b820e0788f2afc001ba80ba7b27f5fae7c5f3f67aa4d2a9de5c08d40969f00e6

General

Target

856f37b66548f9b13fe3cc519028edc2_JaffaCakes118.exe
Size

102KB
MD5

856f37b66548f9b13fe3cc519028edc2
SHA1

5c0cf650461f16319f44656b9d322f6f60443fef
SHA256

b820e0788f2afc001ba80ba7b27f5fae7c5f3f67aa4d2a9de5c08d40969f00e6
SHA512

d25b3a2571ee2b8f20be8098f7a6f2aa22113039b3be6d96079b432a7fa0e64e02564ff2d7b6e95279bb1299dc444767dcf2d36d8c345003217271135f113a51
SSDEEP

3072:Oni53sWSyd2X1pivnYjJiYATxkBdJMFGCpRN:j3sDU2XjiwjJiYASBdqFGCPN

Score

10^/10

discovery evasion persistence upx

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	svcnost.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\xbvbpjrzhwmwlt1ckhlveosoqcqcm2ca2\svcnost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\xbvbpjrzhwmwlt1ckhlveosoqcqcm2ca2\\svcnost.exe:*:Enabled:ldrsoft"	svcnost.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\drivers\etc\hosts	856f37b66548f9b13fe3cc519028edc2_JaffaCakes118.exe

Loads dropped DLL 2 IoCs

pid	Process
3036	svcnost.exe
3036	svcnost.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2000-0-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/2000-3-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/3036-7-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/2000-9-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/3036-22-0x0000000000400000-0x0000000000462000-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\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Init = "\"C:\\Users\\Admin\\AppData\\Roaming\\xbvbpjrzhwmwlt1ckhlveosoqcqcm2ca2\\svcnost.exe\""	856f37b66548f9b13fe3cc519028edc2_JaffaCakes118.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\desktop.ini	svcnost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\desktop.ini	svcnost.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	svcnost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	856f37b66548f9b13fe3cc519028edc2_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\SOFTWARE\Microsoft\Internet Explorer\LowRegistry	svcnost.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\LowRegistry\SavedLegacySettingsML = 393038373137323030	svcnost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2000	856f37b66548f9b13fe3cc519028edc2_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2000	856f37b66548f9b13fe3cc519028edc2_JaffaCakes118.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2000	856f37b66548f9b13fe3cc519028edc2_JaffaCakes118.exe
3036	svcnost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 3036	2000	856f37b66548f9b13fe3cc519028edc2_JaffaCakes118.exe	30
PID 2000 wrote to memory of 3036	2000	856f37b66548f9b13fe3cc519028edc2_JaffaCakes118.exe	30
PID 2000 wrote to memory of 3036	2000	856f37b66548f9b13fe3cc519028edc2_JaffaCakes118.exe	30
PID 2000 wrote to memory of 3036	2000	856f37b66548f9b13fe3cc519028edc2_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\856f37b66548f9b13fe3cc519028edc2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\856f37b66548f9b13fe3cc519028edc2_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Users\Admin\AppData\Roaming\xbvbpjrzhwmwlt1ckhlveosoqcqcm2ca2\svcnost.exe
  "C:\Users\Admin\AppData\Roaming\xbvbpjrzhwmwlt1ckhlveosoqcqcm2ca2\svcnost.exe"
  2⤵
  - Modifies firewall policy service
  - Loads dropped DLL
  - Drops desktop.ini file(s)
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of UnmapMainImage
  PID:3036

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

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

\Users\Admin\AppData\Roaming\desktop.ini

Filesize
9KB

MD5
4a27242b307c6a836993353035fafc16

SHA1
5fea7a41b8f9071848108015d8a952e6f944eea0

SHA256
02fd93f64bda51e1e2991184cac13f077d509712e462c9e44be9cf8e22c06de1

SHA512
35e9c87642b82df2bf0a9312bb0e9abfb98282db1e34032a4d0150d82c5e2f2e13150ddc896f1e954f02288a1e696a4306ee595b94b1e404c6ec17bac64c44be

Download Submit
\Users\Admin\AppData\Roaming\ntuser.dat

Filesize
54KB

MD5
7e8e966927e04a35aec644602b8a9e05

SHA1
d201b0b41e8701818d60ddbf9f334332a512c4da

SHA256
46f18d9fbf63f378d86962cbf24f5ce57ce257555acd4effdcc41c1e2f1adf5c

SHA512
246777c79129a5076b71ca5d3f7e59b06d344f6b5e771892ae8ee68c0b5af9207cd1868b1336b49e6a84665309ad379a33ec6c8e72d7ce41de72153637921a51

Download Submit
memory/2000-9-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2000-3-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2000-2-0x0000000000340000-0x00000000003A2000-memory.dmp

Filesize
392KB

Download
memory/2000-1-0x00000000002D0000-0x0000000000332000-memory.dmp

Filesize
392KB

Download
memory/2000-0-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3036-7-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3036-10-0x0000000000340000-0x000000000035D000-memory.dmp

Filesize
116KB

Download
memory/3036-11-0x0000000000340000-0x000000000035D000-memory.dmp

Filesize
116KB

Download
memory/3036-14-0x0000000000340000-0x000000000035D000-memory.dmp

Filesize
116KB

Download
memory/3036-6-0x00000000002C0000-0x0000000000322000-memory.dmp

Filesize
392KB

Download
memory/3036-5-0x0000000000250000-0x00000000002B2000-memory.dmp

Filesize
392KB

Download
memory/3036-22-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3036-23-0x0000000000340000-0x000000000035D000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads