cdcb4acee9f2fdc2468c56f7786bfa642a3fe122ba0ce812d94a7defa353bf1d

General

Target

fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe
Size

148KB
MD5

fff6b172d80154c93ecb61a00f17c26b
SHA1

37cbaf9dfb6b5e1da9aa86f7687b3c51d31f2442
SHA256

cdcb4acee9f2fdc2468c56f7786bfa642a3fe122ba0ce812d94a7defa353bf1d
SHA512

97d97c8d4be103c74bd5837cd7e6cd130ee1d1af0ae2d31f51b95c4a8200cecc328e1c2335e750db516b11af9f425e00f356cef767eef92ee7283716c114a4b0
SSDEEP

3072:SLjeGZhA5qdE3rVtbYDA4R5M1EX/+MSkBXKl6IF8rIEtrwMMKj+ktcepV1J:S/FZhZE3rTM0qGMpwl6x1j+ktcE

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe

Loads dropped DLL 4 IoCs

Processes:

fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exerundll32.execmd.exe

pid process

4784 fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe
3884 rundll32.exe
4064
4120 cmd.exe

pid	process
4784	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe
3884	rundll32.exe
4064
4120	cmd.exe

Drops file in System32 directory 2 IoCs

Processes:

fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\AtBresvr.dll	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe
File opened for modification	C:\Windows\system32\AtBresvr64.dll	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3944 4120 WerFault.exe cmd.exe
4508 4120 WerFault.exe cmd.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe

pid process

4784 fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe
4784 fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe

pid	pid_target	process	target process
3944	4120	WerFault.exe	cmd.exe
4508	4120	WerFault.exe	cmd.exe

pid	process
4784	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe
4784	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe

description	pid	process	target process
PID 4784 wrote to memory of 3884	4784	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe	rundll32.exe
PID 4784 wrote to memory of 3884	4784	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe	rundll32.exe
PID 4784 wrote to memory of 4120	4784	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe	cmd.exe
PID 4784 wrote to memory of 4120	4784	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe	cmd.exe
PID 4784 wrote to memory of 4120	4784	fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe	cmd.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

1460 attrib.exe

pid	process
1460	attrib.exe

C:\Users\Admin\AppData\Local\Temp\fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4784

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" "C:\Windows\system32\AtBresvr64.dll",CreateProcessNotify
2⤵
- Loads dropped DLL
PID:3884

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240661453.bat" "C:\Users\Admin\AppData\Local\Temp\fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe""
2⤵
- Loads dropped DLL
PID:4120

C:\Windows\SysWOW64\attrib.exe
attrib -r -s -h"C:\Users\Admin\AppData\Local\Temp\fff6b172d80154c93ecb61a00f17c26b_JaffaCakes118.exe"
3⤵
- Views/modifies file attributes
PID:1460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 480
3⤵
- Program crash
PID:3944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 500
3⤵
- Program crash
PID:4508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4120 -ip 4120
1⤵
PID:2512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4120 -ip 4120
1⤵
PID:4308

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=4240 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
1⤵
PID:3300

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Hide Artifacts

1

T1564

Hidden Files and Directories

1

T1564.001

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\240661453.bat
Filesize
75B

MD5
48a139014df74760d9121ec038250413

SHA1
7c555097e5ac7ffc8c035f68ba9296e79dfaf5eb

SHA256
baa3acca83ceb16497c4418fdaad1eadcc9c94213c91d1c4856323fc681bccae

SHA512
9cd374607e7e9b7b0f46976050089036334ef24dd3736a647bfa7cc77452e00a58b8468e49fa028a0a8a89cf94163c7e05659011acae77e318cf6cc8ff0bd8c7

Download Submit
C:\Windows\SysWOW64\AtBresvr.dll
Filesize
43KB

MD5
ffccde52bfbad88e43c56e425a913996

SHA1
9dade48adf8ea9cc6e13d8bdc473f131ae0e7ec1

SHA256
48026197f45c2ee8abd943a6bff799087536c983a9b5afb561461ab2889ff8d4

SHA512
5da81bd9f4a1bcb213cc452aece9f98736ab034095aa715d664a58404503136a6f5bacf819c824a4e6bdc3dbb6f7d43f998e43f3ad1f9adc67e3fcc3ebfb3f97

Download Submit
C:\Windows\System32\AtBresvr64.dll
Filesize
51KB

MD5
7f52a76d671b0557f5b03117457d9c9d

SHA1
d9eaacf86d66e5955b8368f800dc7e1b3e9a50f6

SHA256
5b2b6ed2988538d3372697164455f6275bed1e8e04ba2da2d91fabf255d869e1

SHA512
8229211e8d96107feef91f23a98f0e365da1ce73eb7e6afa876ec958eaf786beb1a8f386720e23407cd7b29d956e9cf48fa232dc08652be1b5b4b35377207f20

Download Submit
memory/3884-11-0x000002D3F9590000-0x000002D3F9591000-memory.dmp

Filesize
4KB

Download
memory/4120-20-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/4784-0-0x0000000000890000-0x0000000000891000-memory.dmp

Filesize
4KB

Download
memory/4784-1-0x0000000001000000-0x0000000001027000-memory.dmp

Filesize
156KB

Download
memory/4784-6-0x00000000042B0000-0x00000000042B1000-memory.dmp

Filesize
4KB

Download
memory/4784-7-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/4784-14-0x0000000001000000-0x0000000001027000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads