b8105be854c4972c947a139f273296ae2fb50417a6e287ee70868a7988e29856

General

Target

a73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe
Size

841KB
MD5

a73f60e8996cb4e49b78373b2035c4aa
SHA1

d446554e503baba18f61e9a08e67b351843acdc7
SHA256

b8105be854c4972c947a139f273296ae2fb50417a6e287ee70868a7988e29856
SHA512

9c93dad68cf8391a2af29195956dba0aa2545299cd7035527be4c7f35af9bec4a271758397102a4ac2662f762fdcc4d5ba4f8c504fb6f56db1cf41acc1667a11
SSDEEP

24576:KEtl9mRda1ISGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJvD:BEs1l91tRaMMMMM2MMMMM9

Score

10^/10

persistence

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

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

4552 HelpMe.exe

pid	process
4552	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)	\??\X:	HelpMe.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\U:	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:

a73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Windows\SysWOW64\HelpMe.exe	a73f60e8996cb4e49b78373b2035c4aa_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	a73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\notepad.exe.exe	a73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

HelpMe.exea73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe	HelpMe.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe	a73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

HelpMe.exea73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe

pid process

4552 HelpMe.exe
4552 HelpMe.exe
4608 a73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe
4608 a73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe

pid	process
4552	HelpMe.exe
4552	HelpMe.exe
4608	a73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe
4608	a73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

a73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe

description	pid	process	target process
PID 4608 wrote to memory of 4552	4608	a73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe	HelpMe.exe
PID 4608 wrote to memory of 4552	4608	a73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe	HelpMe.exe
PID 4608 wrote to memory of 4552	4608	a73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe	HelpMe.exe

C:\Users\Admin\AppData\Local\Temp\a73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a73f60e8996cb4e49b78373b2035c4aa_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4608

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
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:4552

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\$Recycle.Bin\S-1-5-21-3169499791-3545231813-3156325206-1000\desktop.ini.exe
Filesize
782KB

MD5
d39a2eefdb98436ba3d0f0fe7be0c39c

SHA1
ec68e3b5c88ade732cf23cd3434546ba0a3a2d19

SHA256
7354c7210493717e8edf498102fa83095eeecb606afa3346db52123a45fb8068

SHA512
983807e488c5acda7323f579e2cc6615b743739d347618363ea988c60c479d2fd3f191caf4e8f008a520a1e7d4a4a83931f6287929dc53f4999a437c1e1a54d5

Download Submit
C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe
Filesize
120KB

MD5
235902e02447fbcc998d3146bbddaaab

SHA1
48b805b01ef5a59d0685ce6d83bf43988587b3e3

SHA256
73fe2faa092b33d29f1e2ce610c4ae898a958dcea52d7a6bf7b76d7734418ba5

SHA512
18a46f8900e2ed5943b34c4acdd3c70ffa6c54069bdfbfd68907ca7677912dd06338dedf2f8f535088503570c8f08d3363b17c12bbc974de80a96cb199a9edc0

Download Submit
C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe
Filesize
192KB

MD5
7fc7db7f9acc015737f1d64f817c5ba0

SHA1
70719a63f42205913c34d0d7e835ed5d2bbb0a04

SHA256
257ee1dafe87431089b0d6adaf74397fc9710ae994325e308ce73ff33d1e0d85

SHA512
99f9e62e7546ab8b365285cd7cc0a149d6002c001faf91aae4ae0ea69b059d723d44c057bc3d41c3320bcf584c9e71c75fdbbd47377e734c92f35e7ccd1c26ed

Download Submit
C:\Windows\SysWOW64\HelpMe.exe
Filesize
782KB

MD5
a0e115b3d88196469ec4aab4627eaa76

SHA1
ed68268054659df0fb58a59899bba5ddfb4d5ee5

SHA256
88c6b660b37620773ebd64c58b4e660a153bc1efd035a22161249bcf317f85a3

SHA512
d66b82b4fd3bc2836a5f80aca44d59eb65222d77d39852292432de70c7799697e47799f7dd6dd68150b1e268c198493cf84b33574eab2889f1dbfd3c0090212a

Download Submit
C:\Windows\SysWOW64\notepad.exe.exe
Filesize
1004KB

MD5
60419a98e0831c7eb0954a7159dc69fc

SHA1
cfbec4036074aaff01fa342facfa1911ad742eef

SHA256
57951b53c160fe12b16d27f7665619f174244f7df59668650324af5fc10155fe

SHA512
aca9259c56abfb53ab703fb7a3b1b49f18a9997bdac4875d1596c421fd1a1d84ac9aafdfc8ababdf674b41e9d377201cef259292c9927189b759e8667542736f

Download Submit
F:\AUTORUN.INF
Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
memory/4552-6-0x00000000020D0000-0x00000000020D1000-memory.dmp

Filesize
4KB

Download
memory/4552-68-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4608-0-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4608-1-0x00000000020D0000-0x00000000020D1000-memory.dmp

Filesize
4KB

Download
memory/4608-19-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads