7b39735eab37ce2c500e6d5c875741995688ccdfe94fdcf020d8ecf28bf5e749

General

Target

f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe
Size

97KB
MD5

f753e71596e634cd0e7b2a8c4a4de154
SHA1

2bd42f05e910133a69a81bc789190a77b0010069
SHA256

7b39735eab37ce2c500e6d5c875741995688ccdfe94fdcf020d8ecf28bf5e749
SHA512

eace9d5c36316ae15333560c0dff5d12afde984665f19307ed20696f506226692520259a11740001703a9317519eda256829e1f0ff031aa408e227387a09f907
SSDEEP

1536:rvbeN7i4ri12Lstf4LS/p4Yc8p/5C5wown6g6Syu7TYWZKMoF:rSlfScLw4Ns/4OaTugXF

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 3 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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	windows-krb.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	cu.exe

Executes dropped EXE 2 IoCs

pid	Process
4100	cu.exe
3432	windows-krb.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Data Serivce = "windows-krb.exe"	cu.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\windows-krb.exe	cu.exe
File opened for modification	C:\Windows\windows-krb.exe	cu.exe

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

System Information Discovery
T1082

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	cu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windows-krb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3352	f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 4100	3352	f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe	82
PID 3352 wrote to memory of 4100	3352	f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe	82
PID 3352 wrote to memory of 4100	3352	f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe	82
PID 4100 wrote to memory of 2436	4100	cu.exe	83
PID 4100 wrote to memory of 2436	4100	cu.exe	83
PID 4100 wrote to memory of 2436	4100	cu.exe	83
PID 4100 wrote to memory of 3432	4100	cu.exe	85
PID 4100 wrote to memory of 3432	4100	cu.exe	85
PID 4100 wrote to memory of 3432	4100	cu.exe	85
PID 2436 wrote to memory of 2720	2436	cmd.exe	86
PID 2436 wrote to memory of 2720	2436	cmd.exe	86
PID 2436 wrote to memory of 2720	2436	cmd.exe	86
PID 2720 wrote to memory of 4040	2720	net.exe	87
PID 2720 wrote to memory of 4040	2720	net.exe	87
PID 2720 wrote to memory of 4040	2720	net.exe	87

C:\Users\Admin\AppData\Local\Temp\f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f753e71596e634cd0e7b2a8c4a4de154_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3352
- C:\Users\Admin\AppData\Local\Temp\cu.exe
  "C:\Users\Admin\AppData\Local\Temp\cu.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4100
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\x.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2436
  - - C:\Windows\SysWOW64\net.exe
      net stop "Security Center"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2720
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop "Security Center"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4040
- - C:\Windows\windows-krb.exe
    "C:\Windows\windows-krb.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3432

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

1

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\cu.exe

Filesize
65KB

MD5
e93f56960b4d284089aabf9bef7ed909

SHA1
ccd8774ff3737324343a934fd758e0136ac815d6

SHA256
d4d67f3c5cda0beb05d266e8a7125edb3bc98c17e8cb794c42eb66613aba06ff

SHA512
d009fd8784973002222a971d7463393601db5fb7e115b45b815fefe4e88e1502ef7707a1bcc440e3afee11b937f60de781e5e8a1c9c4fd2d129e6386dffa5f10

Download Submit
C:\x.bat

Filesize
53B

MD5
e6ed7be2b9572503f07663ca6e53759f

SHA1
7ad80bd38f2a27e06c111b551c76ad0a0585c194

SHA256
b1a6c027d18eb5766129a059f68201e6fb8c68d095f3932983009fe5ae2e4df9

SHA512
e0010782b4fe567290536743375112db3107f8390d4c5cbb97f1bf1a8c83825399e1fe2fe9793d351896bb704f3bdec583fa7241b853b136fa9440a927d94227

Download Submit
memory/3352-0-0x00007FF8D5255000-0x00007FF8D5256000-memory.dmp

Filesize
4KB

Download
memory/3352-1-0x000000001B080000-0x000000001B126000-memory.dmp

Filesize
664KB

Download
memory/3352-2-0x00007FF8D4FA0000-0x00007FF8D5941000-memory.dmp

Filesize
9.6MB

Download
memory/3352-3-0x000000001B600000-0x000000001BACE000-memory.dmp

Filesize
4.8MB

Download
memory/3352-4-0x000000001BBF0000-0x000000001BC8C000-memory.dmp

Filesize
624KB

Download
memory/3352-5-0x00007FF8D4FA0000-0x00007FF8D5941000-memory.dmp

Filesize
9.6MB

Download
memory/3352-6-0x0000000000AA0000-0x0000000000AA8000-memory.dmp

Filesize
32KB

Download
memory/3352-7-0x000000001BD50000-0x000000001BD9C000-memory.dmp

Filesize
304KB

Download
memory/3352-17-0x00007FF8D4FA0000-0x00007FF8D5941000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads