cc65b15401fdf5e70146327c46075ed797ea45968a1bed4b11012ee35693ae1d

General

Target

4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe
Size

238KB
MD5

4617a927c6fe71e0cb49fdb92ae6a625
SHA1

a28f7427ebeaf1e217767e70acfb657fd5c1c9a0
SHA256

cc65b15401fdf5e70146327c46075ed797ea45968a1bed4b11012ee35693ae1d
SHA512

78b1a54fe25da342e2840f6260700e82fa6982f277ab3ae5a83f5a12de10335b4922c182399d3a74deab5b17cdaaf10d2763f659f688ca7c36087850707d7adc
SSDEEP

6144:b2D0bYW3uGR3g4hdeuwksVFODxc1LLN8OA3:b2DHWemQOZsbODxc1Lm

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2728	Firefox Utility.exe
2548	Firefox Utility.exe

Loads dropped DLL 2 IoCs

pid	Process
2824	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe
2728	Firefox Utility.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mozilla Firefox = "C:\\Users\\Admin\\AppData\\Roaming\\Firefox Utility.exe"	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1936 set thread context of 2824	1936	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe	28
PID 2728 set thread context of 2548	2728	Firefox Utility.exe	30

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	Firefox Utility.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Firefox Utility.exe

Modifies Internet Explorer settings 1 TTPs 5 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	Firefox Utility.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main	Firefox Utility.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl	Firefox Utility.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	Firefox Utility.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\Firefox Utility.exe = "11001"	Firefox Utility.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2824	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe
2548	Firefox Utility.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe
Token: SeDebugPrivilege	2548	Firefox Utility.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 2824	1936	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe	28
PID 1936 wrote to memory of 2824	1936	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe	28
PID 1936 wrote to memory of 2824	1936	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe	28
PID 1936 wrote to memory of 2824	1936	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe	28
PID 1936 wrote to memory of 2824	1936	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe	28
PID 1936 wrote to memory of 2824	1936	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe	28
PID 1936 wrote to memory of 2824	1936	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe	28
PID 1936 wrote to memory of 2824	1936	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe	28
PID 1936 wrote to memory of 2824	1936	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe	28
PID 2824 wrote to memory of 2728	2824	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe	29
PID 2824 wrote to memory of 2728	2824	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe	29
PID 2824 wrote to memory of 2728	2824	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe	29
PID 2824 wrote to memory of 2728	2824	4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe	29
PID 2728 wrote to memory of 2548	2728	Firefox Utility.exe	30
PID 2728 wrote to memory of 2548	2728	Firefox Utility.exe	30
PID 2728 wrote to memory of 2548	2728	Firefox Utility.exe	30
PID 2728 wrote to memory of 2548	2728	Firefox Utility.exe	30
PID 2728 wrote to memory of 2548	2728	Firefox Utility.exe	30
PID 2728 wrote to memory of 2548	2728	Firefox Utility.exe	30
PID 2728 wrote to memory of 2548	2728	Firefox Utility.exe	30
PID 2728 wrote to memory of 2548	2728	Firefox Utility.exe	30
PID 2728 wrote to memory of 2548	2728	Firefox Utility.exe	30

C:\Users\Admin\AppData\Local\Temp\4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Users\Admin\AppData\Local\Temp\4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\4617a927c6fe71e0cb49fdb92ae6a625_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Users\Admin\AppData\Roaming\Firefox Utility.exe
    "C:\Users\Admin\AppData\Roaming\Firefox Utility.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2728
  - - C:\Users\Admin\AppData\Roaming\Firefox Utility.exe
      "C:\Users\Admin\AppData\Roaming\Firefox Utility.exe"
      4⤵
      Executes dropped EXE
      Checks processor information in registry
      Modifies Internet Explorer settings
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2548

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

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\Firefox Utility.exe

Filesize
238KB

MD5
4617a927c6fe71e0cb49fdb92ae6a625

SHA1
a28f7427ebeaf1e217767e70acfb657fd5c1c9a0

SHA256
cc65b15401fdf5e70146327c46075ed797ea45968a1bed4b11012ee35693ae1d

SHA512
78b1a54fe25da342e2840f6260700e82fa6982f277ab3ae5a83f5a12de10335b4922c182399d3a74deab5b17cdaaf10d2763f659f688ca7c36087850707d7adc

Download Submit
memory/1936-0-0x0000000074361000-0x0000000074362000-memory.dmp

Filesize
4KB

Download
memory/1936-1-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/1936-2-0x0000000001FC0000-0x0000000001FE2000-memory.dmp

Filesize
136KB

Download
memory/1936-6-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/1936-7-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2824-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2824-12-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2824-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-13-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download
memory/2824-21-0x0000000074360000-0x000000007490B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads