9b57b215e59de5823b0ac6e9f6689c3ca6971bfa309568b4e3e9114f9112b2fc

General

Target

866c8bb63f6289832d95a8925eb07db6_JaffaCakes118.exe
Size

183KB
MD5

866c8bb63f6289832d95a8925eb07db6
SHA1

8c8c9a8fa2c8b1dbae3e104c09005b3bc5dad175
SHA256

9b57b215e59de5823b0ac6e9f6689c3ca6971bfa309568b4e3e9114f9112b2fc
SHA512

7300412d8366f9a9ebd90e2f3d67d8ff89c76e760531788b09925e513e4812a7caa746a444b7b338970e58045b9df50c95373c9a5523dc6ed3d0fc7ed702a36d
SSDEEP

3072:RwK+yDUmJIuEw1UnUYs9tJogQFAZYKlixZy6Na8MYpaSyWf8nfsemQBY+ySS0N:aK+yDUm9WUlNTQGcy6E8XaSNKssyS

Score

10^/10

discovery persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe"	866c8bb63f6289832d95a8925eb07db6_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4952-1-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/1084-11-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/1084-12-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/868-109-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/868-108-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/4952-107-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/868-110-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/4952-185-0x0000000000400000-0x0000000000470000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	866c8bb63f6289832d95a8925eb07db6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 1084	4952	866c8bb63f6289832d95a8925eb07db6_JaffaCakes118.exe	85
PID 4952 wrote to memory of 1084	4952	866c8bb63f6289832d95a8925eb07db6_JaffaCakes118.exe	85
PID 4952 wrote to memory of 1084	4952	866c8bb63f6289832d95a8925eb07db6_JaffaCakes118.exe	85
PID 4952 wrote to memory of 868	4952	866c8bb63f6289832d95a8925eb07db6_JaffaCakes118.exe	92
PID 4952 wrote to memory of 868	4952	866c8bb63f6289832d95a8925eb07db6_JaffaCakes118.exe	92
PID 4952 wrote to memory of 868	4952	866c8bb63f6289832d95a8925eb07db6_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\866c8bb63f6289832d95a8925eb07db6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\866c8bb63f6289832d95a8925eb07db6_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Users\Admin\AppData\Local\Temp\866c8bb63f6289832d95a8925eb07db6_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\866c8bb63f6289832d95a8925eb07db6_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:1084
- C:\Users\Admin\AppData\Local\Temp\866c8bb63f6289832d95a8925eb07db6_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\866c8bb63f6289832d95a8925eb07db6_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\A489.2CF

Filesize
996B

MD5
c9e5d116dcc06fa68e03a3f8238abec3

SHA1
cf611ee91e7971f92291f932ee03affbcd17d6a3

SHA256
6378e06c7cc37334cfd9013a23cc7c1d34576258c5005745cbb56b38be8203d8

SHA512
96659215017bb332f4863863197c9b1d94f713770006674c340641b58a8308f5100c024affa0e51d0c4c660bb8cdab09d79413f67b0880ffb35aa9528680a523

Download Submit
C:\Users\Admin\AppData\Roaming\A489.2CF

Filesize
600B

MD5
abebe8984be17a8ae0e026083a5b553b

SHA1
24281f9086237b695370cb9003bf752ce1ba7d2b

SHA256
1118dc07b6e5e98d496e778ad4a0eb4e12e086282810e4b9335f65f9881751c6

SHA512
dcab61ae065c9f79f719879322d3e8076abee0ef6e583b88fd37995999d9693115d8603a82a38dd3491ebb20d430428a19e4edd66f92e3172378b3aac8a76992

Download Submit
C:\Users\Admin\AppData\Roaming\A489.2CF

Filesize
1KB

MD5
fca9cf4df89acd0a82ea658b3260674a

SHA1
025efa1b2453e8d649f1d3b60d18d7ebcd1b9b5d

SHA256
c8e75d84f76633c07513b53a05a0dbb6629d3a5db9e9c328080d22abb76e6e9c

SHA512
ba1350d06c474c8bfa843862e240226ee072a6c407e73fab3a9c46dcafeb7e5e7243e9eab109ff22e85a12e48de5e734b179762a7627eabb6246b684d9f80513

Download Submit
memory/868-109-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/868-108-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/868-110-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1084-11-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1084-12-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/4952-1-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/4952-107-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/4952-185-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads