248c48ac7b4b0c17d6200aa842a5e5c7d095d8573745472d7542ff3c4291c68a

General

Target

INV_2020.EXE
Size

160KB
MD5

f5a55070ea8c80fab69335db6e299fc4
SHA1

ec55507009dd23da40716b957e1b1f5cb9e526b9
SHA256

248c48ac7b4b0c17d6200aa842a5e5c7d095d8573745472d7542ff3c4291c68a
SHA512

3339720f6c1d2a1399e4c53108d9af0bfbb6d80cef65385f25f4d107154fff0363781474149b2a7d9a802f9c1ede4e4690e80bb4703daf5eef29c9c90208732a

Score

5^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

INV_2020.EXEINV_2020.EXE

description	pid	process	target process
PID 2116 wrote to memory of 980	2116	INV_2020.EXE	schtasks.exe
PID 2116 wrote to memory of 980	2116	INV_2020.EXE	schtasks.exe
PID 2116 wrote to memory of 980	2116	INV_2020.EXE	schtasks.exe
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	INV_2020.EXE
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	INV_2020.EXE
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	INV_2020.EXE
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	INV_2020.EXE
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	INV_2020.EXE
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	INV_2020.EXE
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	INV_2020.EXE
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	INV_2020.EXE
PID 3952 wrote to memory of 3300	3952	INV_2020.EXE	dw20.exe
PID 3952 wrote to memory of 3300	3952	INV_2020.EXE	dw20.exe
PID 3952 wrote to memory of 3300	3952	INV_2020.EXE	dw20.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

INV_2020.EXE

description pid process target process

PID 2116 set thread context of 3952 2116 INV_2020.EXE INV_2020.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

dw20.exe

description pid process

Token: SeRestorePrivilege 3300 dw20.exe
Token: SeBackupPrivilege 3300 dw20.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

dw20.exe

pid process

3300 dw20.exe
3300 dw20.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

980 schtasks.exe

description	pid	process	target process
PID 2116 set thread context of 3952	2116	INV_2020.EXE	INV_2020.EXE

description	pid	process
Token: SeRestorePrivilege	3300	dw20.exe
Token: SeBackupPrivilege	3300	dw20.exe

pid	process
3300	dw20.exe
3300	dw20.exe

pid	process
980	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\INV_2020.EXE
"C:\Users\Admin\AppData\Local\Temp\INV_2020.EXE"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:2116

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RUFQcxsjseXBNa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE073.tmp"
2⤵
- Creates scheduled task(s)
PID:980

C:\Users\Admin\AppData\Local\Temp\INV_2020.EXE
"{path}"
2⤵
- Suspicious use of WriteProcessMemory
PID:3952

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 688
3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:3300

C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
1⤵
PID:2480

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\INV_2020.EXE.log

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C:\Users\Admin\AppData\Local\Temp\tmpE073.tmp

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memory/980-0-0x0000000000000000-mapping.dmp

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memory/3300-7-0x00000000029D0000-0x00000000029D1000-memory.dmp

Filesize
4KB

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memory/3300-13-0x0000000002E60000-0x0000000002E61000-memory.dmp

Filesize
4KB

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memory/3300-5-0x0000000000000000-mapping.dmp

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memory/3300-6-0x0000000002680000-0x0000000002681000-memory.dmp

Filesize
4KB

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memory/3952-3-0x000000000040D0BE-mapping.dmp

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memory/3952-8-0x000000000040D0BE-mapping.dmp

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memory/3952-9-0x000000000040D0BE-mapping.dmp

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memory/3952-10-0x000000000040D0BE-mapping.dmp

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memory/3952-11-0x000000000040D0BE-mapping.dmp

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memory/3952-12-0x000000000040D0BE-mapping.dmp

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memory/3952-2-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads