f2da7c18ba3e8ebc4b25bad6bc500aaa7a1afdd3921284d17865771576edca01

General

Target

bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe
Size

396KB
MD5

bac15e06496f8415d683121eb39361ff
SHA1

88bbf0e8c6ee97f35225a103a60e81d63472c8e1
SHA256

f2da7c18ba3e8ebc4b25bad6bc500aaa7a1afdd3921284d17865771576edca01
SHA512

850d1a4d0b3eef6569eeddc95b4c5cb1a6671427724e7b7ed268e3bc23c0375f87c41d059bd27b67581c9c3452703298243bd3537dedbe146cc10a2bd46a58bb
SSDEEP

12288:kVaauWatLv/kjWaesK3YSYJmlzFZ3IHmMr:k03DkjtLS5hVq

Score

7^/10

defense_evasion 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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
228	ckxwbfwsxtpa.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3716 set thread context of 1132	3716	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	98

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\ckxwbfwsxtpa.exe	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe
File opened for modification	C:\Windows\ckxwbfwsxtpa.exe	bac15e06496f8415d683121eb39361ff_JaffaCakes118.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 4 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	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ckxwbfwsxtpa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1132	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3716 wrote to memory of 1132	3716	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	98
PID 3716 wrote to memory of 1132	3716	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	98
PID 3716 wrote to memory of 1132	3716	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	98
PID 3716 wrote to memory of 1132	3716	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	98
PID 3716 wrote to memory of 1132	3716	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	98
PID 3716 wrote to memory of 1132	3716	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	98
PID 3716 wrote to memory of 1132	3716	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	98
PID 3716 wrote to memory of 1132	3716	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	98
PID 3716 wrote to memory of 1132	3716	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	98
PID 3716 wrote to memory of 1132	3716	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	98
PID 1132 wrote to memory of 228	1132	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	99
PID 1132 wrote to memory of 228	1132	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	99
PID 1132 wrote to memory of 228	1132	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	99
PID 1132 wrote to memory of 3056	1132	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	100
PID 1132 wrote to memory of 3056	1132	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	100
PID 1132 wrote to memory of 3056	1132	bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe	100

C:\Users\Admin\AppData\Local\Temp\bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3716
- C:\Users\Admin\AppData\Local\Temp\bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\bac15e06496f8415d683121eb39361ff_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1132
- - C:\Windows\ckxwbfwsxtpa.exe
    C:\Windows\ckxwbfwsxtpa.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:228
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\BAC15E~1.EXE
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

1

T1070.004

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

Replay Monitor

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Downloads

C:\Windows\ckxwbfwsxtpa.exe

Filesize
396KB

MD5
bac15e06496f8415d683121eb39361ff

SHA1
88bbf0e8c6ee97f35225a103a60e81d63472c8e1

SHA256
f2da7c18ba3e8ebc4b25bad6bc500aaa7a1afdd3921284d17865771576edca01

SHA512
850d1a4d0b3eef6569eeddc95b4c5cb1a6671427724e7b7ed268e3bc23c0375f87c41d059bd27b67581c9c3452703298243bd3537dedbe146cc10a2bd46a58bb

Download Submit
memory/228-12-0x0000000000400000-0x00000000006F4000-memory.dmp

Filesize
3.0MB

Download
memory/1132-2-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1132-3-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1132-5-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1132-6-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1132-13-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/3716-0-0x0000000000C20000-0x0000000000C23000-memory.dmp

Filesize
12KB

Download
memory/3716-1-0x0000000000C20000-0x0000000000C23000-memory.dmp

Filesize
12KB

Download
memory/3716-4-0x0000000000C20000-0x0000000000C23000-memory.dmp

Filesize
12KB

Download

Analysis

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