453755b23c6df8cb1b2955135fe5aa8295eb0ce984f946967847b59cd87239e2

Resubmissions

24-11-2022 16:31

221124-t1lwjsae9x 10

25-10-2022 09:21

221025-lbcbtacbd5 8

Analysis

max time kernel
128s
max time network
131s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25-10-2022 09:21

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General

Target

b491f711272344f719ee13d98ff337bf.exe
Size

7KB
MD5

b491f711272344f719ee13d98ff337bf
SHA1

f6f621d78adba380fd5da1e5b20e51b10e072d5f
SHA256

453755b23c6df8cb1b2955135fe5aa8295eb0ce984f946967847b59cd87239e2
SHA512

fe2be4e97f5d20d155bf30c2a5399923c20509fc096dd5abc38d32a08db627f0fdc78bde6699f0c01e50d3aa56b83c88f0b565c68b50e014e91ba4f92e30cc1f
SSDEEP

96:J0yVUrfA9pHTz6mOZDmuitgWeBksyixDIWlVOZBPTRsP0M:ZVz9JDOZadaWeuli95iTu

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

svcupdater.exe

pid process

1088 svcupdater.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

1612 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b491f711272344f719ee13d98ff337bf.exesvcupdater.exe

description pid process

Token: SeDebugPrivilege 1184 b491f711272344f719ee13d98ff337bf.exe
Token: SeDebugPrivilege 1088 svcupdater.exe

pid	process
1088	svcupdater.exe

pid	process
1612	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	1184	b491f711272344f719ee13d98ff337bf.exe
Token: SeDebugPrivilege	1088	svcupdater.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

b491f711272344f719ee13d98ff337bf.execmd.exetaskeng.exe

description	pid	process	target process
PID 1184 wrote to memory of 1860	1184	b491f711272344f719ee13d98ff337bf.exe	cmd.exe
PID 1184 wrote to memory of 1860	1184	b491f711272344f719ee13d98ff337bf.exe	cmd.exe
PID 1184 wrote to memory of 1860	1184	b491f711272344f719ee13d98ff337bf.exe	cmd.exe
PID 1860 wrote to memory of 1612	1860	cmd.exe	schtasks.exe
PID 1860 wrote to memory of 1612	1860	cmd.exe	schtasks.exe
PID 1860 wrote to memory of 1612	1860	cmd.exe	schtasks.exe
PID 948 wrote to memory of 1088	948	taskeng.exe	svcupdater.exe
PID 948 wrote to memory of 1088	948	taskeng.exe	svcupdater.exe
PID 948 wrote to memory of 1088	948	taskeng.exe	svcupdater.exe

C:\Users\Admin\AppData\Local\Temp\b491f711272344f719ee13d98ff337bf.exe
"C:\Users\Admin\AppData\Local\Temp\b491f711272344f719ee13d98ff337bf.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1184

C:\Windows\system32\cmd.exe
"cmd.exe" /C schtasks /create /tn \o5jbkg8hsq /tr "C:\Users\Admin\AppData\Roaming\o5jbkg8hsq\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f
2⤵
- Suspicious use of WriteProcessMemory
PID:1860

C:\Windows\system32\schtasks.exe
schtasks /create /tn \o5jbkg8hsq /tr "C:\Users\Admin\AppData\Roaming\o5jbkg8hsq\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f
3⤵
- Creates scheduled task(s)
PID:1612

C:\Windows\system32\taskeng.exe
taskeng.exe {C7F0F604-95BE-472E-9406-F8BDFD8F269F} S-1-5-21-999675638-2867687379-27515722-1000:ORXGKKZC\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:948

C:\Users\Admin\AppData\Roaming\o5jbkg8hsq\svcupdater.exe
C:\Users\Admin\AppData\Roaming\o5jbkg8hsq\svcupdater.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1088

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\o5jbkg8hsq\svcupdater.exe
Filesize
7KB

MD5
b491f711272344f719ee13d98ff337bf

SHA1
f6f621d78adba380fd5da1e5b20e51b10e072d5f

SHA256
453755b23c6df8cb1b2955135fe5aa8295eb0ce984f946967847b59cd87239e2

SHA512
fe2be4e97f5d20d155bf30c2a5399923c20509fc096dd5abc38d32a08db627f0fdc78bde6699f0c01e50d3aa56b83c88f0b565c68b50e014e91ba4f92e30cc1f

Download Submit
C:\Users\Admin\AppData\Roaming\o5jbkg8hsq\svcupdater.exe
Filesize
7KB

MD5
b491f711272344f719ee13d98ff337bf

SHA1
f6f621d78adba380fd5da1e5b20e51b10e072d5f

SHA256
453755b23c6df8cb1b2955135fe5aa8295eb0ce984f946967847b59cd87239e2

SHA512
fe2be4e97f5d20d155bf30c2a5399923c20509fc096dd5abc38d32a08db627f0fdc78bde6699f0c01e50d3aa56b83c88f0b565c68b50e014e91ba4f92e30cc1f

Download Submit
memory/1088-58-0x0000000000000000-mapping.dmp

Download
memory/1088-60-0x00000000011E0000-0x00000000011E8000-memory.dmp

Filesize
32KB

Download
memory/1184-54-0x0000000000FD0000-0x0000000000FD8000-memory.dmp

Filesize
32KB

Download
memory/1612-56-0x0000000000000000-mapping.dmp

Download
memory/1860-55-0x0000000000000000-mapping.dmp

Download