c43c2d31ea71c92ec6d34035380d812fcee17609862d2b27b593a97a6de92fdc

General

Target

eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe
Size

37KB
MD5

eb1a6c8a847dac1349022011fb7ad5b4
SHA1

541b65d816ee1edcd85c07c860c1e3d1adeb96de
SHA256

c43c2d31ea71c92ec6d34035380d812fcee17609862d2b27b593a97a6de92fdc
SHA512

6ee2795e1e7b078c51ba26a4f03db56d269fdd0a4ef98ad9cb5b135a953caeb20139745f931bc9a2a5e7a1b27e87fb09786b9ea160f2babfc532bf4dc8e4b10a
SSDEEP

768:ioJD4TgEj+7QtDHiOm5i3OYr4Y39CdjvKwSVsRC86at3wgdrfgWP3nt7MAhxL/MG:9JET/j+k7iO4iX4EejwVNls1Cc3p3h/x

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
924	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1632	cItWJ8oi.exe

Loads dropped DLL 2 IoCs

pid	Process
2656	eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe
2656	eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2656-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2656-1-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2656-6-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/files/0x0009000000012255-16.dat	upx
behavioral1/memory/2656-13-0x0000000002BB0000-0x0000000002BC8000-memory.dmp	upx
behavioral1/memory/1632-21-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/1632-27-0x0000000000400000-0x0000000000418000-memory.dmp	upx

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

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\cItWJ8oi.exe	eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\cItWJ8oi.exe.a_a	cItWJ8oi.exe
File created	C:\Windows\SysWOW64\cItWJ8oi.exe	eb1a6c8a847dac1349022011fb7ad5b4_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 3 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	eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cItWJ8oi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2656	eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 1632	2656	eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe	31
PID 2656 wrote to memory of 1632	2656	eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe	31
PID 2656 wrote to memory of 1632	2656	eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe	31
PID 2656 wrote to memory of 1632	2656	eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe	31
PID 2656 wrote to memory of 924	2656	eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe	32
PID 2656 wrote to memory of 924	2656	eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe	32
PID 2656 wrote to memory of 924	2656	eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe	32
PID 2656 wrote to memory of 924	2656	eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb1a6c8a847dac1349022011fb7ad5b4_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Windows\SysWOW64\cItWJ8oi.exe
  "C:\Windows\system32\cItWJ8oi.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:1632
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\EB1A6C~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:924

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

System Information Discovery

1

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\SysWOW64\cItWJ8oi.exe

Filesize
37KB

MD5
eb1a6c8a847dac1349022011fb7ad5b4

SHA1
541b65d816ee1edcd85c07c860c1e3d1adeb96de

SHA256
c43c2d31ea71c92ec6d34035380d812fcee17609862d2b27b593a97a6de92fdc

SHA512
6ee2795e1e7b078c51ba26a4f03db56d269fdd0a4ef98ad9cb5b135a953caeb20139745f931bc9a2a5e7a1b27e87fb09786b9ea160f2babfc532bf4dc8e4b10a

Download Submit
memory/1632-21-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1632-27-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2656-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2656-1-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2656-6-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2656-19-0x0000000002BB0000-0x0000000002BC8000-memory.dmp

Filesize
96KB

Download
memory/2656-13-0x0000000002BB0000-0x0000000002BC8000-memory.dmp

Filesize
96KB

Download

Analysis

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