7159f2aa251d769718bdc901bdd083a20badb032a5107357926f0ff1198202c1

General

Target

08436f6676abc422689f51243e758df4_JaffaCakes118.exe
Size

302KB
MD5

08436f6676abc422689f51243e758df4
SHA1

5c6b5bf9e1185a75832dc71e6704a1b868475587
SHA256

7159f2aa251d769718bdc901bdd083a20badb032a5107357926f0ff1198202c1
SHA512

c1a8d60a935a21d8843b4fe7f2e1d6818979f351acd7599eef564d7cb21598b33d7952d593965295d700fc28f844e015ad6f360b6bc3e4f6e76f14fc88942016
SSDEEP

6144:UaVxlpvKBjG0CIyB1ZqFmeOcfB3f8D8D0U0zBbFa6b1sN3b13oB6:U2lIBy0U2FmeOcflf8D00VVbFHGy6

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5092	Ati2evxx.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5012-0-0x0000000000400000-0x00000000004E2000-memory.dmp	upx
behavioral2/memory/5012-2-0x0000000000400000-0x00000000004E2000-memory.dmp	upx
behavioral2/files/0x00070000000236d2-9.dat	upx
behavioral2/memory/5012-10-0x0000000000400000-0x00000000004E2000-memory.dmp	upx
behavioral2/memory/5092-13-0x0000000000400000-0x00000000004E2000-memory.dmp	upx
behavioral2/memory/5012-17-0x0000000000400000-0x00000000004E2000-memory.dmp	upx
behavioral2/memory/5092-19-0x0000000000400000-0x00000000004E2000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Ati2evxx.exe	08436f6676abc422689f51243e758df4_JaffaCakes118.exe
File opened for modification	C:\Windows\Ati2evxx.exe	08436f6676abc422689f51243e758df4_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3480	5092	WerFault.exe	93

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	08436f6676abc422689f51243e758df4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ati2evxx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 404	5012	08436f6676abc422689f51243e758df4_JaffaCakes118.exe	97
PID 5012 wrote to memory of 404	5012	08436f6676abc422689f51243e758df4_JaffaCakes118.exe	97
PID 5012 wrote to memory of 404	5012	08436f6676abc422689f51243e758df4_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\08436f6676abc422689f51243e758df4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\08436f6676abc422689f51243e758df4_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5012
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\6123.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:404

C:\Windows\Ati2evxx.exe
C:\Windows\Ati2evxx.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5092
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 604
  2⤵
  - Program crash
  PID:3480

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4324,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=3880 /prefetch:8
1⤵
PID:5068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5092 -ip 5092
1⤵
PID:1600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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:\Users\Admin\AppData\Local\Temp\6123.bat

Filesize
226B

MD5
d69abcf7fbe6161f0925ae611d3886da

SHA1
828f0461b381c1cea5c0c6bfb7d6e6fa3bc33f87

SHA256
2410ade112c114cf2442c6383f43580fc1f513cfc24458b92be4834f85412757

SHA512
3729f693abaf9aa9911217018ad17f0144945e475a451852cf0a1fd192d8fd9cf8b1bcef25c4dee81beba05617d0f144ec32201620e796723b87457ea3180d71

Download Submit
C:\Windows\Ati2evxx.exe

Filesize
302KB

MD5
08436f6676abc422689f51243e758df4

SHA1
5c6b5bf9e1185a75832dc71e6704a1b868475587

SHA256
7159f2aa251d769718bdc901bdd083a20badb032a5107357926f0ff1198202c1

SHA512
c1a8d60a935a21d8843b4fe7f2e1d6818979f351acd7599eef564d7cb21598b33d7952d593965295d700fc28f844e015ad6f360b6bc3e4f6e76f14fc88942016

Download Submit
memory/5012-0-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/5012-1-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/5012-2-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/5012-3-0x00000000024B0000-0x00000000024B1000-memory.dmp

Filesize
4KB

Download
memory/5012-10-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/5012-12-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/5012-17-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/5092-13-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/5092-14-0x0000000000F10000-0x0000000000F11000-memory.dmp

Filesize
4KB

Download
memory/5092-19-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download

Analysis

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