evilnum | 0d878b1b9f5c1ae8925e55df9e10b4271eb99970af133e251830044d24296ba8 | Triage

Analysis

max time kernel
3s
max time network
109s
platform
windows7_x64
resource
win7v20201028
submitted
26-12-2020 20:21

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General

Target

f5f79e2169db3bbe7b7ae3ff4a0f40659d11051e69ee784f5469659a708e829e.lnk
Size

938KB
MD5

cb908352d719b9e0a7142c4110ae502e
SHA1

e50a8c33b315517a4bad5eb35fb09e572c3ee9fa
SHA256

f5f79e2169db3bbe7b7ae3ff4a0f40659d11051e69ee784f5469659a708e829e
SHA512

9502d7c069532571277e3c8c849e9ce81130a11bf5ad892dad688aa9e53973abc76fb5b53aee72ca37fe29e50aa2543f2681a6d849ada59b9e07ff6e3b574909

Score

10^/10

evilnum trojan

Malware Config

Signatures

Evilnum
A malware family with multiple components distributed through LNK files.
trojan evilnum

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

cmd.execmd.exe

description	pid	process	target process
PID 1056 wrote to memory of 1244	1056	cmd.exe	cmd.exe
PID 1056 wrote to memory of 1244	1056	cmd.exe	cmd.exe
PID 1056 wrote to memory of 1244	1056	cmd.exe	cmd.exe
PID 1244 wrote to memory of 1132	1244	cmd.exe	cmd.exe
PID 1244 wrote to memory of 1132	1244	cmd.exe	cmd.exe
PID 1244 wrote to memory of 1132	1244	cmd.exe	cmd.exe
PID 1244 wrote to memory of 1972	1244	cmd.exe	find.exe
PID 1244 wrote to memory of 1972	1244	cmd.exe	find.exe
PID 1244 wrote to memory of 1972	1244	cmd.exe	find.exe
PID 1244 wrote to memory of 1984	1244	cmd.exe	wscript.exe
PID 1244 wrote to memory of 1984	1244	cmd.exe	wscript.exe
PID 1244 wrote to memory of 1984	1244	cmd.exe	wscript.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\f5f79e2169db3bbe7b7ae3ff4a0f40659d11051e69ee784f5469659a708e829e.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c path=C:\Windows\system32&move "VerificationDocuments.pdf.lnk " "C:\Users\Admin\AppData\Local\Temp\1.lnk"&type "C:\Users\Admin\AppData\Local\Temp\1.lnk"|find "END2">"C:\Users\Admin\AppData\Local\Temp\0.js"&wscript "C:\Users\Admin\AppData\Local\Temp\0.js"
2⤵
- Suspicious use of WriteProcessMemory
PID:1244

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" type "C:\Users\Admin\AppData\Local\Temp\1.lnk""
3⤵
PID:1132

C:\Windows\system32\find.exe
find "END2"
3⤵
PID:1972

C:\Windows\system32\wscript.exe
wscript "C:\Users\Admin\AppData\Local\Temp\0.js"
3⤵
PID:1984

Network

MITRE ATT&CK Matrix

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Downloads

memory/1132-3-0x0000000000000000-mapping.dmp

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memory/1244-2-0x0000000000000000-mapping.dmp

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memory/1972-4-0x0000000000000000-mapping.dmp

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memory/1984-5-0x0000000000000000-mapping.dmp

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