cde91d171e1c6cebe9d5ad63542e5b9b7c959c871c208ef83e5131d37a643df9

General

Target

3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe
Size

842KB
MD5

3bf99fc76e67c7fdea6616635c1f5f9a
SHA1

cfa74f35f4a0bbc309ad52080c519d6b9a50d0ea
SHA256

cde91d171e1c6cebe9d5ad63542e5b9b7c959c871c208ef83e5131d37a643df9
SHA512

1b610dbec66c5d15342ec8b82316e915d7124281e92cf93a6152fd5ecf46079d62e4db4b9eeca6df048ce7794a0270adbcb18b1a686aa507126cc21106d50605
SSDEEP

24576:DXjQQa7TZ+VuSNym8i0kjyxbPjAA4XdYgqD:DXjxaQH0kexPAA4XdYgW

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\TXP1atform.exe	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\drivers\TXP1atform.exe	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1688	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1384	TXP1atform.exe
2668	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe

Loads dropped DLL 4 IoCs

pid	Process
2320	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe
2320	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe
1688	cmd.exe
2668	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2320-0-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/files/0x00080000000162e3-11.dat	upx
behavioral1/memory/2320-16-0x0000000000270000-0x00000000002BD000-memory.dmp	upx
behavioral1/memory/1384-20-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2320-23-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1384-22-0x0000000000400000-0x000000000044D000-memory.dmp	upx

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	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2320	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe
1384	TXP1atform.exe
1384	TXP1atform.exe
1384	TXP1atform.exe
1384	TXP1atform.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 1688	2320	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe	29
PID 2320 wrote to memory of 1688	2320	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe	29
PID 2320 wrote to memory of 1688	2320	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe	29
PID 2320 wrote to memory of 1688	2320	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe	29
PID 2320 wrote to memory of 1384	2320	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe	31
PID 2320 wrote to memory of 1384	2320	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe	31
PID 2320 wrote to memory of 1384	2320	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe	31
PID 2320 wrote to memory of 1384	2320	3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe	31
PID 1688 wrote to memory of 2668	1688	cmd.exe	32
PID 1688 wrote to memory of 2668	1688	cmd.exe	32
PID 1688 wrote to memory of 2668	1688	cmd.exe	32
PID 1688 wrote to memory of 2668	1688	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\27$$.bat
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Users\Admin\AppData\Local\Temp\3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2668
- C:\Windows\SysWOW64\drivers\TXP1atform.exe
  C:\Windows\system32\drivers\TXP1atform.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:1384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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:\Users\Admin\AppData\Local\Temp\27$$.bat

Filesize
569B

MD5
251cf768ac847b698482cfc9cbcd46c7

SHA1
00acc8e356a75f9341621822a21a299f70a4e59b

SHA256
7b5efb9228f655f1c31fe6c095db1f653307e4cc793803588cc36ffc1ee9eca9

SHA512
2a2c41508c627a6e7164db3b10c4ff81a5e7f3ae8a935c4192d0e93472e522ab31b5bc0dc1c9626620f3cb3dc4fba236ff65bc25d969529ec27e7f7092370e88

Download Submit
C:\Users\Admin\AppData\Local\Temp\3bf99fc76e67c7fdea6616635c1f5f9a_JaffaCakes118.exe.exe

Filesize
539KB

MD5
aa73b17dc72bc890c2a8b410098ff7ea

SHA1
67acf6d0be38546bf1049666bd069b55da2b068d

SHA256
0e6712a387a2b1d1155f9ee95c11f3c1a4ca7c22703d55c2262bbde2e7cc84ae

SHA512
88de5b2bcf54c4848c6dc2425d9852093e1c1f1f9168f2bfc66dac4366a592516cde419b001a3261129b82af2611bd967a8a5dcb67e22f8c0797c033584ca1ed

Download Submit
\Users\Admin\AppData\Local\Temp\nsuAA35.tmp\System.dll

Filesize
9KB

MD5
ae182dc797cd9ad2c025066692fc041b

SHA1
7ee5f057be9febfa77f698a1b12213a5bbdd4742

SHA256
b214f6d6c4d27f749105f7e8846a7c2d475dbcc966876370b5a7dab6e4b8a471

SHA512
2a9a200d067df47638a86f4f058c6d78fb59bd064c65650cae5022a62a3714e33f93f6af1dd599fda180d5af18f432835a1f909807f4fb459aa9d6c24e3fbab7

Download Submit
\Windows\SysWOW64\drivers\TXP1atform.exe

Filesize
303KB

MD5
676f47ae676fba78df971ed4dbbe0785

SHA1
8f4f1a372ffdf8b2ed1075b0d10aa18e65cbacb7

SHA256
d74d3275156db9f140c96cae0bca2006b9777ce5a0baf5c8b5123523b235dd0a

SHA512
a479f92d25d360c40f8496420890a99ed724890466e671d863416831de1907c09bcf9d66b7fcb29389487294d6566a99e9b0d4df3905a80783caae06bd535704

Download Submit
memory/1384-20-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1384-22-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2320-0-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2320-16-0x0000000000270000-0x00000000002BD000-memory.dmp

Filesize
308KB

Download
memory/2320-19-0x0000000000270000-0x00000000002BD000-memory.dmp

Filesize
308KB

Download
memory/2320-23-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

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