74d6a38a385caf2a36d394bfd7537179044f30e2d5b15420835d81e6213078be

General

Target

754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
Size

203KB
MD5

754b23e333a220a38f8ed87078b73dfd
SHA1

9905ad08d403e5b97e18c13712ca7210b3e0ccda
SHA256

74d6a38a385caf2a36d394bfd7537179044f30e2d5b15420835d81e6213078be
SHA512

a527669fbdeee9d5634193b987613a2f3f8f93005c7b4a19f58fbe0a884689eddbde489c8918099e657327428814cdc773fe374c5bf7ac3ddfc1ab77b07d7e0a
SSDEEP

6144:2i51VwhoqDA95drGAd1ShgtaS592M4u4f6R:T5gGqkdrGAbcgzCf6R

Score

7^/10

bootkit discovery persistence upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2220-0-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/2220-49-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/2220-52-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/2220-55-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/2220-56-0x0000000000400000-0x0000000000476000-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:

754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe

description	ioc	process
File opened (read-only)	\??\o:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\v:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\y:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\z:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\e:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\i:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\l:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\p:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\s:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\t:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\u:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\k:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\n:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\w:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\x:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\g:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\h:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\j:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\m:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\q:	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
File opened (read-only)	\??\r:	754b23e333a220a38f8ed87078b73dfd_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:

754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe

description ioc process

File opened for modification \??\PhysicalDrive0 754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
Drops file in Program Files directory 1 IoCs

Processes:

754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe

description ioc process

File opened for modification C:\Program Files (x86)\SAItest.txt 754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\SAItest.txt	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\754b23e333a220a38f8ed87078b73dfd_JaffaCakes118.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab3027.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar3114.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2220-0-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2220-49-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2220-52-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2220-55-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2220-56-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download

Analysis

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