bf0958b198936315a9588042e8fb4eeb1360f9322b4f19b06b462088dea7c339

General

Target

125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe
Size

344KB
MD5

125c3f679ebe7849d37ac96188c674ec
SHA1

33b4deb723798c8b236202e18734203a8e0f2d9e
SHA256

bf0958b198936315a9588042e8fb4eeb1360f9322b4f19b06b462088dea7c339
SHA512

c4371913c073f3d9f9d375b3bf8aa08ea848c351a78a89952dda477c02fa993801504628959faffbd4d2311fd3d469526b7e4adce5c0fe51541cace1edbea14b
SSDEEP

6144:DvDci6eqaPzJwCT0znucerL3tjRs2Ufg/4t/S2rBTATZUEUxDuus5As01uudY+o5:jUaPfjRsQ6S2NdX5oe2

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	jeibais.exe

Executes dropped EXE 1 IoCs

pid	Process
1620	jeibais.exe

Loads dropped DLL 2 IoCs

pid	Process
2748	125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe
2748	125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\jeibais = "C:\\Users\\Admin\\jeibais.exe /l"	125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\jeibais = "C:\\Users\\Admin\\jeibais.exe /b"	jeibais.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	jeibais.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	jeibais.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2736	2748	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 2 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	jeibais.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2748	125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe
1620	jeibais.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2748	125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe
1620	jeibais.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 1620	2748	125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe	30
PID 2748 wrote to memory of 1620	2748	125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe	30
PID 2748 wrote to memory of 1620	2748	125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe	30
PID 2748 wrote to memory of 1620	2748	125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\125c3f679ebe7849d37ac96188c674ec_JaffaCakes118.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Users\Admin\jeibais.exe
  "C:\Users\Admin\jeibais.exe"
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1620
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 768
  2⤵
  - Program crash
  PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

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\RCX8C89.tmp

Filesize
344KB

MD5
85862b1ec91de0d550c99392bcd08d6e

SHA1
8a4a9b83d38459e34ff3bf6e081a3491ba174cae

SHA256
89e76490fad3ec44c42694721f497331b7e04a0f6d1d2c7aaa54378f1a104ee7

SHA512
d5a8d36a0c224f56bdbe2a2548e6c671f8270a41bb2aa3661756307bd64972a514df4819856012c57adf67b8c8ff443fda303e41746e9c8ab4ad99f01eddbeae

Download Submit
C:\Users\Admin\jeibais.exe

Filesize
344KB

MD5
125c3f679ebe7849d37ac96188c674ec

SHA1
33b4deb723798c8b236202e18734203a8e0f2d9e

SHA256
bf0958b198936315a9588042e8fb4eeb1360f9322b4f19b06b462088dea7c339

SHA512
c4371913c073f3d9f9d375b3bf8aa08ea848c351a78a89952dda477c02fa993801504628959faffbd4d2311fd3d469526b7e4adce5c0fe51541cace1edbea14b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads