93f388bc6763f46f0e5f7c15039c2e5f582ab80ebca8fcfe46229366fe0e78bc

Analysis

max time kernel
145s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/09/2024, 06:09

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General

Target

ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
Size

1.4MB
MD5

ced9855d63c8221536824a48aed82f48
SHA1

c69c29cda1a6607e43ea3849c7a47f9eb3c9ba81
SHA256

93f388bc6763f46f0e5f7c15039c2e5f582ab80ebca8fcfe46229366fe0e78bc
SHA512

1619afcbabe613bb422894d9a5cdb4e0f45e7336a5e0c39929e857216bae85cda09484c2a5dbfe2b45e974e76aeae448b65a936f3da16c2a879a762065369ec2
SSDEEP

24576:TEtl9mRda1cSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJvt:oEs1h3

Score

10^/10

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"	ced9855d63c8221536824a48aed82f48_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

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	ced9855d63c8221536824a48aed82f48_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	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2428	HelpMe.exe

Loads dropped DLL 2 IoCs

pid	Process
1352	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
1352	ced9855d63c8221536824a48aed82f48_JaffaCakes118.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)	\??\P:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\G:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\J:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\T:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\V:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\N:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\S:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\X:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\A:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\R:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\Y:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\Z:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\E:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\Q:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\B:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\O:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\U:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\K:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\M:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.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)	\??\T:	HelpMe.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\H:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\I:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\L:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\W:	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\Z:	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	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
File opened for modification	F:\AUTORUN.INF	HelpMe.exe
File opened for modification	F:\AUTORUN.INF	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\HelpMe.exe	ced9855d63c8221536824a48aed82f48_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	ced9855d63c8221536824a48aed82f48_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 1352 wrote to memory of 2428	1352	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe	30
PID 1352 wrote to memory of 2428	1352	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe	30
PID 1352 wrote to memory of 2428	1352	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe	30
PID 1352 wrote to memory of 2428	1352	ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\ced9855d63c8221536824a48aed82f48_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ced9855d63c8221536824a48aed82f48_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:1352
- C:\Windows\SysWOW64\HelpMe.exe
  C:\Windows\system32\HelpMe.exe
  2⤵
  - Modifies WinLogon for persistence
  - Drops startup file
  - Executes dropped EXE
  - Enumerates connected drives
  - Drops autorun.inf file
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2428

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-1-5-21-2872745919-2748461613-2989606286-1000\desktop.ini.exe

Filesize
1.4MB

MD5
f403fe5915085dc572bc6e1ea503e0b2

SHA1
4f9b2040d4e0ee29dcccafdb30a08595ebf7b1c3

SHA256
cf552a057ff930389656b75eee9254980f209e4d1fdb90da96b19f05f1451aba

SHA512
3834e5cb3d343dbf10584e5c89d232f175135d0e17b3be57b58ebaef4f84b1de14716bd888511a64f9f5673dc862394ff48c25e7056c4583a8e09016a619b157

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

Filesize
1KB

MD5
a401d9991a82fe482b799b3440deda06

SHA1
47797ed4259b9d164f36a8986f6c9732bf008e4b

SHA256
040f033d747e8fa0a818728c3dadefe2b4c373b4d8b20de5eb0e7d7cf113ac80

SHA512
02be3560abdd5ac8834cb030910d86e90cf952a399f48eed5fb3709c3c4ea55624b2109a28999fcb763a0763ef13d478ac305daec20d4b28d89d3c940beab2a4

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

Filesize
954B

MD5
4667767656d23f86506e49610a3f5f9d

SHA1
b7e6e0bec06e4793634c9b519582d31d9f0c5643

SHA256
d8c56662e7638b3369c8db0ce69ea3a33c8f3e6f2afe6a1a5e8d9ed72595e9e3

SHA512
1598b49df5a25003db003215f3b3d2b2309132784b2e7ee5675ae229d6f511789bc98eea78e964778e073cdbf8567abdb6ec71b94c5bc32f3a1964c09b42f1c4

Download Submit
F:\AUTORUN.INF

Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe

Filesize
1.4MB

MD5
ced9855d63c8221536824a48aed82f48

SHA1
c69c29cda1a6607e43ea3849c7a47f9eb3c9ba81

SHA256
93f388bc6763f46f0e5f7c15039c2e5f582ab80ebca8fcfe46229366fe0e78bc

SHA512
1619afcbabe613bb422894d9a5cdb4e0f45e7336a5e0c39929e857216bae85cda09484c2a5dbfe2b45e974e76aeae448b65a936f3da16c2a879a762065369ec2

Download Submit
\Windows\SysWOW64\HelpMe.exe

Filesize
1.4MB

MD5
cb8a8cf4311371f7cb39a98dd7935f8a

SHA1
d1bf6e16954a6d4754bb43abcc8629af92a6253c

SHA256
137d0701cd0daa737ec89a84216bfa8a10e8381ff361c2fcec1279e00abe5363

SHA512
764b4dc7305e8807c21158d8f665a808ff6b93fd82f41e62b89f28faa2df90684df030ee1c0c6c76d309c46f1f8d8201485ea4d682d9280e8f90a1bafbedc2ab

Download Submit
memory/1352-267-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1352-337-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1352-9-0x0000000000480000-0x00000000004F7000-memory.dmp

Filesize
476KB

Download
memory/1352-67-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1352-218-0x0000000000480000-0x00000000004F7000-memory.dmp

Filesize
476KB

Download
memory/1352-365-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1352-353-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1352-234-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1352-343-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1352-285-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1352-327-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1352-245-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1352-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1352-255-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1352-317-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1352-0-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1352-307-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1352-277-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1352-295-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-246-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-286-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-278-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-296-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-268-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-308-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-256-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-318-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-12-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2428-328-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-235-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-338-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-236-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2428-348-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-11-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-354-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-366-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2428-229-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads