864015dc2258494fe378e7ed2ff3c013d5242de34ff595aff71e49b37d246704

Analysis

max time kernel
145s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-10-2024 07:28

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General

Target

16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
Size

184KB
MD5

16bad27cbb0d87dba97a7876f44c1ed3
SHA1

40dc577978f8939df6a22f988ac33d7fb5bfd7dc
SHA256

864015dc2258494fe378e7ed2ff3c013d5242de34ff595aff71e49b37d246704
SHA512

cd5339a03304d41f39567dd074a1f63bdd6b215fe692b49cb85145edb12031ce3bf9e7c7043625aff98b350f077b94ec766be828ef5f91cd1c653a5508020904
SSDEEP

3072:rimsXXK9HRTOeriRfP6pXfSb0dspqc5oY0htVFAHT11Ual21Cxcs0HKAH057kyJl:riMmXRH6pXfSb0ceR/VFAHh1kgcs0HWP

Score

10^/10

aspackv2 discovery persistence ransomware

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	HelpMe.exe

Renames multiple (91) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

ASPack v2.12-2.42 3 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x000a0000000120d5-8.dat	aspack_v212_v242
behavioral1/files/0x000800000001739f-38.dat	aspack_v212_v242
behavioral1/files/0x0001000000000026-55.dat	aspack_v212_v242

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	HelpMe.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	HelpMe.exe

Loads dropped DLL 31 IoCs

pid	Process
2076	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
2076	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe
2692	HelpMe.exe

Enumerates connected drives 3 TTPs 46 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

description	ioc	Process
File opened (read-only)	\??\Q:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\T:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\A:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\R:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\S:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\U:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\Z:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\B:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\L:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\O:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\V:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\Y:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\H:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\I:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\W:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\E:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\N:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\K:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\P:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\G:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\J:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\M:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\X:	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe

Drops autorun.inf file 1 TTPs 3 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\AUTORUN.INF	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File opened for modification	F:\AUTORUN.INF	HelpMe.exe
File opened for modification	F:\AUTORUN.INF	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\HelpMe.exe	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\HelpMe.exe	HelpMe.exe

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 2 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	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HelpMe.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2692	2076	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2692	2076	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2692	2076	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe	30
PID 2076 wrote to memory of 2692	2076	16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\16bad27cbb0d87dba97a7876f44c1ed3_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Loads dropped DLL
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2076
- 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
  - System Location Discovery: System Language Discovery
  PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-3551809350-4263495960-1443967649-1000\desktop.ini.exe

Filesize
184KB

MD5
1875100eed533056133649dc8f6d0796

SHA1
044f3dc8fe72b3fde35872417712584ef8bf4be5

SHA256
4ceb23578a7b22fbae295d93fab3db0443e12945360e93a503fb29cbbd58e380

SHA512
41d6a37b0672a19d053a53456afae2aed1b852ca6ea7941145faf305fd8795db4f12fd7e8126fb15e3a0a21ea0e96d76c398c8945b4f4414d42bf32024f88d83

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

Filesize
1KB

MD5
e6bb783c560e2b639f2b50d6c53bb9e0

SHA1
4dce93744a267fa0e05393fead5eec5c32a5c44c

SHA256
c68101b522343d4c22ee726fc5f1af52f9782486b44e16a1e2d34e6b251133f9

SHA512
b9a95ec0cd0813a6887d3c41d0b5c751d4b94f95a0ab0d4913ff5cbe15789725e1b49c61810d0030ec12b0b2ddc551ba636ad862d49422a8bc3be9c0fdc0c863

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

Filesize
954B

MD5
61d893dacf83c45aaf2bf72a83608d45

SHA1
fb2da6fdba83100f54e67f1e598e0a19c40b88ce

SHA256
43123b493c6ab5f2317e378d7f6dc09c2e72adcd28ee2cafb186d6ad0d4bd614

SHA512
41670fe76c878eff6a45b374c0333d02b38d2b7e736dd0eed262e2e8619dbecebf2c33aa4458449ce8da55bb476fb51d76bb677b5691f2228a7b2760e7d8171c

Download Submit
C:\Windows\SysWOW64\HelpMe.exe

Filesize
183KB

MD5
57f260903a34bf33a2c503df61f9403a

SHA1
1d1d528c3f43dec5c9c7a20c8c166fcdc742e7bb

SHA256
49b3cd308e4da9f54b3b283225a13d962b27b5d033f8839fc7d36dc799371f10

SHA512
d9d226e0fb4a2e9b985be04a1ce20b3763305a8867648041157dec6216defd21ca1aee0f801e0e6955d891facb14a5d2047da5f47b4dd1e4b6a8c7131ad533fd

Download Submit
F:\AUTORUN.INF

Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe

Filesize
184KB

MD5
16bad27cbb0d87dba97a7876f44c1ed3

SHA1
40dc577978f8939df6a22f988ac33d7fb5bfd7dc

SHA256
864015dc2258494fe378e7ed2ff3c013d5242de34ff595aff71e49b37d246704

SHA512
cd5339a03304d41f39567dd074a1f63bdd6b215fe692b49cb85145edb12031ce3bf9e7c7043625aff98b350f077b94ec766be828ef5f91cd1c653a5508020904

Download Submit
memory/2076-242-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2076-351-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2076-1-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2076-299-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2076-357-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2076-361-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2076-254-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2076-230-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2076-345-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2076-268-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2076-280-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2076-339-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2076-292-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2076-328-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2076-316-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2692-231-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2692-317-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2692-300-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2692-293-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2692-329-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2692-281-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2692-340-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2692-346-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2692-269-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2692-255-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2692-352-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2692-243-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2692-358-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2692-10-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2692-362-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads