38e4e36d76cea54d34e92d80fa07267224732a3e7cb3febb9e8198a94086e33e

General

Target

cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe
Size

184KB
MD5

cf25251276b2999c8f7014697f57a7c2
SHA1

01fcbc1ca0a3dde9914724faf96232e9396a11ef
SHA256

38e4e36d76cea54d34e92d80fa07267224732a3e7cb3febb9e8198a94086e33e
SHA512

751dd702f700bd11946d6a9e5a6a05468c8d4f71900b6c2953f3578e1eef987baf3c350132870149c73e2cb25790fe531cc09ba4ee2a90323cb8e7959f83589a
SSDEEP

3072:6vjYbzdwq5vvF70xmmPx22uuzoGmTwaS4XZyAalOwpEpKia:6vjYbzWqpMU2uusfVX4Rpsr

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"	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2856-1-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/3532-12-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/3532-13-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/2856-14-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/2608-81-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/2856-82-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/2856-191-0x0000000000400000-0x0000000000470000-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	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 3532	2856	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe	86
PID 2856 wrote to memory of 3532	2856	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe	86
PID 2856 wrote to memory of 3532	2856	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe	86
PID 2856 wrote to memory of 2608	2856	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe	97
PID 2856 wrote to memory of 2608	2856	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe	97
PID 2856 wrote to memory of 2608	2856	cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Users\Admin\AppData\Local\Temp\cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:3532
- C:\Users\Admin\AppData\Local\Temp\cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\cf25251276b2999c8f7014697f57a7c2_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:2608

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\D591.9AE

Filesize
1KB

MD5
d4e54f72db66c3bc5e4e8d96d46a6661

SHA1
4c73d15cba97c2955338003f8284ce18cc5c1bf2

SHA256
a2342d951e03446a52df1562d103bf988e5819872c38d93a87ddd80e53ce24c8

SHA512
36607fe344613a9b4f59af8f896f81fcce6ae4f82f5c9bdfdc8431ff579571319eac4eadc0b5866ecdf0fd7cb87dd104af70da3dcc2554e53a3ccc11fc44534d

Download Submit
C:\Users\Admin\AppData\Roaming\D591.9AE

Filesize
600B

MD5
144f85dd6c4d2fd29f9016ceccff5fb2

SHA1
292f075de6e53b09575f33504d6ee2e8f208471d

SHA256
b243d71181276592f0df01fa83d1c3e02ee2e3b4ea731e3713fb3a5600911432

SHA512
7ba5d929df9a7e0fd24a96da3fe7ef7efd49d3d4197e07ac5392bb508f3a0c0eff5456bb0f84e257db4d787a45790e95559f5d136692883936d58950420370f4

Download Submit
C:\Users\Admin\AppData\Roaming\D591.9AE

Filesize
996B

MD5
827a136a3986457b57ab759785c2d3e2

SHA1
4e7722ea4dd7ed47abe90043441af204d30a0b55

SHA256
4e273debd1296b2e8417b22cb9eaf633c65b0065fa164fdaeb64fd5637cfd330

SHA512
a96f341baef2baaa2763ae3fff7eb65c1bf3b7d2f0e0c302ac7b5d637dd222149875e7ce1a66a67e8053a92f5e72995dcb50143ab506b5fbeba427fac2b461ea

Download Submit
memory/2608-81-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2856-1-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2856-14-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2856-82-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2856-191-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/3532-11-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/3532-12-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/3532-13-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads