51be122929f6ab83b30ce46c54ec0229cb0b693fae825435894ff110486784c6

Analysis

max time kernel
145s
max time network
148s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 17:28

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General

Target

0eec9eada66eeca7e239a65f6a107dc9_JaffaCakes118.exe
Size

245KB
MD5

0eec9eada66eeca7e239a65f6a107dc9
SHA1

66c6a41dbe8daa492aab57661447e166657a0110
SHA256

51be122929f6ab83b30ce46c54ec0229cb0b693fae825435894ff110486784c6
SHA512

b97edd1a26f022b3fb2526bc79d216d493af8ccfe4028f7ecda6914b8e17506f89d748abe98cf124efa9f37cfc8e2dd1e693aabd41774a54d6fd04257ca2fbaa
SSDEEP

6144:bOKto0hu+Y1XrHorblsk7BPXS5Es2ATbwiyLp:SD0hmXrHo/lhaEbAAn

Score

7^/10

bootkit persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2428	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1928	SysHelp.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	0eec9eada66eeca7e239a65f6a107dc9_JaffaCakes118.exe
File opened for modification	\??\PhysicalDrive0	SysHelp.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	SysHelp.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysHelp.exe	0eec9eada66eeca7e239a65f6a107dc9_JaffaCakes118.exe
File created	C:\Windows\SysHelp.exe	0eec9eada66eeca7e239a65f6a107dc9_JaffaCakes118.exe

Modifies data under HKEY_USERS 31 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-5e-aa-1d-91-fd\WpadDecisionTime = c038233e25c7da01	SysHelp.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000005000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0096000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	SysHelp.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0096000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	SysHelp.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	SysHelp.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	SysHelp.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	SysHelp.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	SysHelp.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-5e-aa-1d-91-fd\WpadDetectedUrl	SysHelp.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	SysHelp.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	SysHelp.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	SysHelp.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-5e-aa-1d-91-fd\WpadDecision = "0"	SysHelp.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	SysHelp.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-5e-aa-1d-91-fd\WpadDecisionReason = "1"	SysHelp.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	SysHelp.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1E32F756-9171-4B79-A0C4-3FDE422D6207}\WpadDecisionTime = a0e59b6525c7da01	SysHelp.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-5e-aa-1d-91-fd\WpadDecisionTime = a0e59b6525c7da01	SysHelp.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1E32F756-9171-4B79-A0C4-3FDE422D6207}\WpadDecision = "0"	SysHelp.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1E32F756-9171-4B79-A0C4-3FDE422D6207}\66-5e-aa-1d-91-fd	SysHelp.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-5e-aa-1d-91-fd	SysHelp.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1E32F756-9171-4B79-A0C4-3FDE422D6207}	SysHelp.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1E32F756-9171-4B79-A0C4-3FDE422D6207}\WpadDecisionTime = 0039151b25c7da01	SysHelp.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0096000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	SysHelp.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1E32F756-9171-4B79-A0C4-3FDE422D6207}\WpadDecisionTime = c038233e25c7da01	SysHelp.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	SysHelp.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1E32F756-9171-4B79-A0C4-3FDE422D6207}\WpadDecisionReason = "1"	SysHelp.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1E32F756-9171-4B79-A0C4-3FDE422D6207}\WpadNetworkName = "Network 3"	SysHelp.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-5e-aa-1d-91-fd\WpadDecisionTime = 0039151b25c7da01	SysHelp.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	SysHelp.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	SysHelp.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	SysHelp.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	SysHelp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	0eec9eada66eeca7e239a65f6a107dc9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	0eec9eada66eeca7e239a65f6a107dc9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	0eec9eada66eeca7e239a65f6a107dc9_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	SysHelp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	SysHelp.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2408	0eec9eada66eeca7e239a65f6a107dc9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2428	2408	0eec9eada66eeca7e239a65f6a107dc9_JaffaCakes118.exe	29
PID 2408 wrote to memory of 2428	2408	0eec9eada66eeca7e239a65f6a107dc9_JaffaCakes118.exe	29
PID 2408 wrote to memory of 2428	2408	0eec9eada66eeca7e239a65f6a107dc9_JaffaCakes118.exe	29
PID 2408 wrote to memory of 2428	2408	0eec9eada66eeca7e239a65f6a107dc9_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\0eec9eada66eeca7e239a65f6a107dc9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0eec9eada66eeca7e239a65f6a107dc9_JaffaCakes118.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\$$a6113$$.bat
  2⤵
  - Deletes itself
  PID:2428

C:\Windows\SysHelp.exe
"C:\Windows\SysHelp.exe" /service
1⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Modifies registry class
PID:1928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\$$a6113$$.bat

Filesize
152B

MD5
ac23f60219e699d79e890a97e424cef4

SHA1
2eddc70e9fdbb51268067b3c702889d4f66e354e

SHA256
75f503bc1fa62861bf5eeb1172be980c482c7280cd06f43e0ede199ad17d4942

SHA512
9b7bfa5933d49c27c13b72039ebe6ff3731f3c30272051241492fe3636868af2ee6841a0de1c1a3bacad6038ef649fb2a70b94f19a864c09e2f295497b43e1f9

Download Submit
C:\Windows\SysHelp.exe

Filesize
245KB

MD5
0eec9eada66eeca7e239a65f6a107dc9

SHA1
66c6a41dbe8daa492aab57661447e166657a0110

SHA256
51be122929f6ab83b30ce46c54ec0229cb0b693fae825435894ff110486784c6

SHA512
b97edd1a26f022b3fb2526bc79d216d493af8ccfe4028f7ecda6914b8e17506f89d748abe98cf124efa9f37cfc8e2dd1e693aabd41774a54d6fd04257ca2fbaa

Download Submit
memory/1928-77-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1928-80-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1928-79-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1928-78-0x0000000000290000-0x00000000002C0000-memory.dmp

Filesize
192KB

Download
memory/1928-93-0x0000000000290000-0x00000000002C0000-memory.dmp

Filesize
192KB

Download
memory/1928-91-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2408-36-0x00000000020C0000-0x00000000020C1000-memory.dmp

Filesize
4KB

Download
memory/2408-5-0x00000000005C0000-0x00000000005C3000-memory.dmp

Filesize
12KB

Download
memory/2408-69-0x0000000002850000-0x0000000002851000-memory.dmp

Filesize
4KB

Download
memory/2408-68-0x0000000002860000-0x0000000002861000-memory.dmp

Filesize
4KB

Download
memory/2408-67-0x0000000002830000-0x0000000002831000-memory.dmp

Filesize
4KB

Download
memory/2408-66-0x0000000002840000-0x0000000002841000-memory.dmp

Filesize
4KB

Download
memory/2408-65-0x0000000002810000-0x0000000002811000-memory.dmp

Filesize
4KB

Download
memory/2408-64-0x0000000002820000-0x0000000002821000-memory.dmp

Filesize
4KB

Download
memory/2408-63-0x00000000027F0000-0x00000000027F1000-memory.dmp

Filesize
4KB

Download
memory/2408-62-0x0000000002800000-0x0000000002801000-memory.dmp

Filesize
4KB

Download
memory/2408-61-0x00000000027D0000-0x00000000027D1000-memory.dmp

Filesize
4KB

Download
memory/2408-60-0x00000000027E0000-0x00000000027E1000-memory.dmp

Filesize
4KB

Download
memory/2408-58-0x0000000002670000-0x0000000002671000-memory.dmp

Filesize
4KB

Download
memory/2408-57-0x0000000002680000-0x0000000002681000-memory.dmp

Filesize
4KB

Download
memory/2408-56-0x0000000002650000-0x0000000002651000-memory.dmp

Filesize
4KB

Download
memory/2408-55-0x0000000002660000-0x0000000002661000-memory.dmp

Filesize
4KB

Download
memory/2408-54-0x0000000002630000-0x0000000002631000-memory.dmp

Filesize
4KB

Download
memory/2408-53-0x0000000002640000-0x0000000002641000-memory.dmp

Filesize
4KB

Download
memory/2408-52-0x0000000002610000-0x0000000002611000-memory.dmp

Filesize
4KB

Download
memory/2408-51-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/2408-50-0x00000000025F0000-0x00000000025F1000-memory.dmp

Filesize
4KB

Download
memory/2408-49-0x0000000002600000-0x0000000002601000-memory.dmp

Filesize
4KB

Download
memory/2408-48-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/2408-47-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/2408-46-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/2408-30-0x0000000002060000-0x0000000002061000-memory.dmp

Filesize
4KB

Download
memory/2408-44-0x0000000002590000-0x0000000002591000-memory.dmp

Filesize
4KB

Download
memory/2408-43-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/2408-42-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/2408-41-0x0000000002580000-0x0000000002581000-memory.dmp

Filesize
4KB

Download
memory/2408-40-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/2408-39-0x0000000002560000-0x0000000002561000-memory.dmp

Filesize
4KB

Download
memory/2408-38-0x00000000020E0000-0x00000000020E1000-memory.dmp

Filesize
4KB

Download
memory/2408-37-0x00000000020F0000-0x00000000020F1000-memory.dmp

Filesize
4KB

Download
memory/2408-71-0x0000000002870000-0x0000000002871000-memory.dmp

Filesize
4KB

Download
memory/2408-35-0x00000000020D0000-0x00000000020D1000-memory.dmp

Filesize
4KB

Download
memory/2408-34-0x00000000020A0000-0x00000000020A1000-memory.dmp

Filesize
4KB

Download
memory/2408-33-0x00000000020B0000-0x00000000020B1000-memory.dmp

Filesize
4KB

Download
memory/2408-88-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2408-70-0x0000000002880000-0x0000000002881000-memory.dmp

Filesize
4KB

Download
memory/2408-45-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/2408-29-0x0000000002070000-0x0000000002071000-memory.dmp

Filesize
4KB

Download
memory/2408-28-0x0000000002040000-0x0000000002041000-memory.dmp

Filesize
4KB

Download
memory/2408-27-0x0000000002050000-0x0000000002051000-memory.dmp

Filesize
4KB

Download
memory/2408-26-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/2408-25-0x0000000002030000-0x0000000002031000-memory.dmp

Filesize
4KB

Download
memory/2408-24-0x0000000002000000-0x0000000002001000-memory.dmp

Filesize
4KB

Download
memory/2408-23-0x0000000002010000-0x0000000002011000-memory.dmp

Filesize
4KB

Download
memory/2408-22-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

Filesize
4KB

Download
memory/2408-21-0x0000000001FF0000-0x0000000001FF1000-memory.dmp

Filesize
4KB

Download
memory/2408-20-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

Filesize
4KB

Download
memory/2408-19-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

Filesize
4KB

Download
memory/2408-18-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

Filesize
4KB

Download
memory/2408-17-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

Filesize
4KB

Download
memory/2408-16-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2408-15-0x0000000001F90000-0x0000000001F91000-memory.dmp

Filesize
4KB

Download
memory/2408-14-0x0000000001F50000-0x0000000001F51000-memory.dmp

Filesize
4KB

Download
memory/2408-13-0x0000000001F70000-0x0000000001F71000-memory.dmp

Filesize
4KB

Download
memory/2408-12-0x0000000001F30000-0x0000000001F31000-memory.dmp

Filesize
4KB

Download
memory/2408-11-0x0000000001F40000-0x0000000001F41000-memory.dmp

Filesize
4KB

Download
memory/2408-10-0x0000000001F00000-0x0000000001F01000-memory.dmp

Filesize
4KB

Download
memory/2408-9-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/2408-8-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/2408-7-0x0000000001EF0000-0x0000000001EF1000-memory.dmp

Filesize
4KB

Download
memory/2408-6-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/2408-31-0x0000000002090000-0x0000000002091000-memory.dmp

Filesize
4KB

Download
memory/2408-4-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2408-72-0x00000000028A0000-0x00000000028A1000-memory.dmp

Filesize
4KB

Download
memory/2408-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2408-2-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/2408-1-0x00000000002E0000-0x0000000000310000-memory.dmp

Filesize
192KB

Download
memory/2408-75-0x00000000028B0000-0x00000000028B1000-memory.dmp

Filesize
4KB

Download
memory/2408-74-0x00000000028C0000-0x00000000028C1000-memory.dmp

Filesize
4KB

Download
memory/2408-32-0x0000000002080000-0x0000000002081000-memory.dmp

Filesize
4KB

Download
memory/2408-89-0x00000000002E0000-0x0000000000310000-memory.dmp

Filesize
192KB

Download
memory/2408-73-0x0000000002890000-0x0000000002891000-memory.dmp

Filesize
4KB

Download
memory/2408-0-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download