strela | a6e323659353f3e65cc073dd16fe2c3b544707a8efcf74f5605337fb9ecb40a3

General

Target

ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Size

1.2MB
MD5

ae10f1cc817f8529fc4baad9658132fb
SHA1

20c130e623f873bffab9308daea58a8978f35576
SHA256

a6e323659353f3e65cc073dd16fe2c3b544707a8efcf74f5605337fb9ecb40a3
SHA512

b1924a8f4572d924d1eaa96989a57b749de0a301799d0bfb91c00957388c9d79968d53f712ff1d29d1a027264a51f635bbcf64e6e23f406f4222d01be33fdf4a
SSDEEP

24576:YDUWi06YbO30iglh0xVzkUU9GVw/6LtZmXawNqBplcZhJLsrKevXP:YA8WVwv7KwNuTcZXUKEP

Score

10^/10

Malware Config

Signatures

Detects Strela Stealer payload 2 IoCs

resource	yara_rule
behavioral1/memory/1596-1-0x0000000000400000-0x0000000000549000-memory.dmp	family_strela
behavioral1/memory/1596-7-0x0000000000400000-0x0000000000549000-memory.dmp	family_strela

Strela stealer
An info stealer targeting mail credentials first seen in late 2022.
stealer strela

Loads dropped DLL 1 IoCs

pid	Process
1596	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.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

description	ioc	Process
File opened (read-only)	\??\R:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\T:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\W:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\Y:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\A:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\J:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\P:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\V:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\X:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\Z:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\H:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\O:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\M:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\N:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\Q:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\S:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\E:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\L:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\I:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\K:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\U:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\B:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
File opened (read-only)	\??\G:	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.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 1 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	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe

Modifies registry class 25 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EditPlus 2\shell\open\command	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\EditPlus 2\shell	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EditPlus 2	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\EditPlus 2\ = "EditPlus 2"	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\EditPlus 2\shell\print\ddeexec\ = "[print(\"%1\")]"	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\EditPlus 2\shell\edit\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\EDITPLUS.EXE \"%1\""	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\EditPlus 2\ = "EditPlus 2"	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EditPlus 2\shell	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EditPlus 2\shell\print\ddeexec	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EditPlus 2\shell\print\command	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\EditPlus 2	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\EditPlus 2\shell\open\ddeexec\ = "[open(\"%1\")]"	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\EditPlus 2\shell\edit\command	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EditPlus 2\shell\open\ddeexec	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EditPlus 2\shell\open	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\EditPlus 2\shell\print\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\EDITPLUS.EXE /p \"%1\""	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\EditPlus 2\shell\edit\ddeexec\ = "[open(\"%1\")]"	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EditPlus 2\DefaultIcon	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\EditPlus 2\shell\print	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\EditPlus 2\shell\edit\ddeexec	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\EditPlus 2\shell\edit	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\EditPlus 2\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\EDITPLUS.EXE \"%1\""	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\EditPlus 2\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\EDITPLUS.EXE,-5000"	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1596	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1596	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
1596	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 1252	1596	ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1252
- C:\Users\Admin\AppData\Local\Temp\ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ae10f1cc817f8529fc4baad9658132fb_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\259463452.dll

Filesize
9KB

MD5
0adb6f82125d3cb830a532da154677f0

SHA1
b1abad527ee1ed71bd4f00e1bb01214185398efb

SHA256
3449618ca5da3813402d38b8890462af1c90d8a991583e4c0492c3a81b60f425

SHA512
199060e350c1101f138d6b2151fc465e930eed495af77aaeaab837b10ca6d1fc113e32be51b5abe9b9d6c00dc73edf2d80ce720e99aabb8cd60ceae458c640fc

Download Submit
memory/1252-4-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download
memory/1596-6-0x0000000010000000-0x0000000010004000-memory.dmp

Filesize
16KB

Download
memory/1596-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1596-1-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/1596-7-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download

Analysis

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