32310f8497cc7ea01a3f0e0d1e9003a909266af44c21a25e5679ae7b4e930aac

General

Target

83b744fff7a7a6794ab64e9bfc92fbf1_JaffaCakes118.exe
Size

506KB
MD5

83b744fff7a7a6794ab64e9bfc92fbf1
SHA1

5dfc766f49f300e8a54f9637202d04bf0258ee07
SHA256

32310f8497cc7ea01a3f0e0d1e9003a909266af44c21a25e5679ae7b4e930aac
SHA512

569926f09094b7f54d8561593bf7c483196db1b7ec56f0fcadf3da3e07499acf3e93aa24b7b2eb02e5884beb3d593af2d90f13d8a297ad4dc5b2cf01173a4971
SSDEEP

6144:nrCtWgCKtYlCKepTrPj/47maIowyzAtnlGszEmAIto95w1NVdUlDdv3ferQPuVEm:nr1g3tYQhdy0olz2GsCv9PtfecPuo+n

Score

7^/10

discovery upx

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	83b744fff7a7a6794ab64e9bfc92fbf1_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4172	µØÏÂ³ÇÓëÓÂÊ¿_2019.exe
1448	Á¬·¢³ÌÐò.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023451-5.dat	upx
behavioral2/memory/4172-11-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/4172-23-0x0000000000400000-0x0000000000413000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2812	4172	WerFault.exe	84

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	83b744fff7a7a6794ab64e9bfc92fbf1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	µØÏÂ³ÇÓëÓÂÊ¿_2019.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Á¬·¢³ÌÐò.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1448	Á¬·¢³ÌÐò.exe
1448	Á¬·¢³ÌÐò.exe
1448	Á¬·¢³ÌÐò.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1448	Á¬·¢³ÌÐò.exe
1448	Á¬·¢³ÌÐò.exe
1448	Á¬·¢³ÌÐò.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1448	Á¬·¢³ÌÐò.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 404 wrote to memory of 4172	404	83b744fff7a7a6794ab64e9bfc92fbf1_JaffaCakes118.exe	84
PID 404 wrote to memory of 4172	404	83b744fff7a7a6794ab64e9bfc92fbf1_JaffaCakes118.exe	84
PID 404 wrote to memory of 4172	404	83b744fff7a7a6794ab64e9bfc92fbf1_JaffaCakes118.exe	84
PID 404 wrote to memory of 1448	404	83b744fff7a7a6794ab64e9bfc92fbf1_JaffaCakes118.exe	87
PID 404 wrote to memory of 1448	404	83b744fff7a7a6794ab64e9bfc92fbf1_JaffaCakes118.exe	87
PID 404 wrote to memory of 1448	404	83b744fff7a7a6794ab64e9bfc92fbf1_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\83b744fff7a7a6794ab64e9bfc92fbf1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\83b744fff7a7a6794ab64e9bfc92fbf1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:404
- C:\Users\Admin\AppData\Local\Temp\µØÏÂ³ÇÓëÓÂÊ¿_2019.exe
  "C:\Users\Admin\AppData\Local\Temp\µØÏÂ³ÇÓëÓÂÊ¿_2019.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4172 -s 292
    3⤵
    - Program crash
    PID:2812
- C:\Users\Admin\AppData\Local\Temp\Á¬·¢³ÌÐò.exe
  "C:\Users\Admin\AppData\Local\Temp\Á¬·¢³ÌÐò.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:1448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4172 -ip 4172
1⤵
PID:932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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:\Users\Admin\AppData\Local\Temp\µØÏÂ³ÇÓëÓÂÊ¿_2019.exe

Filesize
28KB

MD5
c451c4246bd99194696269fd025def92

SHA1
967643ae1b29ac353094d2f481cfc0a1b43bfcad

SHA256
6fc79b459310675e0f130eb0ff30ddae3c57e3ef13130e02709f93c0ce0a34f7

SHA512
b291165cda34bc11fc68ae2149776848f291ab1c48797633b2afff14b9b818c5567e0aa3a0ef189fe9de38d6c01dda015938f401e2a6f554710748cff3a74210

Download Submit
C:\Users\Admin\AppData\Local\Temp\Á¬·¢³ÌÐò.exe

Filesize
440KB

MD5
faf7406d995c71dedb4bf826fa4222d2

SHA1
2417f848e5c2def1a5d9135b5267c71145611dda

SHA256
3b20513a150afbf53735bbaabebb0d7426adef6f174eb56d0fff135e285a3915

SHA512
e066ccbb3519a0937ed297f9b9c9eb97cb91c9081686fdfdff04d6d42509b1615942d36d3c268a0d154ce1f66b2c4f107063c07087f570f81af8f4aed22ccbd4

Download Submit
memory/404-0-0x0000000000400000-0x000000000048035C-memory.dmp

Filesize
512KB

Download
memory/404-21-0x0000000000400000-0x000000000048035C-memory.dmp

Filesize
512KB

Download
memory/4172-11-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4172-23-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

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