1c6498d22b1dd3b73326234175dd2f577de6f4084f98f3bde564ca427a0a9332

Analysis

max time kernel
134s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 03:22

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General

Target

a532fafe229d70994d4a1be648e4ab84_JaffaCakes118.exe
Size

791KB
MD5

a532fafe229d70994d4a1be648e4ab84
SHA1

a28638f41843571426e980e83026f173ee1d81c5
SHA256

1c6498d22b1dd3b73326234175dd2f577de6f4084f98f3bde564ca427a0a9332
SHA512

4f678f0999f21c4ebd0589c9f18ef9b67b41ac47c486e85d094f97cbb5f1a71011acf88cc4caad7b58f3edf00cd71a8e1c4bf48c437f23c3d3774f3fcec14f75
SSDEEP

192:mF3ZQoGOuDF6SQ/KstabhCx5EYYzmHxRV9yheDwLv7L+8KLjNNYbW7mTeCYcVZ:mdZnGOuVsIMYzmHxRqhoMfGLHR/W

Score

8^/10

discovery persistence

Malware Config

Signatures

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\F81CC245\ImagePath = "C:\\Windows\\system32\\1BBEFBBC.EXE -k"	a532fafe229d70994d4a1be648e4ab84_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3952	1BBEFBBC.EXE

Drops file in System32 directory 34 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\1BBEFBBC.EXE	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_exif.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_768.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_16.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_wide_alternate.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_256.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_1280.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_16.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_32.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_96.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_256.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_32.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_96.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_2560.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_sr.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_wide.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_custom_stream.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_2560.db	1BBEFBBC.EXE
File created	C:\Windows\SysWOW64\1BBEFBBC.EXE	a532fafe229d70994d4a1be648e4ab84_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_48.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_sr.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_1280.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_1920.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_wide.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_768.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_1920.db	1BBEFBBC.EXE
File created	C:\Windows\SysWOW64\del.bat	a532fafe229d70994d4a1be648e4ab84_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\1BBEFBBC.EXE	a532fafe229d70994d4a1be648e4ab84_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_exif.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_wide_alternate.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\thumbcache_custom_stream.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db	1BBEFBBC.EXE
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_48.db	1BBEFBBC.EXE

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64	1BBEFBBC.EXE

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1BBEFBBC.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a532fafe229d70994d4a1be648e4ab84_JaffaCakes118.exe

Modifies data under HKEY_USERS 12 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer	1BBEFBBC.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000	1BBEFBBC.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software	1BBEFBBC.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager	1BBEFBBC.EXE
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 938c1dc456d61ba4748fbedabd7a3999447d91b7677e1ca18c43919e0d3ef63f	1BBEFBBC.EXE
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Sequence = "1"	1BBEFBBC.EXE
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000	1BBEFBBC.EXE
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\TelemetrySalt = "7"	1BBEFBBC.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	1BBEFBBC.EXE
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Owner = 700f0000d81d61f11df1da01	1BBEFBBC.EXE
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 43003a005c00570069006e0064006f00770073005c00530079007300740065006d003300320000000000	1BBEFBBC.EXE
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 30c03737667f67d31f3e92c9ddb9aba898530187132da8316c8142f8a499a37d	1BBEFBBC.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4060	a532fafe229d70994d4a1be648e4ab84_JaffaCakes118.exe
4060	a532fafe229d70994d4a1be648e4ab84_JaffaCakes118.exe
3952	1BBEFBBC.EXE
3952	1BBEFBBC.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4060	a532fafe229d70994d4a1be648e4ab84_JaffaCakes118.exe
3952	1BBEFBBC.EXE
3952	1BBEFBBC.EXE
3952	1BBEFBBC.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 1280	4060	a532fafe229d70994d4a1be648e4ab84_JaffaCakes118.exe	105
PID 4060 wrote to memory of 1280	4060	a532fafe229d70994d4a1be648e4ab84_JaffaCakes118.exe	105
PID 4060 wrote to memory of 1280	4060	a532fafe229d70994d4a1be648e4ab84_JaffaCakes118.exe	105

C:\Users\Admin\AppData\Local\Temp\a532fafe229d70994d4a1be648e4ab84_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a532fafe229d70994d4a1be648e4ab84_JaffaCakes118.exe"
1⤵
- Sets service image path in registry
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4060
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\del.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1280

C:\Windows\SysWOW64\1BBEFBBC.EXE
C:\Windows\SysWOW64\1BBEFBBC.EXE -k
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
PID:3952

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 --field-trial-handle=4352,i,2727319350781907497,7925939240893079607,262144 --variations-seed-version --mojo-platform-channel-handle=3952 /prefetch:8
1⤵
PID:3692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\1BBEFBBC.EXE

Filesize
791KB

MD5
a532fafe229d70994d4a1be648e4ab84

SHA1
a28638f41843571426e980e83026f173ee1d81c5

SHA256
1c6498d22b1dd3b73326234175dd2f577de6f4084f98f3bde564ca427a0a9332

SHA512
4f678f0999f21c4ebd0589c9f18ef9b67b41ac47c486e85d094f97cbb5f1a71011acf88cc4caad7b58f3edf00cd71a8e1c4bf48c437f23c3d3774f3fcec14f75

Download Submit
C:\Windows\SysWOW64\del.bat

Filesize
239B

MD5
6d2b2fa95c9ebc6dff257a87f7299a6c

SHA1
c6f3cf41de086976eb060fba9b126f6dab99c037

SHA256
b8061f74cb79d30f2edc1e02cdd40b9ff5ff2e61bfd8815cfddf1ca61e6ce88e

SHA512
bebefb5f608c0f4fbb9d6a135ab86a5e0518e8dac08740ac1fde426cd6ad3fa881ab56cd09bfffc38d1486ea31eb0750afa1e6c1c2135cc7dddabbedb695e474

Download Submit
memory/3952-6-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/3952-9-0x0000000000400000-0x00000000004E4000-memory.dmp

Filesize
912KB

Download
memory/4060-0-0x0000000000400000-0x00000000004E4000-memory.dmp

Filesize
912KB

Download
memory/4060-1-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/4060-7-0x0000000000400000-0x00000000004E4000-memory.dmp

Filesize
912KB

Download
memory/4060-8-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download