160d68f65b5ab4690993398f63a3407d113f5ce70e35aee6a44e1b36b637047c

General

Target

4bdef79bc1f1709049f3f4e1aefa9d3a_JaffaCakes118.exe
Size

17KB
MD5

4bdef79bc1f1709049f3f4e1aefa9d3a
SHA1

1f923501094b234ef59596adab187874f734e882
SHA256

160d68f65b5ab4690993398f63a3407d113f5ce70e35aee6a44e1b36b637047c
SHA512

30a210ba33ef4eb6bc32cb50d93d2b46376d90b0ff90cebfa00873721e6fe45efdc7f576af18e7c1d57d3032006d3e5ddc59df62fa9020fe19e1201c9a8e07c9
SSDEEP

384:Ny+26QIVmapXo0rridertW0w0PBVrivaa2zFAVhh:NLFQI/YirCkwGV2yFzFi

Score

7^/10

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-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	4bdef79bc1f1709049f3f4e1aefa9d3a_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4848	utorrent.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\utorrent.exe	4bdef79bc1f1709049f3f4e1aefa9d3a_JaffaCakes118.exe
File opened for modification	C:\Windows\utorrent.exe	4bdef79bc1f1709049f3f4e1aefa9d3a_JaffaCakes118.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	utorrent.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	utorrent.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	utorrent.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	utorrent.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	utorrent.exe

Runs net.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 1496	3520	4bdef79bc1f1709049f3f4e1aefa9d3a_JaffaCakes118.exe	86
PID 3520 wrote to memory of 1496	3520	4bdef79bc1f1709049f3f4e1aefa9d3a_JaffaCakes118.exe	86
PID 3520 wrote to memory of 1496	3520	4bdef79bc1f1709049f3f4e1aefa9d3a_JaffaCakes118.exe	86
PID 1496 wrote to memory of 4720	1496	cmd.exe	89
PID 1496 wrote to memory of 4720	1496	cmd.exe	89
PID 1496 wrote to memory of 4720	1496	cmd.exe	89
PID 4720 wrote to memory of 4572	4720	net.exe	90
PID 4720 wrote to memory of 4572	4720	net.exe	90
PID 4720 wrote to memory of 4572	4720	net.exe	90
PID 1496 wrote to memory of 4536	1496	cmd.exe	91
PID 1496 wrote to memory of 4536	1496	cmd.exe	91
PID 1496 wrote to memory of 4536	1496	cmd.exe	91
PID 4536 wrote to memory of 3800	4536	net.exe	92
PID 4536 wrote to memory of 3800	4536	net.exe	92
PID 4536 wrote to memory of 3800	4536	net.exe	92
PID 4848 wrote to memory of 1776	4848	utorrent.exe	93
PID 4848 wrote to memory of 1776	4848	utorrent.exe	93
PID 4848 wrote to memory of 1776	4848	utorrent.exe	93

C:\Users\Admin\AppData\Local\Temp\4bdef79bc1f1709049f3f4e1aefa9d3a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4bdef79bc1f1709049f3f4e1aefa9d3a_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\a.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1496
- - C:\Windows\SysWOW64\net.exe
    net stop "Security Center"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4720
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop "Security Center"
      4⤵
      PID:4572
- - C:\Windows\SysWOW64\net.exe
    net stop winvnc4
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4536
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop winvnc4
      4⤵
      PID:3800

C:\Windows\utorrent.exe
"C:\Windows\utorrent.exe"
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:4848
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\a.bat" "
  2⤵
  PID:1776

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\utorrent.exe

Filesize
17KB

MD5
4bdef79bc1f1709049f3f4e1aefa9d3a

SHA1
1f923501094b234ef59596adab187874f734e882

SHA256
160d68f65b5ab4690993398f63a3407d113f5ce70e35aee6a44e1b36b637047c

SHA512
30a210ba33ef4eb6bc32cb50d93d2b46376d90b0ff90cebfa00873721e6fe45efdc7f576af18e7c1d57d3032006d3e5ddc59df62fa9020fe19e1201c9a8e07c9

Download Submit
C:\a.bat

Filesize
71B

MD5
4db2c561024318efaf926a8e0a6ebc36

SHA1
8e3060152b239e7c7bc488e79030b9e3c13de066

SHA256
f9ea85780a059d9338c359925ec487588102ef55be4062ec4ac19efc8af59f0f

SHA512
df700bc9348e147ceb1db687974c567fdff052d73eb4709b718f3b3dfaf44116a5a70c0ae62438416888c0783a575e524f501da1308bbc987443ec3c852bef99

Download Submit
memory/3520-10-0x0000000000400000-0x000000000094F71D-memory.dmp

Filesize
5.3MB

Download
memory/4848-11-0x0000000000400000-0x000000000094F71D-memory.dmp

Filesize
5.3MB

Download
memory/4848-13-0x0000000000400000-0x000000000094F71D-memory.dmp

Filesize
5.3MB

Download
memory/4848-16-0x0000000000400000-0x000000000094F71D-memory.dmp

Filesize
5.3MB

Download
memory/4848-19-0x0000000000400000-0x000000000094F71D-memory.dmp

Filesize
5.3MB

Download
memory/4848-22-0x0000000000400000-0x000000000094F71D-memory.dmp

Filesize
5.3MB

Download
memory/4848-24-0x0000000000400000-0x000000000094F71D-memory.dmp

Filesize
5.3MB

Download

Analysis

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