58a0d0fd2be14203b98dc53efa802bc199f6b83f1bce6847d4019261589306d7

General

Target

696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe
Size

624KB
MD5

696647054432c3ddafefffa7e192c0d8
SHA1

e042f232e5aba808b162e936289f937e5d7afa9f
SHA256

58a0d0fd2be14203b98dc53efa802bc199f6b83f1bce6847d4019261589306d7
SHA512

2d492eecbc4d797719f3ffad2cbb78bb7edac1b04a66da3af746ccce53e6420d5c0358663096c34785095fb9a33502cfc9b643e2f8bb2a5b5699e6af753af138
SSDEEP

12288:wp4pNfz3ymJnJ8QCFkxCaQTOl2+x5GpX/U:KEtl9mRda1T5GJ/U

Score

10^/10

persistence ransomware

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

HelpMe.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	HelpMe.exe

Renames multiple (93) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops startup file 2 IoCs

Processes:

HelpMe.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	HelpMe.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	HelpMe.exe

Executes dropped EXE 1 IoCs

Processes:

HelpMe.exe

pid process

1628 HelpMe.exe

pid	process
1628	HelpMe.exe

Loads dropped DLL 31 IoCs

Processes:

696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exeHelpMe.exe

pid	process
1180	696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe
1180	696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe
1628	HelpMe.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

HelpMe.exe

description	ioc	process
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe

Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media
T1091

Processes:

HelpMe.exe

description ioc process

File opened for modification F:\AUTORUN.INF HelpMe.exe
File opened for modification C:\AUTORUN.INF HelpMe.exe

description	ioc	process
File opened for modification	F:\AUTORUN.INF	HelpMe.exe
File opened for modification	C:\AUTORUN.INF	HelpMe.exe

Drops file in System32 directory 6 IoCs

Processes:

696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Windows\SysWOW64\HelpMe.exe	696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\HelpMe.exe	HelpMe.exe
File opened for modification	C:\Windows\SysWOW64\HelpMe.exe	HelpMe.exe
File created	C:\Windows\SysWOW64\notepad.exe.exe	HelpMe.exe
File opened for modification	C:\Windows\SysWOW64\HelpMe.exe	696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\notepad.exe.exe	696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe	696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe
File created	C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe	HelpMe.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

HelpMe.exe696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe

pid process

1628 HelpMe.exe
1180 696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe

pid	process
1628	HelpMe.exe
1180	696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe

description	pid	process	target process
PID 1180 wrote to memory of 1628	1180	696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe	HelpMe.exe
PID 1180 wrote to memory of 1628	1180	696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe	HelpMe.exe
PID 1180 wrote to memory of 1628	1180	696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe	HelpMe.exe
PID 1180 wrote to memory of 1628	1180	696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe	HelpMe.exe

C:\Users\Admin\AppData\Local\Temp\696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\696647054432c3ddafefffa7e192c0d8_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1180

C:\Windows\SysWOW64\HelpMe.exe
C:\Windows\system32\HelpMe.exe
2⤵
- Modifies WinLogon for persistence
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:1628

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1

T1091

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

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\$Recycle.Bin\S-1-5-21-481678230-3773327859-3495911762-1000\desktop.ini.exe
Filesize
448KB

MD5
1d602c38f5ff4006f112ef249e919b04

SHA1
efb98e204a4a84d157c13922340b05a3faeac29f

SHA256
3fa492d18fc035fe6f7b7dff8cf1e410c84779839bf81f1714f8e1a5993b7216

SHA512
bc1e2748ae365b35da63280fc79cce2af94270591559dddf95c2b53bb5ab64fe5f1b6a34e2c1ecd470e892dfd02142bc7d8b4d98cd992bfbedf6b72e63d816cd

Download Submit
C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
Filesize
950B

MD5
ae90292f6383216dfb9fc442c6cd8cc5

SHA1
c0803700a2f3eb056c4046ff2c87b0e0ea36e229

SHA256
1af317ba1e95333c020d065e490b0e5e964e4fbc1c89fb6c04e52dd790d4f544

SHA512
f5a9ebd4da92f798d33e85c81daf1b82cc387fda9ffe37d0293ad02a287e64b89229196440bdd6496293b9a253da1cd1ac1ec681233bf7353a959954e71d8ec7

Download Submit
C:\Windows\SysWOW64\notepad.exe.exe
Filesize
800KB

MD5
6e9936f7c03fb174a2c3932aa4ded0e0

SHA1
ecf530456e87c8097caa4d3e691f12a2cbff44ea

SHA256
58d1c5629e56dc07f924c4288c1b2e1f42d08583f8f7fa3b67d21198ffc7ae8e

SHA512
fceef09840765d84c94f650f62c9d9032e72846581916a209074b730d0e8f893383d34e9886f555c980fe1a06052f5fce4df04491ff6b50a05b800d504034e00

Download Submit
F:\AUTORUN.INF
Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
\Windows\SysWOW64\HelpMe.exe
Filesize
448KB

MD5
f37584ccd558a8098f9f3d203c55e366

SHA1
51201251845b44270718be6f042faf618e79cbbe

SHA256
58e2e26f1cbc51a7a47811ded83e6d5a724f9e8adf9b40ef1ac6f610d7a86a78

SHA512
d468113c39a25fc04995cd688c5336f14140d9705b31207bd0318bb1afecfb91ae4240fac1ddf02bf74da9db102e2b57eb75ed8e517c4f20df523625d000f3ba

Download Submit
memory/1180-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1180-4-0x0000000000480000-0x00000000004F8000-memory.dmp

Filesize
480KB

Download
memory/1180-0-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1180-26-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1628-13-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1628-75-0x0000000001EF0000-0x0000000001F00000-memory.dmp

Filesize
64KB

Download
memory/1628-249-0x0000000001EF0000-0x0000000001F00000-memory.dmp

Filesize
64KB

Download
memory/1628-254-0x0000000001EF0000-0x0000000001F00000-memory.dmp

Filesize
64KB

Download
memory/1628-253-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1628-257-0x0000000001EF0000-0x0000000001F00000-memory.dmp

Filesize
64KB

Download
memory/1628-258-0x0000000001EF0000-0x0000000001F00000-memory.dmp

Filesize
64KB

Download
memory/1628-11-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1628-261-0x0000000001EF0000-0x0000000001F00000-memory.dmp

Filesize
64KB

Download
memory/1628-264-0x0000000001EF0000-0x0000000001F00000-memory.dmp

Filesize
64KB

Download
memory/1628-268-0x0000000001EF0000-0x0000000001F00000-memory.dmp

Filesize
64KB

Download
memory/1628-275-0x0000000001EF0000-0x0000000001F00000-memory.dmp

Filesize
64KB

Download
memory/1628-290-0x0000000001EB0000-0x0000000001EC0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads