21a88c8052866336ad4d2e76e96cf1b9f9bbff300f0fefa26ccb9858b38743e8

General

Target

3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe
Size

260KB
MD5

3daca36550fd85306770e889a9d4d116
SHA1

0e1a9693d795a086d16a748bf56fae378a1dbc71
SHA256

21a88c8052866336ad4d2e76e96cf1b9f9bbff300f0fefa26ccb9858b38743e8
SHA512

f3586132ba74aeb5b4060e12fb4840c59ac869fb5dab28be50032242ac9689597c9437d76cdb32f268394b898fc9e355b54e236a7597880021e2b390336aa6de
SSDEEP

6144:hG5tC/XKOWN5osp7Pbk0YscXyLzGoB/Ml+1hO4qUsKpC:kYvK95osZfcecYR

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\32ed4225\\X"	Explorer.EXE

Deletes itself 1 IoCs

pid	Process
2568	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
332	csrss.exe
2776	X

Loads dropped DLL 2 IoCs

pid	Process
2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe
2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe

Unexpected DNS network traffic destination 5 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	69.64.52.10
Destination IP	69.64.52.10
Destination IP	69.64.52.10
Destination IP	69.64.52.10
Destination IP	69.64.52.10

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2084 set thread context of 2568	2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe	31

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\registry\machine\Software\Classes\Interface\{21240613-e5f7-3097-7118-07a5e49ca0cc}	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21240613-e5f7-3097-7118-07a5e49ca0cc}\u = "71"	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21240613-e5f7-3097-7118-07a5e49ca0cc}\cid = "10487411356648946415"	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe
2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe
2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe
2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe
2776	X

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe
Token: SeDebugPrivilege	2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
332	csrss.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 1204	2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe	21
PID 2084 wrote to memory of 332	2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe	2
PID 2084 wrote to memory of 2776	2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe	30
PID 2084 wrote to memory of 2776	2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe	30
PID 2084 wrote to memory of 2776	2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe	30
PID 2084 wrote to memory of 2776	2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe	30
PID 2776 wrote to memory of 1204	2776	X	21
PID 2084 wrote to memory of 2568	2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe	31
PID 2084 wrote to memory of 2568	2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe	31
PID 2084 wrote to memory of 2568	2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe	31
PID 2084 wrote to memory of 2568	2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe	31
PID 2084 wrote to memory of 2568	2084	3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe	31

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:332

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies WinLogon for persistence
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204
- C:\Users\Admin\AppData\Local\Temp\3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\3daca36550fd85306770e889a9d4d116_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Users\Admin\AppData\Local\32ed4225\X
    *0*47*6e753aef*69.64.52.10:53
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2776
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:2568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\32ed4225\X

Filesize
38KB

MD5
72de2dadaf875e2fd7614e100419033c

SHA1
5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

SHA256
c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

SHA512
e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

Download Submit
\Windows\System32\consrv.dll

Filesize
29KB

MD5
1149c1bd71248a9d170e4568fb08df30

SHA1
6f77f183d65709901f476c5d6eebaed060a495f9

SHA256
c2dcf387cb4d218f50463338291e7db38afbdab9aab88fc54e7f9283df1792d1

SHA512
9e6eac8facb23b38552d37c9f3cb24098f871d2885ecb3630fcd0199c5600b12a42f095f9fbeb90e5632496491d46fd987660cdda695e92dc386bd482d3ff459

Download Submit
\systemroot\assembly\tmp\{1B372133-BFFA-4dba-9CCF-5474BED6A9F6}

Filesize
2KB

MD5
4b177507b5f67b6611d01adea547f5d9

SHA1
e3869f10871c4515c9aef4d7f852464bae927ce4

SHA256
eef945f05c508522a75e5655c410b8bd82e82e297b6f41b524e73e336d271f16

SHA512
42f0e265f51fe11faa0354e5a86557ce62bccd7c1fe9c93afc6e586510d46b0e07180b3489306d488a2cd4c9409d154b1772c1aaafd6c9d5e3c78d3c304fc7da

Download Submit
memory/332-16-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download
memory/332-27-0x0000000000AD0000-0x0000000000ADB000-memory.dmp

Filesize
44KB

Download
memory/332-19-0x0000000000AD0000-0x0000000000ADB000-memory.dmp

Filesize
44KB

Download
memory/1204-3-0x0000000002720000-0x0000000002726000-memory.dmp

Filesize
24KB

Download
memory/1204-38-0x0000000002720000-0x0000000002728000-memory.dmp

Filesize
32KB

Download
memory/1204-7-0x0000000002720000-0x0000000002726000-memory.dmp

Filesize
24KB

Download
memory/1204-11-0x0000000002720000-0x0000000002726000-memory.dmp

Filesize
24KB

Download
memory/1204-12-0x0000000002710000-0x0000000002712000-memory.dmp

Filesize
8KB

Download
memory/1204-28-0x0000000002A80000-0x0000000002A8B000-memory.dmp

Filesize
44KB

Download
memory/1204-36-0x0000000002A80000-0x0000000002A8B000-memory.dmp

Filesize
44KB

Download
memory/1204-37-0x0000000002A90000-0x0000000002A9B000-memory.dmp

Filesize
44KB

Download
memory/1204-39-0x0000000002A90000-0x0000000002A9B000-memory.dmp

Filesize
44KB

Download
memory/1204-45-0x0000000002720000-0x0000000002728000-memory.dmp

Filesize
32KB

Download
memory/1204-32-0x0000000002A80000-0x0000000002A8B000-memory.dmp

Filesize
44KB

Download
memory/2084-40-0x0000000030670000-0x00000000306BC000-memory.dmp

Filesize
304KB

Download
memory/2084-41-0x0000000030670000-0x00000000306A7000-memory.dmp

Filesize
220KB

Download
memory/2084-43-0x0000000030670000-0x00000000306A7000-memory.dmp

Filesize
220KB

Download
memory/2084-44-0x0000000030670000-0x00000000306BC000-memory.dmp

Filesize
304KB

Download
memory/2084-2-0x0000000030670000-0x00000000306BC000-memory.dmp

Filesize
304KB

Download
memory/2084-1-0x0000000030670000-0x00000000306A7000-memory.dmp

Filesize
220KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads