79dce38c8ef078f41f17fc9338a83730ac5eb661418410bc61269fbd1d086099

General

Target

fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
Size

233KB
MD5

fb91582a39942a715604135a1ec759c8
SHA1

9f3080cebf5e8d9fba23d07164638a6e9f99f854
SHA256

79dce38c8ef078f41f17fc9338a83730ac5eb661418410bc61269fbd1d086099
SHA512

67dafb6030b2860e561a0293169616029a552460fea7542ff1cd858996b33c649528b26d445646ee117bc10082c93dd8d3aa132fd4fd77696376fe89d3f55fd6
SSDEEP

6144:eBgz+VVyLSj1Ys3da3vpP0avnOt6uvmNZXSFqnrDisi:lWVp3A3hcavOtcNmqnr9i

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3256-0-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral2/memory/3256-1-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral2/memory/3256-21-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral2/memory/3256-22-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral2/memory/3256-25-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral2/memory/3256-26-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral2/memory/3256-27-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral2/memory/3256-28-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral2/memory/3256-31-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral2/memory/3256-32-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral2/memory/3256-34-0x0000000000400000-0x0000000000488000-memory.dmp	upx

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe

description	ioc	process
File opened (read-only)	\??\i:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\p:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\r:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\t:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\h:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\n:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\q:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\s:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\v:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\w:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\y:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\j:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\g:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\k:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\m:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\o:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\x:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\z:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\e:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\u:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
File opened (read-only)	\??\l:	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe

description ioc process

File opened for modification \??\PhysicalDrive0 fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
Drops file in Program Files directory 1 IoCs

Processes:

fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe

description ioc process

File opened for modification C:\Program Files (x86)\SAItest.txt fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\SAItest.txt	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5\Blob = 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	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5\Blob = 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	fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb91582a39942a715604135a1ec759c8_JaffaCakes118.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Modifies system certificate store
PID:3256

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
1⤵
PID:3876

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Subvert Trust Controls

1

T1553

Install Root Certificate

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3256-0-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/3256-1-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/3256-21-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/3256-22-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/3256-25-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/3256-26-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/3256-27-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/3256-28-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/3256-31-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/3256-32-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/3256-34-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads