15c349a8c9212df0993b43e14ea23230cac772ca9b7a10456d90d20358602229

General

Target

3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe
Size

200KB
MD5

3700da46b72b0d70032dfc574c9340d3
SHA1

30fb310a0105aa2bf827c764fcbd7d6ff10a6f34
SHA256

15c349a8c9212df0993b43e14ea23230cac772ca9b7a10456d90d20358602229
SHA512

c80df7fc8e96cd02cf8cc819e7fd0d81975e2ca6a26b42b478126f9a179f48cbe30493d6fe0ae220d5fe7c86a7b19371e9ccd9741e7d0bad3b5fec170a9a0267
SSDEEP

6144:SoODFF3JH1ake3Nr/HXPm13QQiI2UOgoo730z8myhzUHqn:MSjr/PmeQiZgoo7E0eq

Score

10^/10

persistence spyware stealer 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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe"	3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1300-1-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/1300-3-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/2560-6-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/1300-14-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/1484-80-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/1300-81-0x0000000000400000-0x000000000048C000-memory.dmp	upx
behavioral1/memory/1300-187-0x0000000000400000-0x000000000048C000-memory.dmp	upx

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 2560	1300	3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe	30
PID 1300 wrote to memory of 2560	1300	3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe	30
PID 1300 wrote to memory of 2560	1300	3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe	30
PID 1300 wrote to memory of 2560	1300	3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe	30
PID 1300 wrote to memory of 1484	1300	3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe	33
PID 1300 wrote to memory of 1484	1300	3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe	33
PID 1300 wrote to memory of 1484	1300	3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe	33
PID 1300 wrote to memory of 1484	1300	3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Users\Admin\AppData\Local\Temp\3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:2560
- C:\Users\Admin\AppData\Local\Temp\3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\3700da46b72b0d70032dfc574c9340d3_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:1484

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

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\A114.69F

Filesize
1KB

MD5
06808761b55dc9368948266797d2dd9d

SHA1
816d01a992342828d550ffbbd929ef21b31facd0

SHA256
ece2f8dc6f7e5d05a964575fb17c8f92c7ce26e0cfb53af343a19a5351263656

SHA512
05e202a8a19a7e2dfef67893fd2b4f9d664657725950e26f5a6ec384c691f01c94fb04ba0bef7d019dd93fc314f77e17ace1d6d964f5fb69ac77034f0586cd02

Download Submit
C:\Users\Admin\AppData\Roaming\A114.69F

Filesize
600B

MD5
6b042d3ca7a8a1487357e19a440b0ee4

SHA1
cf8ed64bb9d7e5afb4349d999e382c64a6e39592

SHA256
bba298003728af93b4b3c94e14112bc27ad812c58432bbd7fd4eedc454cea20f

SHA512
aa381e26a2972045fab0777b6346803dd947ee5bc4e7e307f22e7339d11eeb831f19fb8fc27cc399baf5db6d0a1822bdf7da738a3984a13eef70e12989931bba

Download Submit
memory/1300-1-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1300-3-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1300-14-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1300-81-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1300-187-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1484-80-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/1484-151-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/2560-6-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads