8065051786f700aabd7998b1960160970c1d9794c332ecf353fb1e03e18b4805

General

Target

9717b585ab28d053de361f5129468c83_JaffaCakes118.exe
Size

94KB
MD5

9717b585ab28d053de361f5129468c83
SHA1

17e88e5711a76ea3db41b120817a8e3aff952b0f
SHA256

8065051786f700aabd7998b1960160970c1d9794c332ecf353fb1e03e18b4805
SHA512

887a89267070178a5010d992a42034d5d41d60f79642dbda50fdcf0b0763589d43b2d8fd04254159428b976f37a18d5fa9ef27d5feb1a8766062733e10d7a42f
SSDEEP

1536:3YTKkIsmW36qtqitZnz/I5AoLZzQuOQD6MCDkZI/6kmqRwTqWAKjfRBiG:3YTKkIsmW36qtqGnz/wrLZsuOjnAZIi/

Score

7^/10

credential_access discovery spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2880	servrr.exe
2572	servrr.exe
2592	svchost.exe

Loads dropped DLL 3 IoCs

pid	Process
2880	servrr.exe
2572	servrr.exe
2572	servrr.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x001a000000016c80-7.dat	upx
behavioral1/memory/2880-8-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/2880-30-0x0000000000400000-0x000000000040C000-memory.dmp	upx

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2880 set thread context of 2572	2880	servrr.exe	32

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 4 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	servrr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	servrr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
484	timeout.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2756	9717b585ab28d053de361f5129468c83_JaffaCakes118.exe
Token: SeSecurityPrivilege	2756	9717b585ab28d053de361f5129468c83_JaffaCakes118.exe
Token: SeSecurityPrivilege	2756	9717b585ab28d053de361f5129468c83_JaffaCakes118.exe
Token: SeSecurityPrivilege	2756	9717b585ab28d053de361f5129468c83_JaffaCakes118.exe
Token: SeSecurityPrivilege	2756	9717b585ab28d053de361f5129468c83_JaffaCakes118.exe
Token: SeSecurityPrivilege	2756	9717b585ab28d053de361f5129468c83_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2880	servrr.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2880	2756	9717b585ab28d053de361f5129468c83_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2880	2756	9717b585ab28d053de361f5129468c83_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2880	2756	9717b585ab28d053de361f5129468c83_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2880	2756	9717b585ab28d053de361f5129468c83_JaffaCakes118.exe	31
PID 2880 wrote to memory of 2572	2880	servrr.exe	32
PID 2880 wrote to memory of 2572	2880	servrr.exe	32
PID 2880 wrote to memory of 2572	2880	servrr.exe	32
PID 2880 wrote to memory of 2572	2880	servrr.exe	32
PID 2880 wrote to memory of 2572	2880	servrr.exe	32
PID 2880 wrote to memory of 2572	2880	servrr.exe	32
PID 2880 wrote to memory of 2572	2880	servrr.exe	32
PID 2880 wrote to memory of 2572	2880	servrr.exe	32
PID 2880 wrote to memory of 2572	2880	servrr.exe	32
PID 2880 wrote to memory of 2572	2880	servrr.exe	32
PID 2572 wrote to memory of 2592	2572	servrr.exe	33
PID 2572 wrote to memory of 2592	2572	servrr.exe	33
PID 2572 wrote to memory of 2592	2572	servrr.exe	33
PID 2572 wrote to memory of 2592	2572	servrr.exe	33
PID 2572 wrote to memory of 720	2572	servrr.exe	34
PID 2572 wrote to memory of 720	2572	servrr.exe	34
PID 2572 wrote to memory of 720	2572	servrr.exe	34
PID 2572 wrote to memory of 720	2572	servrr.exe	34
PID 720 wrote to memory of 484	720	cmd.exe	36
PID 720 wrote to memory of 484	720	cmd.exe	36
PID 720 wrote to memory of 484	720	cmd.exe	36
PID 720 wrote to memory of 484	720	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\9717b585ab28d053de361f5129468c83_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9717b585ab28d053de361f5129468c83_JaffaCakes118.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2756
- C:\ProgramData\servrr\servrr.exe
  C:\ProgramData\servrr\servrr.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2880
- - C:\ProgramData\servrr\servrr.exe
    "C:\ProgramData\servrr\servrr.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2572
  - - C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      4⤵
      Executes dropped EXE
      PID:2592
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 5 && del C:\PROGRA~3\servrr\servrr.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:720
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout 5
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\servrr\servrr.exe

Filesize
39KB

MD5
1094ed296086c5bf5b0e32583fcbdd7c

SHA1
dff26d3b1ebbd40fd7f35e387aa6bab08b1cd6c8

SHA256
7c40be5bbbfad31dfb32136c7e379d94ef79da77982c066f552d24983484798f

SHA512
743a23b3a8fd5d3d4c8d41dccbbbc216881052be0be728f88b5841da7638e89a8814d375eb9798cecd015e6c6e4ee6389493d134ed08e42cdda1b9076a3824d0

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
6KB

MD5
97bdfb0f7311948f5dff06c9a414ca09

SHA1
1829bc058b5ac08c7a9d5a957d433f450489a0ff

SHA256
5270f10d29847ce0e67a7213d2e37eb34e99a805bf9b8eaa1f57e15933563248

SHA512
4ad58fd567014de33b6f4258a2f4cd069d7129c2b70636235d5ff8829a552f4ba9675fa84bd57bcbb12772ea47e26fcfa235ec8598e13c1f38d1270d68821fdf

Download Submit
memory/2572-20-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2572-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-14-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2572-18-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2572-26-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2572-31-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2572-45-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2572-16-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2572-33-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2572-22-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2756-1-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp

Filesize
9.6MB

Download
memory/2756-2-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp

Filesize
9.6MB

Download
memory/2756-0-0x000007FEF5D1E000-0x000007FEF5D1F000-memory.dmp

Filesize
4KB

Download
memory/2756-34-0x000007FEF5A60000-0x000007FEF63FD000-memory.dmp

Filesize
9.6MB

Download
memory/2880-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2880-30-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

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