d4716196dc3625a42a0e312ce512a8dde0af9539b70cc42c1e6288bbaadf9baa

General

Target

026c2d73e5b85546ebbba5ba1d3ffea2_JaffaCakes118.exe
Size

187KB
MD5

026c2d73e5b85546ebbba5ba1d3ffea2
SHA1

843969df9bb4c4fe20d0273715f402f52f9a1aa7
SHA256

d4716196dc3625a42a0e312ce512a8dde0af9539b70cc42c1e6288bbaadf9baa
SHA512

d45ff5272fd9c9ee2527dd860f005b5076b7d6966fd131ae3c19b5ea04325d89086b1d9c90fa0491362700911eb88de281c27e38d166c684d3a8c776fb1ce2e1
SSDEEP

3072:d0HqNulfLuVKO1qZyqMWC9gfAXAIcih0gtvw/JpJ/9CCzJd:qDoYO1IMWC9NAIf5aRpJ/N

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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe"	026c2d73e5b85546ebbba5ba1d3ffea2_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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3000-1-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/3000-3-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2184-8-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/1508-85-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/3000-84-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/3000-198-0x0000000000400000-0x000000000046C000-memory.dmp	upx

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2184	3000	026c2d73e5b85546ebbba5ba1d3ffea2_JaffaCakes118.exe	28
PID 3000 wrote to memory of 2184	3000	026c2d73e5b85546ebbba5ba1d3ffea2_JaffaCakes118.exe	28
PID 3000 wrote to memory of 2184	3000	026c2d73e5b85546ebbba5ba1d3ffea2_JaffaCakes118.exe	28
PID 3000 wrote to memory of 2184	3000	026c2d73e5b85546ebbba5ba1d3ffea2_JaffaCakes118.exe	28
PID 3000 wrote to memory of 1508	3000	026c2d73e5b85546ebbba5ba1d3ffea2_JaffaCakes118.exe	30
PID 3000 wrote to memory of 1508	3000	026c2d73e5b85546ebbba5ba1d3ffea2_JaffaCakes118.exe	30
PID 3000 wrote to memory of 1508	3000	026c2d73e5b85546ebbba5ba1d3ffea2_JaffaCakes118.exe	30
PID 3000 wrote to memory of 1508	3000	026c2d73e5b85546ebbba5ba1d3ffea2_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\026c2d73e5b85546ebbba5ba1d3ffea2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\026c2d73e5b85546ebbba5ba1d3ffea2_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Users\Admin\AppData\Local\Temp\026c2d73e5b85546ebbba5ba1d3ffea2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\026c2d73e5b85546ebbba5ba1d3ffea2_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:2184
- C:\Users\Admin\AppData\Local\Temp\026c2d73e5b85546ebbba5ba1d3ffea2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\026c2d73e5b85546ebbba5ba1d3ffea2_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:1508

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\4B83.761

Filesize
600B

MD5
ded16d5f547e7f4a44e3b7bd6fdf362d

SHA1
4f00501d0846f6411ad7dd05808dda9b5b9d704d

SHA256
4d0912fd4bc8be1d2a27f1d5566e7fd382dbb12302062012dd3ce68b0afe1653

SHA512
1053a88a420551cbdd0cb8f1c3fbe2627235ca1f51d94320fe54e7f1e51bd763cc2686c783ee87e7dfc1bffa533a883c710d4c5f0c1c66be1eb725600684623f

Download Submit
C:\Users\Admin\AppData\Roaming\4B83.761

Filesize
1KB

MD5
7364a6133affb29d44a0d7d6907fafb3

SHA1
f90a827e8b080c66465b6d30c1238d236bdca96f

SHA256
a645a72c958dea17ada74734cb77c15d1f36ef5b27db8c4ccb05cd0d4ef29be4

SHA512
c5e30da72e25af92cb1ca13eb015b22dcfbd5d825e7be7038d47fcfaa09d9be6ddd7ed5afac7cca70bcdc32bd460ee1b2dc75384b2b1da56c20562fcc76bd179

Download Submit
C:\Users\Admin\AppData\Roaming\4B83.761

Filesize
996B

MD5
a86c05b680ee278abde63b442e19828c

SHA1
03a4d2d5b858f3361be79f0ca8acfac18a733e63

SHA256
6e66cfe7fcef2d81ad2800d346cd1a25801bbfba047081a2d6f715fc43b5f146

SHA512
c159d66552c0046fe099bc4e104ff4a661de7d3e9946b990668d4daa5f4f895dc47c2547e3e96640a1243e4fadf3639b763cdd14edcbda1c9dc83e076cd4d651

Download Submit
memory/1508-86-0x000000000055C000-0x0000000000577000-memory.dmp

Filesize
108KB

Download
memory/1508-85-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2184-8-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2184-9-0x000000000057C000-0x0000000000597000-memory.dmp

Filesize
108KB

Download
memory/3000-1-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3000-3-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3000-84-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3000-198-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads