3fa4297a33559e7a7c5676bd3f955a38148ee5820e58ed3cf13483ae5ed4abd7

General

Target

ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe
Size

164KB
MD5

ed51777d92665bb45ac892160984cd5c
SHA1

223f0ac840afdfa4bde34cbfbe0d362d9fa91fe6
SHA256

3fa4297a33559e7a7c5676bd3f955a38148ee5820e58ed3cf13483ae5ed4abd7
SHA512

721b0503e23ea81943d4ba8b46f9dc0c606c0ad724a10015039841b02821fd8de646cad555202f7e328244aecb5f11cd6722d8e45193b6122dbd2f122ca0e51d
SSDEEP

3072:ktOmSp7U9vDIZ0/zR8nLlnEXz83L60aaHm+gPMWZdvb:f+v6c6LlnEXE/g0gv

Score

10^/10

discovery 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\\B4D94\\E6DDF.exe"	ed51777d92665bb45ac892160984cd5c_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 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2292-2-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/1768-14-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/1768-12-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/1768-15-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/2292-16-0x0000000000400000-0x000000000048E000-memory.dmp	upx
behavioral1/memory/2292-17-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/1696-120-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/1696-121-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/2292-122-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/2292-292-0x0000000000400000-0x0000000000490000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 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	ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 1768	2292	ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe	28
PID 2292 wrote to memory of 1768	2292	ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe	28
PID 2292 wrote to memory of 1768	2292	ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe	28
PID 2292 wrote to memory of 1768	2292	ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe	28
PID 2292 wrote to memory of 1696	2292	ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe	30
PID 2292 wrote to memory of 1696	2292	ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe	30
PID 2292 wrote to memory of 1696	2292	ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe	30
PID 2292 wrote to memory of 1696	2292	ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Users\Admin\AppData\Local\Temp\ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe startC:\Program Files (x86)\LP\DF6B\5F4.exe%C:\Program Files (x86)\LP\DF6B
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1768
- C:\Users\Admin\AppData\Local\Temp\ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ed51777d92665bb45ac892160984cd5c_JaffaCakes118.exe startC:\Program Files (x86)\943B9\lvvm.exe%C:\Program Files (x86)\943B9
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1696

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\B4D94\43B9.4D9

Filesize
996B

MD5
233e962253b6ba6c975b675ec3375ed8

SHA1
4a1b98497da8b06d9b07857ce06df617e3cc3630

SHA256
2410341aa3f0d9bb9e642e992280bd280b9c8cd84b2352d5fa3d580b727da56a

SHA512
8eff6e69789cc4b0aed8103c2cd06add76607e2102e2d34b457847559bf66796a48b3c78632010d8abb1cf59ce2ddb4cf89bd1fac8c1e673e026ad8438152c2d

Download Submit
C:\Users\Admin\AppData\Roaming\B4D94\43B9.4D9

Filesize
600B

MD5
ab790be2f054b2c0421d1cdf82425253

SHA1
73c5a11c79fd5afee72860820d4c52b1a536bd0d

SHA256
2b7c92f35660d3894f8cf04b86658cd5c28be06c262be939c19718d5b5a3f94e

SHA512
0945f17def80f23952c8884f6ce9c0f54ef3188cab9195e15f58c5c2ba5a5c83023e5065bf07ace21572da38055aaddc9d93f161b9fce3ccfb87dfc9c63d08d2

Download Submit
C:\Users\Admin\AppData\Roaming\B4D94\43B9.4D9

Filesize
1KB

MD5
e01df728e790e6110705bf8d946ad31c

SHA1
ddc7e274067ce76d4ca0975a7f44a53ebcb379f1

SHA256
2d3a299f611668a3a165bf855689c40050044bb443ff5436e41bda3642a8b688

SHA512
02282568199444b342c69512c916846547ab7e4261b80d53640b7c77f4017e82da2cf09e3647b339e01c5dfa0707498bec8061bc5c1685fd06dcadebdaa05fa9

Download Submit
memory/1696-121-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1696-119-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1696-120-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1768-117-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1768-15-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1768-12-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1768-14-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2292-17-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2292-1-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2292-16-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2292-122-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2292-2-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2292-292-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads