2e9690b042e3be4bef18f559f5df992d8cff70b1f8d3aed3e649c7e100f1077f

General

Target

0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe
Size

863KB
MD5

0046af8b8f7390c9ffffa0cb21f0cb71
SHA1

4e79a31dcdef729be1d4f803e99d3f69b116a5e1
SHA256

2e9690b042e3be4bef18f559f5df992d8cff70b1f8d3aed3e649c7e100f1077f
SHA512

61732e3e8ca309ba64fd8ac7a1adc1f0d5e1a5b22ae8b362e799ca4e3ca9ff44c364f8ece71efee6697f39e7e3c236f16dd326701beda8fe570a0db4dd015688
SSDEEP

24576:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0ND:Kwi0L0qk+5W/W

Score

10^/10

aspackv2 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

ASPack v2.12-2.42 3 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
C:\Windows\SysWOW64\HelpMe.exe	aspack_v212_v242
C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe	aspack_v212_v242
C:\$Recycle.Bin\S-1-5-21-2288054676-1871194608-3559553667-1000\desktop.ini.exe	aspack_v212_v242

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

4212 HelpMe.exe

pid	process
4212	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)	\??\K:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\E:	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 4 IoCs

Processes:

HelpMe.exe0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\SysWOW64\HelpMe.exe	HelpMe.exe
File opened for modification	C:\Windows\SysWOW64\HelpMe.exe	0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\notepad.exe.exe	0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\HelpMe.exe	0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe

Drops file in Program Files directory 1 IoCs

Processes:

0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe

description ioc process

File created C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe 0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.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:

0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe

pid process

4872 0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe
4872 0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe	0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe

pid	process
4872	0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe
4872	0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe

description	pid	process	target process
PID 4872 wrote to memory of 4212	4872	0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe	HelpMe.exe
PID 4872 wrote to memory of 4212	4872	0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe	HelpMe.exe
PID 4872 wrote to memory of 4212	4872	0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe	HelpMe.exe

C:\Users\Admin\AppData\Local\Temp\0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0046af8b8f7390c9ffffa0cb21f0cb71_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4872

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
PID:4212

Network

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

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-2288054676-1871194608-3559553667-1000\desktop.ini.exe

Filesize
688KB

MD5
03e75e1506fc489d18ef85e5ed5b6508

SHA1
84c5c1cc36ffa8ecccae78d4b470da6669acf9c9

SHA256
2248629cfa8f8ee93b5260cfd6daff4a904ed65d16a172d4c302436d7fec1d25

SHA512
cbb75e4e2f1012aa0909b7c4e19f4720c3a6ce944cfa22b896a93db315e691f7a93838a5a69cf9b1ff42eb56d04db93e81087c0b114da7c05493787e9274ac3f

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

Filesize
1.6MB

MD5
fba320d14b36eb772e2cf3789b3032af

SHA1
60c511fcd5c161892aa5015ca26c9d0b699f8de5

SHA256
ff8390e6b9d8878363fcf3c847478450a3d64a55c4aefdc383dcf73938ab06f4

SHA512
55263115ef590d4bc6ccdd79652c5588cb2d77413ef238622dd774ddd2d41e9a7fca78925010ca5c098680817b206fe73017d3cac0bef208ca3e934305d91d3c

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

Filesize
687KB

MD5
a2861ec0b143856128231e6d4da8595f

SHA1
40fa1f97643e8ccf4d4cba094f7e7c4c24497c3d

SHA256
03f80e9d7875f8667a018bda913dd7d82a836c15b7344a42109d8c4f2ad62130

SHA512
bc7cb65ac148ea050fd9368827579d58e90fa0d89e1b2fd86a7e7ea52cf93c54a2def3c518f5be5c16e3943a3057c2997d86c21af33d308c229d82a57fa3cfdb

Download Submit
F:\AUTORUN.INF

Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
memory/4212-58-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4212-68-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4212-5-0x0000000000630000-0x0000000000631000-memory.dmp

Filesize
4KB

Download
memory/4212-51-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4212-54-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4212-55-0x0000000000630000-0x0000000000631000-memory.dmp

Filesize
4KB

Download
memory/4212-92-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4212-61-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4212-64-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4212-89-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4212-71-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4212-73-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4212-77-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4212-80-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4212-83-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4212-85-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4872-12-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4872-0-0x00000000022F0000-0x00000000022F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads