2a848c7c9cf48235b44fdbfd892d8adc81585264c62b8d5af96f2f6d8dc21b66

General

Target

43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
Size

16KB
MD5

43512d49d8a967205cef97f26d95f99a
SHA1

76f5463ebfd1175217a54681dd925376e52ac0c0
SHA256

2a848c7c9cf48235b44fdbfd892d8adc81585264c62b8d5af96f2f6d8dc21b66
SHA512

3bbc60241f96adb8dcc4386329738ff82b2bd542b67bb61b1d2ff1d8d0ff748ea3c7f4a37fa19d76e7bfce52f3e914120168938eb3d5e188b80635adec2e6a22
SSDEEP

384:/TWDcJwS745tGrRwcRwuglum7uk1F2Uw3Ekby:/EcJF852wbulk1MJ3Ekb

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4712-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/files/0x00090000000234d7-7.dat	upx
behavioral2/memory/4712-21-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\*P-Monkey = "c:\\WINDOWS\\monkey.com"	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\*P-Monkey = "c:\\windows\\system\\slurpee.scr"	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MP3 Player = "c:\\windows\\cdplayer.exe"	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe

Enumerates connected drives 3 TTPs 23 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

description	ioc	Process
File opened (read-only)	\??\S:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\U:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\V:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\M:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\N:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\J:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\R:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\T:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\W:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\H:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\I:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\K:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\P:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\B:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\G:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\L:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\O:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\Q:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\X:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\Y:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\Z:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\A:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened (read-only)	\??\E:	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File created	\??\c:\windows\boot.dll	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File created	\??\c:\WINDOWS\monkey.com	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened for modification	\??\c:\WINDOWS\monkey.com	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File created	\??\c:\windows\system\slurpee.scr	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened for modification	\??\c:\windows\system\slurpee.scr	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File created	\??\c:\windows\cdplayer.exe	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File opened for modification	\??\c:\windows\cdplayer.exe	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File created	\??\c:\windows\command\format.com	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
File created	C:\windows\startm~1\programs\startup\monkey.scr	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4712	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 1196	4712	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe	86
PID 4712 wrote to memory of 1196	4712	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe	86
PID 4712 wrote to memory of 1196	4712	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe	86
PID 4712 wrote to memory of 4700	4712	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe	88
PID 4712 wrote to memory of 4700	4712	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe	88
PID 4712 wrote to memory of 4700	4712	43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe	88

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4700	attrib.exe
1196	attrib.exe

C:\Users\Admin\AppData\Local\Temp\43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\43512d49d8a967205cef97f26d95f99a_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Windows\SysWOW64\attrib.exe
  attrib -h -r -s c:\autoexec.bat
  2⤵
  - Views/modifies file attributes
  PID:1196
- C:\Windows\SysWOW64\attrib.exe
  attrib -h -r -s c:\_restore
  2⤵
  - Views/modifies file attributes
  PID:4700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\cdplayer.exe

Filesize
16KB

MD5
43512d49d8a967205cef97f26d95f99a

SHA1
76f5463ebfd1175217a54681dd925376e52ac0c0

SHA256
2a848c7c9cf48235b44fdbfd892d8adc81585264c62b8d5af96f2f6d8dc21b66

SHA512
3bbc60241f96adb8dcc4386329738ff82b2bd542b67bb61b1d2ff1d8d0ff748ea3c7f4a37fa19d76e7bfce52f3e914120168938eb3d5e188b80635adec2e6a22

Download Submit
C:\autoexec.bat

Filesize
216B

MD5
6cfa126dd6a37a440886e3ebaf890861

SHA1
3bf62ab034048afa02a08f9af8139c0f4fa7de0e

SHA256
bc72e722fa6f819ccbb28c23c4ebf10af95257389ffd808d2c093c8caa04990a

SHA512
f81ea5ff0e44c19a84333d716b6ffb1e55e11ec8a12b6217fa513e126f7502bb8a9e76c5c72dff6ad2c973475726073297aedab1fd76807e7d03b010e07edcdc

Download Submit
memory/4712-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4712-21-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads