4f5de3312e1ba01d315405cbdb6d708d1d45deb7da4718accc6c92d89cc43bdb

General

Target

a1fba4fc7c545df03dd41273464f5a2e_JaffaCakes118.exe
Size

345KB
MD5

a1fba4fc7c545df03dd41273464f5a2e
SHA1

2db1c86675229b25fd35bc1e641d74042e370456
SHA256

4f5de3312e1ba01d315405cbdb6d708d1d45deb7da4718accc6c92d89cc43bdb
SHA512

f6b2506bf491ec587b1534aee2b69658613c5b810b4cc6a04c0eb5aa2dbf5b5574d4ebb4b104393fd80ef8b578b6c0a740cd5872132f37d9e2343191e3e23267
SSDEEP

6144:qejcG1q9Y8PbwsZOenCoTh93NphmLAvWkddgcU1y4UwE:qIcG1qjbFOy93fhUeTVU1y4M

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	a1fba4fc7c545df03dd41273464f5a2e_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2392	hylldknr.exe

Loads dropped DLL 1 IoCs

pid	Process
2392	hylldknr.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2056	1648	WerFault.exe	83
4832	2392	WerFault.exe	96

System Location Discovery: System Language Discovery 1 TTPs 5 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hylldknr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1fba4fc7c545df03dd41273464f5a2e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
772	cmd.exe
2992	PING.EXE

Kills process with taskkill 1 IoCs

evasion

pid	Process
3700	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2992	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3700	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 772	1648	a1fba4fc7c545df03dd41273464f5a2e_JaffaCakes118.exe	91
PID 1648 wrote to memory of 772	1648	a1fba4fc7c545df03dd41273464f5a2e_JaffaCakes118.exe	91
PID 1648 wrote to memory of 772	1648	a1fba4fc7c545df03dd41273464f5a2e_JaffaCakes118.exe	91
PID 772 wrote to memory of 3700	772	cmd.exe	93
PID 772 wrote to memory of 3700	772	cmd.exe	93
PID 772 wrote to memory of 3700	772	cmd.exe	93
PID 772 wrote to memory of 2992	772	cmd.exe	95
PID 772 wrote to memory of 2992	772	cmd.exe	95
PID 772 wrote to memory of 2992	772	cmd.exe	95
PID 772 wrote to memory of 2392	772	cmd.exe	96
PID 772 wrote to memory of 2392	772	cmd.exe	96
PID 772 wrote to memory of 2392	772	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\a1fba4fc7c545df03dd41273464f5a2e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a1fba4fc7c545df03dd41273464f5a2e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1648 -s 556
  2⤵
  - Program crash
  PID:2056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1648 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\a1fba4fc7c545df03dd41273464f5a2e_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\hylldknr.exe -f
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:772
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 1648
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3700
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2992
- - C:\Users\Admin\AppData\Local\hylldknr.exe
    C:\Users\Admin\AppData\Local\hylldknr.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2392
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 568
      4⤵
      Program crash
      PID:4832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1648 -ip 1648
1⤵
PID:4404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2392 -ip 2392
1⤵
PID:5048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\hylldknr.exe

Filesize
345KB

MD5
a1fba4fc7c545df03dd41273464f5a2e

SHA1
2db1c86675229b25fd35bc1e641d74042e370456

SHA256
4f5de3312e1ba01d315405cbdb6d708d1d45deb7da4718accc6c92d89cc43bdb

SHA512
f6b2506bf491ec587b1534aee2b69658613c5b810b4cc6a04c0eb5aa2dbf5b5574d4ebb4b104393fd80ef8b578b6c0a740cd5872132f37d9e2343191e3e23267

Download Submit
memory/1648-0-0x0000000000E50000-0x0000000000E53000-memory.dmp

Filesize
12KB

Download
memory/1648-1-0x0000000001000000-0x00000000010B7000-memory.dmp

Filesize
732KB

Download
memory/1648-2-0x0000000001000000-0x00000000010B7000-memory.dmp

Filesize
732KB

Download
memory/1648-5-0x0000000001000000-0x00000000010B7000-memory.dmp

Filesize
732KB

Download
memory/2392-9-0x0000000001000000-0x00000000010B7000-memory.dmp

Filesize
732KB

Download
memory/2392-10-0x0000000001000000-0x00000000010B7000-memory.dmp

Filesize
732KB

Download
memory/2392-12-0x0000000001000000-0x00000000010B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads