12ef14a5a96ec0411bdd008c46377fde3beff99148a7c7d6a3f2750cbf337780

General

Target

3fe380a0f6700f1ad5e771c5ae0523ef_JaffaCakes118.exe
Size

82KB
MD5

3fe380a0f6700f1ad5e771c5ae0523ef
SHA1

d0bb4ec743de0c6f71df9151a5f8e7658e258bdd
SHA256

12ef14a5a96ec0411bdd008c46377fde3beff99148a7c7d6a3f2750cbf337780
SHA512

fc876e53dd42b90533f130750a2b3e5c48fa29991980bac224f1de7b9432bc67754cb11fe40502e45749ae6f9e138654fcdc97330db390eafd62e7de6b26ee8f
SSDEEP

1536:bM4SynmeXwjr4XxuPZOcs1aiL7CDogND+XEjskmK9EVh6:bmumegIas1aMGBD+XEDEVh6

Score

10^/10

collection discovery persistence privilege_escalation

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	mstcpmon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Shell = "{76651348-CF7A-49A8-B2DD-73BBD9D3585A}"	mstcpmon.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	mstcpmon.exe

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

ACProtect 1.3x - 1.4x DLL software 3 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0008000000018f90-19.dat	acprotect
behavioral1/files/0x0029000000018f82-52.dat	acprotect
behavioral1/memory/3052-55-0x0000000010000000-0x000000001000F000-memory.dmp	acprotect

Deletes itself 1 IoCs

pid	Process
3052	mstcpmon.exe

Executes dropped EXE 4 IoCs

pid	Process
3052	mstcpmon.exe
2876	chkdskw.exe
2052	mstcpmon.exe
2720	sfc32.exe

Loads dropped DLL 22 IoCs

pid	Process
2224	3fe380a0f6700f1ad5e771c5ae0523ef_JaffaCakes118.exe
2224	3fe380a0f6700f1ad5e771c5ae0523ef_JaffaCakes118.exe
3052	mstcpmon.exe
3052	mstcpmon.exe
3052	mstcpmon.exe
2876	chkdskw.exe
3052	mstcpmon.exe
3052	mstcpmon.exe
3052	mstcpmon.exe
3052	mstcpmon.exe
2280	WerFault.exe
2280	WerFault.exe
2280	WerFault.exe
2280	WerFault.exe
3052	mstcpmon.exe
3052	mstcpmon.exe
2720	sfc32.exe
1520	WerFault.exe
1520	WerFault.exe
1520	WerFault.exe
1520	WerFault.exe
1520	WerFault.exe

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	sfc32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\mswshell.dll	mstcpmon.exe
File opened for modification	C:\Windows\SysWOW64\itstore.dll	mstcpmon.exe
File opened for modification	\??\c:\windows\SysWOW64\mstcpmon.exe	3fe380a0f6700f1ad5e771c5ae0523ef_JaffaCakes118.exe
File created	\??\c:\windows\SysWOW64\mstcpmon.exe	mstcpmon.exe
File opened for modification	C:\Windows\SysWOW64\mslogon.dll	mstcpmon.exe
File created	C:\Windows\SysWOW64\kårnål32.dll	mstcpmon.exe
File opened for modification	C:\Windows\SysWOW64\kårnål32.dll	mstcpmon.exe
File opened for modification	C:\Windows\SysWOW64\chkdskw.exe	mstcpmon.exe
File opened for modification	C:\Windows\SysWOW64\sfc32.exe	mstcpmon.exe
File created	\??\c:\windows\SysWOW64\mstcpmon.exe	3fe380a0f6700f1ad5e771c5ae0523ef_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\win.ini	mstcpmon.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2280	2052	WerFault.exe	31
1520	3052	WerFault.exe	29

