45bbfc0d49fa65b0580e54eb19fd917f13d167ee1492d2e6ca48d4fcca0da68f

General

Target

4d4ce53cc93cab7dda25db332c6319aa_JaffaCakes118.exe
Size

48KB
MD5

4d4ce53cc93cab7dda25db332c6319aa
SHA1

90fbe00e4216aa29684ac0fb6c850e542e3b5939
SHA256

45bbfc0d49fa65b0580e54eb19fd917f13d167ee1492d2e6ca48d4fcca0da68f
SHA512

92f48dc961ce6b937602b5e13f18d67a00cba39d1b3792db97e1740480f3118048c50033bae6da2c352ba0d9ed92ea1bc6955dd5594cf33733ada10368f03eec
SSDEEP

768:6VhHmMth6A4Uq6y+KkIP8c5+L/xa7JABVS06lyuoNDCktKXjlyoqpkXf:6zHmMthuUq9+Kk48C+QJAuoNgXjlyo6k

Score

10^/10

evasion persistence trojan upx

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	4d4ce53cc93cab7dda25db332c6319aa_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3000	bill102.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4940-0-0x0000000000400000-0x0000000000422000-memory.dmp	upx
behavioral2/files/0x0009000000023412-4.dat	upx
behavioral2/memory/4940-9-0x0000000000400000-0x0000000000422000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 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\Run\sysfbtray = "c:\\windows\\bill102.exe"	bill102.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4d4ce53cc93cab7dda25db332c6319aa_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	bill102.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\bill102.exe	4d4ce53cc93cab7dda25db332c6319aa_JaffaCakes118.exe
File created	\??\c:\windows\bill102.exe	4d4ce53cc93cab7dda25db332c6319aa_JaffaCakes118.exe
File created	C:\Windows\dxxdv34567.bat	4d4ce53cc93cab7dda25db332c6319aa_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\Software\Microsoft\Internet Explorer\Main	bill102.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Internet Explorer\Main\tp = "1003"	bill102.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 3000	4940	4d4ce53cc93cab7dda25db332c6319aa_JaffaCakes118.exe	84
PID 4940 wrote to memory of 3000	4940	4d4ce53cc93cab7dda25db332c6319aa_JaffaCakes118.exe	84
PID 4940 wrote to memory of 3000	4940	4d4ce53cc93cab7dda25db332c6319aa_JaffaCakes118.exe	84
PID 4940 wrote to memory of 1112	4940	4d4ce53cc93cab7dda25db332c6319aa_JaffaCakes118.exe	85
PID 4940 wrote to memory of 1112	4940	4d4ce53cc93cab7dda25db332c6319aa_JaffaCakes118.exe	85
PID 4940 wrote to memory of 1112	4940	4d4ce53cc93cab7dda25db332c6319aa_JaffaCakes118.exe	85

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	4d4ce53cc93cab7dda25db332c6319aa_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\4d4ce53cc93cab7dda25db332c6319aa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4d4ce53cc93cab7dda25db332c6319aa_JaffaCakes118.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4940
- \??\c:\windows\bill102.exe
  c:\windows\bill102.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Modifies Internet Explorer settings
  PID:3000
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\dxxdv34567.bat
  2⤵
  PID:1112

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\bill102.exe

Filesize
48KB

MD5
4d4ce53cc93cab7dda25db332c6319aa

SHA1
90fbe00e4216aa29684ac0fb6c850e542e3b5939

SHA256
45bbfc0d49fa65b0580e54eb19fd917f13d167ee1492d2e6ca48d4fcca0da68f

SHA512
92f48dc961ce6b937602b5e13f18d67a00cba39d1b3792db97e1740480f3118048c50033bae6da2c352ba0d9ed92ea1bc6955dd5594cf33733ada10368f03eec

Download Submit
C:\Windows\dxxdv34567.bat

Filesize
277B

MD5
a2704f6b8b840e19e223f92095297d1f

SHA1
9e647bacfc4d24b99cf1ffc3f9b6024d589af92f

SHA256
ef162ccb6f65915c8f25fe476ce5ed8cacd7ee5e2e6fee981bd8fad8cb0a2311

SHA512
1737952a944a181f5d2f0eaa91205c3b968e868af505ddc849bbd66bd96c7fd93a00cdb1d28430cb95a6833a2bdb67fc386d1167f14343e3da0608267041892a

Download Submit
memory/4940-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/4940-9-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads