927105ad77742082b54887f20f4ce0730054c5f04ff2b0f156c20590072f7561

Analysis

max time kernel
153s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/04/2024, 10:23

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General

Target

f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe
Size

11KB
MD5

f34a2ee3feeae70a8bd31996092c2790
SHA1

f58f45b57694b81b03c3316c3f6725e3793c2a1e
SHA256

927105ad77742082b54887f20f4ce0730054c5f04ff2b0f156c20590072f7561
SHA512

8d77e1bda84f10227a42dc5a6a6990515e85793027d4f609bf259ebe417bde44133dfdf3938992f2424d1074ef4fecc8626cdd23334a54a11340206c9749e0e3
SSDEEP

192:0lSrnIjKo0NXXnOyEd76Sh4rIaR6LND9fTYQiigew6BXF5R1ERPL5ni:0lSrnIL41EN3h4EhD97SKhJ

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Deletes itself 1 IoCs

pid	Process
2924	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2020	kandofnk.exe

Loads dropped DLL 2 IoCs

pid	Process
928	f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe
928	f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/928-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x001e000000012772-3.dat	upx
behavioral1/memory/928-4-0x0000000000230000-0x000000000023F000-memory.dmp	upx
behavioral1/memory/928-11-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2020-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/928-15-0x0000000000230000-0x000000000023F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kandofn.dll	f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\kandofnk.exe	f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\kandofnk.exe	f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 2020	928	f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe	28
PID 928 wrote to memory of 2020	928	f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe	28
PID 928 wrote to memory of 2020	928	f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe	28
PID 928 wrote to memory of 2020	928	f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe	28
PID 928 wrote to memory of 2924	928	f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe	29
PID 928 wrote to memory of 2924	928	f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe	29
PID 928 wrote to memory of 2924	928	f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe	29
PID 928 wrote to memory of 2924	928	f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:928
- C:\Windows\SysWOW64\kandofnk.exe
  C:\Windows\system32\kandofnk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2020
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  PID:2924

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\f34a2ee3feeae70a8bd31996092c2790_JaffaCakes118.exe.bat

Filesize
210B

MD5
956addcedc7c0bed7b95e527ec362db3

SHA1
2f9a4e5f2f18e135343d2a17296a1ec63bf5d30e

SHA256
2ec1d3411c54f5f4a873366831d730571b968eca98281a9d7ed02f7893b7c4f7

SHA512
0217a55485bab44435bc120f6de309feb884f31031e932a48c7e9c0f6ffa2d21827a9fd48447d0d690fcf6130361978a7b7e974f7341b510a06fbfa82f258c56

Download Submit
\Windows\SysWOW64\kandofnk.exe

Filesize
11KB

MD5
f34a2ee3feeae70a8bd31996092c2790

SHA1
f58f45b57694b81b03c3316c3f6725e3793c2a1e

SHA256
927105ad77742082b54887f20f4ce0730054c5f04ff2b0f156c20590072f7561

SHA512
8d77e1bda84f10227a42dc5a6a6990515e85793027d4f609bf259ebe417bde44133dfdf3938992f2424d1074ef4fecc8626cdd23334a54a11340206c9749e0e3

Download Submit
memory/928-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/928-4-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/928-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/928-15-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2020-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download