e827ec1d9d08a3fdfa96646d9be3740f6160a33d4287646775ba0f9b2484b23a

General

Target
a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe
Size 1.0MB
Sample240613-rx229axbqq
SHA256 e827ec1d9d08a3fdfa96646d9be3740f6160a33d4287646775ba0f9b2484b23a
MD5 a60cd4aa667cebc3f937dfafbc1439f9
SHA1 5e82c586e92d1d9ff7e0271173a24fac4fbc6433
SHA512 58e42ce0fa746f51bc627f06a5d4b1939ce803d689b5568b24be655dc5d8851e6e9e74ca002099ec6bdf53049d88370070d8a71934cf5c6a96cf8121697373be
SSDEEP 24576:0rcu3P3TWeHfTPidM3C/+Tb/uE6/8JNoufQd3TXwcAZDba0HZjkq:0rcu3PDP/TKO3cK/uE6qLQFX6ZDrZAq
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

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 8 IoCs

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

resource	yara_rule
behavioral2/memory/3816-5-0x0000000000400000-0x0000000000646000-memory.dmp	upx
behavioral2/memory/3816-6-0x0000000000400000-0x0000000000646000-memory.dmp	upx
behavioral2/memory/3816-8-0x0000000000400000-0x0000000000646000-memory.dmp	upx
behavioral2/memory/3816-10-0x0000000000400000-0x0000000000646000-memory.dmp	upx
behavioral2/memory/3816-9-0x0000000000400000-0x0000000000646000-memory.dmp	upx
behavioral2/memory/3816-11-0x0000000000400000-0x0000000000646000-memory.dmp	upx
behavioral2/memory/3816-12-0x0000000000400000-0x0000000000646000-memory.dmp	upx
behavioral2/memory/3816-14-0x0000000000400000-0x0000000000646000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe"	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3724 set thread context of 3816	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	97

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2520	3724	WerFault.exe	88

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe
3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe
3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3724 wrote to memory of 4964	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	95
PID 3724 wrote to memory of 4964	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	95
PID 3724 wrote to memory of 4964	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	95
PID 3724 wrote to memory of 2492	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	96
PID 3724 wrote to memory of 2492	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	96
PID 3724 wrote to memory of 2492	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	96
PID 3724 wrote to memory of 3816	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	97
PID 3724 wrote to memory of 3816	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	97
PID 3724 wrote to memory of 3816	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	97
PID 3724 wrote to memory of 3816	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	97
PID 3724 wrote to memory of 3816	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	97
PID 3724 wrote to memory of 3816	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	97
PID 3724 wrote to memory of 3816	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	97
PID 3724 wrote to memory of 3816	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	97
PID 3724 wrote to memory of 3816	3724	a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 400
  2⤵
  - Program crash
  PID:2520
- C:\Users\Admin\AppData\Local\Temp\a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe
  2⤵
  PID:4964
- C:\Users\Admin\AppData\Local\Temp\a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe
  2⤵
  PID:2492
- C:\Users\Admin\AppData\Local\Temp\a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a60cd4aa667cebc3f937dfafbc1439f9_JaffaCakes118.exe
  2⤵
  - Adds Run key to start application
  PID:3816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3724 -ip 3724
1⤵
PID:4360

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4216,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=4232 /prefetch:8
1⤵
PID:2304