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	mstcpmon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76651348-CF7A-49A8-B2DD-73BBD9D3585A}	mstcpmon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76651348-CF7A-49A8-B2DD-73BBD9D3585A}\InProcServer32\ = "mswshell.dll"	mstcpmon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76651348-CF7A-49A8-B2DD-73BBD9D3585A}\InProcServer32	mstcpmon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	mstcpmon.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3052	mstcpmon.exe
3052	mstcpmon.exe
3052	mstcpmon.exe
3052	mstcpmon.exe
3052	mstcpmon.exe
3052	mstcpmon.exe
3052	mstcpmon.exe
3052	mstcpmon.exe
2720	sfc32.exe
2720	sfc32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	chkdskw.exe
Token: SeDebugPrivilege	3052	mstcpmon.exe
Token: SeDebugPrivilege	3052	mstcpmon.exe
Token: SeDebugPrivilege	3052	mstcpmon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3052	mstcpmon.exe
3052	mstcpmon.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 3052	2224	3fe380a0f6700f1ad5e771c5ae0523ef_JaffaCakes118.exe	29
PID 2224 wrote to memory of 3052	2224	3fe380a0f6700f1ad5e771c5ae0523ef_JaffaCakes118.exe	29
PID 2224 wrote to memory of 3052	2224	3fe380a0f6700f1ad5e771c5ae0523ef_JaffaCakes118.exe	29
PID 2224 wrote to memory of 3052	2224	3fe380a0f6700f1ad5e771c5ae0523ef_JaffaCakes118.exe	29
PID 3052 wrote to memory of 2876	3052	mstcpmon.exe	30
PID 3052 wrote to memory of 2876	3052	mstcpmon.exe	30
PID 3052 wrote to memory of 2876	3052	mstcpmon.exe	30
PID 3052 wrote to memory of 2876	3052	mstcpmon.exe	30
PID 3052 wrote to memory of 2052	3052	mstcpmon.exe	31
PID 3052 wrote to memory of 2052	3052	mstcpmon.exe	31
PID 3052 wrote to memory of 2052	3052	mstcpmon.exe	31
PID 3052 wrote to memory of 2052	3052	mstcpmon.exe	31
PID 2052 wrote to memory of 2280	2052	mstcpmon.exe	32
PID 2052 wrote to memory of 2280	2052	mstcpmon.exe	32
PID 2052 wrote to memory of 2280	2052	mstcpmon.exe	32
PID 2052 wrote to memory of 2280	2052	mstcpmon.exe	32
PID 3052 wrote to memory of 2720	3052	mstcpmon.exe	33
PID 3052 wrote to memory of 2720	3052	mstcpmon.exe	33
PID 3052 wrote to memory of 2720	3052	mstcpmon.exe	33
PID 3052 wrote to memory of 2720	3052	mstcpmon.exe	33
PID 3052 wrote to memory of 1520	3052	mstcpmon.exe	34
PID 3052 wrote to memory of 1520	3052	mstcpmon.exe	34
PID 3052 wrote to memory of 1520	3052	mstcpmon.exe	34
PID 3052 wrote to memory of 1520	3052	mstcpmon.exe	34

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	sfc32.exe

C:\Users\Admin\AppData\Local\Temp\3fe380a0f6700f1ad5e771c5ae0523ef_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3fe380a0f6700f1ad5e771c5ae0523ef_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2224
- \??\c:\windows\SysWOW64\mstcpmon.exe
  c:\windows\system32\mstcpmon.exe c:\users\admin\appdata\local\temp\3fe380a0f6700f1ad5e771c5ae0523ef_jaffacakes118.exe
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Drops file in Drivers directory
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3052
- - \??\c:\windows\SysWOW64\chkdskw.exe
    chkdskw.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    PID:2876
- - C:\Windows\SysWOW64\mstcpmon.exe
    C:\Windows\system32\mstcpmon.exe x
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2052
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 44
      4⤵
      Loads dropped DLL
      Program crash
      PID:2280
- - C:\Windows\SysWOW64\sfc32.exe
    C:\Windows\system32\sfc32.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - outlook_win_path
    PID:2720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 492
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:1520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\win.ini

Filesize
499B

MD5
a47b652d77020cdb16e976a88839ba82

SHA1
82b43d39b6aeeb13fc25df7bd9bae30d5dc8a0bc

SHA256
cfb1988af7ba535bc0908aa420dd412403a8d4d1f207657a5b547576353703c0

SHA512
54b6dc5944d52fc226d3205f95208cc75c6fe755895a25bbaf008a50ad525ee19351c422f2e47af94c9d4e77a882a4a4edc62112538afeafe77df0ad282b48eb

Download Submit
\??\c:\windows\SysWOW64\itstore.dll

Filesize
51KB

MD5
359f9f9dad06d6b41e3ed60ceb64828f

SHA1
01327142cd4271f04fd76fdc98e32ed81be2e53c

SHA256
62062f9ed784d14063ef7efba85a6052aac9824fcb95cc81142184dbd8db9c3d

SHA512
64264a4e48129135b94c6c51f85c1bd56b0f124d83de1edf4e86670d2c428a58c73fc2d7c7b8faeb021d45dd8592fb67cf6ecdab388d8bd5d7f46166e309f44e

Download Submit
\Windows\SysWOW64\chkdskw.exe

Filesize
3KB

MD5
8e9eae6a3d3fb7b0601ccf57a4b3a3b4

SHA1
cab908006255513373d56b4ecc547a903e9325e4

SHA256
a5c5b55532908da55aaee28cf66fdd2596cf0cf8e33416596f58e9da185a12bf

SHA512
9e959bc8a4b6d62a861e62031255968535a866d8758cc6c8c67b009516a2f4e72f59ffeac35bbc95edc23c4cafe2ac052c4ac20dd22fade127080c03e56c8a86

Download Submit
\Windows\SysWOW64\mslogon.dll

Filesize
7KB

MD5
f5e40d3b2a053021e3807ea0ca5c768f

SHA1
d78f3a9fb7c352d641fad55d13a6928448c4901c

SHA256
15b0500b2b8b551871225a32362bfaa1e1fdd187ed102a9312b36018f6cf5e52

SHA512
2b981cf94991106d128c10c810928d4ddc786ff8dab3413d126b04c1a2902b90bbd31c6b881b919e6575258363223a789ccca115f77e897c7a7ae3d96f84457f

Download Submit
\Windows\SysWOW64\mstcpmon.exe

Filesize
82KB

MD5
3fe380a0f6700f1ad5e771c5ae0523ef

SHA1
d0bb4ec743de0c6f71df9151a5f8e7658e258bdd

SHA256
12ef14a5a96ec0411bdd008c46377fde3beff99148a7c7d6a3f2750cbf337780

SHA512
fc876e53dd42b90533f130750a2b3e5c48fa29991980bac224f1de7b9432bc67754cb11fe40502e45749ae6f9e138654fcdc97330db390eafd62e7de6b26ee8f

Download Submit
\Windows\SysWOW64\mswshell.dll

Filesize
3KB

MD5
a51b7bd20c6d2e48d7b7f7857904026d

SHA1
1aa4bb9753bba78311ea7c14b85da76ddf256c7b

SHA256
5572572264fdc141c16a5ed7d655cddf702282bbc8fe2f0296d03ae962447ca2

SHA512
e061747f3aa1f6ab3868f0c8f1fc211b6159d7a133797f780f3191f79133ea61eaaf01dd4b8ee91654d80f7ca3f24958b29df0610e3a6db93cb88d12bf65fe2a

Download Submit
\Windows\SysWOW64\sfc32.exe

Filesize
12KB

MD5
a7c2e146f886e9215617df2f37ae0571

SHA1
d92a3a318c9485c26a76ed46fe7792885b0b363b

SHA256
d026a9fd4a3ff2274b1a52ac7bc92d8fa9282778aa673679c1f4a206074c653b

SHA512
0339b508e89faf9d3fd75d6b0f60f9c6840cfae513b55dbc488a647f701a146d4e72250b94a6a7378865ef2332536adab920c690b947dd09de1722a4f4595ae8

Download Submit
memory/2052-59-0x00000000001B0000-0x00000000001E5000-memory.dmp

Filesize
212KB

Download
memory/2224-1-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2224-0-0x0000000000540000-0x0000000000578000-memory.dmp

Filesize
224KB

Download
memory/2224-11-0x00000000003C0000-0x00000000003F8000-memory.dmp

Filesize
224KB

Download
memory/2224-10-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2720-105-0x0000000000490000-0x00000000004C8000-memory.dmp

Filesize
224KB

Download
memory/2720-99-0x0000000000280000-0x00000000002BB000-memory.dmp

Filesize
236KB

Download
memory/2720-101-0x0000000000490000-0x00000000004C8000-memory.dmp

Filesize
224KB

Download
memory/2720-103-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2876-37-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2876-38-0x0000000000220000-0x000000000025B000-memory.dmp

Filesize
236KB

Download
memory/2876-35-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2876-34-0x0000000000220000-0x000000000025B000-memory.dmp

Filesize
236KB

Download
memory/3052-41-0x0000000000320000-0x000000000032C000-memory.dmp

Filesize
48KB

Download
memory/3052-55-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/3052-57-0x0000000000500000-0x0000000000538000-memory.dmp

Filesize
224KB

Download
memory/3052-51-0x0000000000440000-0x0000000000478000-memory.dmp

Filesize
224KB

Download
memory/3052-70-0x0000000000440000-0x0000000000478000-memory.dmp

Filesize
224KB

Download
memory/3052-84-0x0000000000440000-0x0000000000478000-memory.dmp

Filesize
224KB

Download
memory/3052-50-0x0000000000440000-0x0000000000478000-memory.dmp

Filesize
224KB

Download
memory/3052-49-0x0000000000320000-0x000000000035B000-memory.dmp

Filesize
236KB

Download
memory/3052-39-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3052-21-0x0000000000320000-0x000000000032C000-memory.dmp

Filesize
48KB

Download
memory/3052-14-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3052-13-0x0000000000540000-0x0000000000578000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads