7921a4742ff222d57c1e9c48274c51af4a8421991808d3b0ccea2f562755bdb8

General

Target

b85647797fd08c0ca3a691f3e869f551_JaffaCakes118.exe
Size

92KB
MD5

b85647797fd08c0ca3a691f3e869f551
SHA1

14cedc4a6b9107b2a4c66b9b7ea562a514655f01
SHA256

7921a4742ff222d57c1e9c48274c51af4a8421991808d3b0ccea2f562755bdb8
SHA512

0185858a415b611599ae11a11c1e506c2e8f8ac0d73b66fed48614fc1752c7076cfc57b662568e1d839a2a276b622b4efedfa62414d0b566bef99f3f4ec4654e
SSDEEP

1536:uWHR0quA7x1mHcFBN7CCeBk+0vpWSDk9UHaELhebc9bjNJPhjdUV4g:pdAHCan0BWSuU6ELh+WXhBUV4g

Score

8^/10

discovery persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	mbqzgfel.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\C11gZzl1kQ = "C:\\ProgramData\\wxwdmnmv\\mbqzgfel.exe"	mbqzgfel.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	b85647797fd08c0ca3a691f3e869f551_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	install.exe

Executes dropped EXE 4 IoCs

pid	Process
4436	loader.exe
4148	install.exe
2616	4BNB5.exe
2096	mbqzgfel.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\braviax = "C:\\Windows\\system32\\braviax.exe"	install.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\braviax = "C:\\Windows\\system32\\braviax.exe"	install.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\braviax.exe	install.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
4712	988	WerFault.exe	83
5024	4436	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 7 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b85647797fd08c0ca3a691f3e869f551_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	install.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4BNB5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mbqzgfel.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 988 wrote to memory of 4436	988	b85647797fd08c0ca3a691f3e869f551_JaffaCakes118.exe	90
PID 988 wrote to memory of 4436	988	b85647797fd08c0ca3a691f3e869f551_JaffaCakes118.exe	90
PID 988 wrote to memory of 4436	988	b85647797fd08c0ca3a691f3e869f551_JaffaCakes118.exe	90
PID 988 wrote to memory of 4148	988	b85647797fd08c0ca3a691f3e869f551_JaffaCakes118.exe	91
PID 988 wrote to memory of 4148	988	b85647797fd08c0ca3a691f3e869f551_JaffaCakes118.exe	91
PID 988 wrote to memory of 4148	988	b85647797fd08c0ca3a691f3e869f551_JaffaCakes118.exe	91
PID 988 wrote to memory of 2616	988	b85647797fd08c0ca3a691f3e869f551_JaffaCakes118.exe	93
PID 988 wrote to memory of 2616	988	b85647797fd08c0ca3a691f3e869f551_JaffaCakes118.exe	93
PID 988 wrote to memory of 2616	988	b85647797fd08c0ca3a691f3e869f551_JaffaCakes118.exe	93
PID 4148 wrote to memory of 1820	4148	install.exe	95
PID 4148 wrote to memory of 1820	4148	install.exe	95
PID 4148 wrote to memory of 1820	4148	install.exe	95
PID 2616 wrote to memory of 2096	2616	4BNB5.exe	107
PID 2616 wrote to memory of 2096	2616	4BNB5.exe	107
PID 2616 wrote to memory of 2096	2616	4BNB5.exe	107
PID 2616 wrote to memory of 3396	2616	4BNB5.exe	108
PID 2616 wrote to memory of 3396	2616	4BNB5.exe	108
PID 2616 wrote to memory of 3396	2616	4BNB5.exe	108

C:\Users\Admin\AppData\Local\Temp\b85647797fd08c0ca3a691f3e869f551_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b85647797fd08c0ca3a691f3e869f551_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 988 -s 308
  2⤵
  - Program crash
  PID:4712
- C:\Users\Admin\AppData\Local\Temp\loader.exe
  "C:\Users\Admin\AppData\Local\Temp\loader.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4436 -s 264
    3⤵
    - Program crash
    PID:5024
- C:\Users\Admin\AppData\Local\Temp\install.exe
  "C:\Users\Admin\AppData\Local\Temp\install.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4148
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\delself.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1820
- C:\Users\Admin\AppData\Local\Temp\4BNB5.exe
  "C:\Users\Admin\AppData\Local\Temp\4BNB5.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\ProgramData\wxwdmnmv\mbqzgfel.exe
    C:\ProgramData\wxwdmnmv\mbqzgfel.exe
    3⤵
    - Adds policy Run key to start application
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2096
- - C:\Windows\SysWOW64\cmd.exe
    /c del /f C:\Users\Admin\AppData\Local\Temp\4BNB5.exe.bak >> NUL
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 988 -ip 988
1⤵
PID:2212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4436 -ip 4436
1⤵
PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

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\AppData\Local\Temp\4BNB5.exe

Filesize
64KB

MD5
96161c05b0a77109a14f40d98e9dd9d6

SHA1
e80438e8fe21a523aa1c51635df0f4b8653a6199

SHA256
5790197a67a3ff0dea89b128a704fe0f6e16df95509ffa972cf95d69792539c8

SHA512
7018b96248b375ab59649c8d7a09274bb6b3bbf8405b00b60f103f180248f8a9fa00ae021f3cc0124d107c54e56a64b86f6a126cc672c0a3ba52737671eeb343

Download Submit
C:\Users\Admin\AppData\Local\Temp\delself.bat

Filesize
152B

MD5
0f0e068269add9b61c4ba2de8e175e69

SHA1
fbf91d10934a212aa3e3654ff246ff20ffa9e943

SHA256
b9ce21e0d4adb06e7e816c0606c708b37b79c1e54f6ff811b7c47aa60956b3c5

SHA512
0377ac7deb8af01936d37ec88ff732a543a926a9bedc778007fd2377d801012c8b8245b51b1cf6e00b3dbeb28c7188235e2127d3960c0c328c07c0db561c35de

Download Submit
C:\Users\Admin\AppData\Local\Temp\install.exe

Filesize
40KB

MD5
932c1880583abdef7770c2231d85c8a6

SHA1
0eba6ec240dd5ecba997fc9c976838add0a6b6ca

SHA256
6ed6ec3a1b76e94fd9b6033ee37bd04dd5d7c2aa76c4ffde1a66ece01c7e1c45

SHA512
e2f08bd17201cc8bd0050594f35322ca98f5abdff1cce0705b99ae59db8df0dfeabb3585db171da97ac136902fe992e7b1dc55c7edfe111e959a9f8db8cb09f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\loader.exe

Filesize
15KB

MD5
24dbf2aa6fb1f8c0bca36048d9df761a

SHA1
0bd7e8850e7f94cac852640a5590eb914effd1b0

SHA256
a8f5933e0dbea9b6ea39485a3e02ddc6ebab358ae4f34779401c058c45f6367a

SHA512
cfd62d8b267ddbaf0cf70236d90ba54091c8a1e662ab4b88c42848b1483f950b82ca96e6bca2a29f497fa5ab85393f8c6f9d3f70161a0a2ef828da7bb5e3aeab

Download Submit
memory/2616-44-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4148-19-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4148-23-0x0000000000403000-0x0000000000404000-memory.dmp

Filesize
4KB

Download
memory/4148-25-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4148-29-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4148-33-0x0000000000403000-0x0000000000404000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads