
memory/2408-24-0x0000000000F00000-0x0000000001D0A000-memory.dmp

Filesize
14.0MB

Download
memory/2408-1-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2408-2-0x0000000004200000-0x000000000500A000-memory.dmp

Filesize
14.0MB

Download
memory/2408-0-0x0000000000F00000-0x0000000001D0A000-memory.dmp

Filesize
14.0MB

Download

Analysis

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