dc8abab8b4ac78e63c9412d44f02f3dfbe055d4de4d2e2060451a649125673ba

General

Target

dc8abab8b4ac78e63c9412d44f02f3dfbe055d4de4d2e2060451a649125673ba.exe
Size

275KB
MD5

5555f3e8200401987138db18aee5e61e
SHA1

b5cfd44d1bcd437aa7dd0fc75cda1b5eadd19e46
SHA256

dc8abab8b4ac78e63c9412d44f02f3dfbe055d4de4d2e2060451a649125673ba
SHA512

39701c9547075accec9d6930f5a30fca6c9501b46a7dfc9042754dfe8e55bb48c11b6b3ec2e3568920ba0332c8e570e490249c7409175df87c7026be8c97bfa5
SSDEEP

6144:RBKHYmz6mq2pmHmFV2YjnWuwqzeRhva/cfAO9EJgO:G4m5bpnL2KnEqCRhvaU4j

Score

9^/10

bootkit persistence upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\QQDownload.dll	acprotect
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\qqdownload.dll	acprotect

Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

QQPCDownload60116.exeQQPCDownload.exe

pid process

1956 QQPCDownload60116.exe
4228 QQPCDownload.exe

pid	process
1956	QQPCDownload60116.exe
4228	QQPCDownload.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\QQDownload.dll	upx
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\qqdownload.dll	upx
behavioral2/memory/4228-140-0x0000000010000000-0x00000000101DA000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

QQPCDownload60116.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	QQPCDownload60116.exe

Loads dropped DLL 1 IoCs

Processes:

QQPCDownload.exe

pid process

4228 QQPCDownload.exe
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

QQPCDownload.exe

description ioc process

File opened for modification \??\PhysicalDrive0 QQPCDownload.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
4228	QQPCDownload.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	QQPCDownload.exe

Modifies registry class 3 IoCs

Processes:

QQPCDownload.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\metnsd\clsid	QQPCDownload.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\metnsd	QQPCDownload.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\metnsd\clsid\SequenceID = fbb4f384fcadb9448f114496322de6b5	QQPCDownload.exe

Suspicious use of FindShellTrayWindow 6 IoCs

Processes:

QQPCDownload.exe

pid process

4228 QQPCDownload.exe
4228 QQPCDownload.exe
4228 QQPCDownload.exe
4228 QQPCDownload.exe
4228 QQPCDownload.exe
4228 QQPCDownload.exe
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

QQPCDownload.exe

pid process

4228 QQPCDownload.exe
4228 QQPCDownload.exe

pid	process
4228	QQPCDownload.exe
4228	QQPCDownload.exe
4228	QQPCDownload.exe
4228	QQPCDownload.exe
4228	QQPCDownload.exe
4228	QQPCDownload.exe

pid	process
4228	QQPCDownload.exe
4228	QQPCDownload.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

QQPCDownload60116.exe

description	pid	process	target process
PID 1956 wrote to memory of 4228	1956	QQPCDownload60116.exe	QQPCDownload.exe
PID 1956 wrote to memory of 4228	1956	QQPCDownload60116.exe	QQPCDownload.exe
PID 1956 wrote to memory of 4228	1956	QQPCDownload60116.exe	QQPCDownload.exe

C:\Users\Admin\AppData\Local\Temp\dc8abab8b4ac78e63c9412d44f02f3dfbe055d4de4d2e2060451a649125673ba.exe
"C:\Users\Admin\AppData\Local\Temp\dc8abab8b4ac78e63c9412d44f02f3dfbe055d4de4d2e2060451a649125673ba.exe"
1⤵
PID:4284

C:\Users\Admin\AppData\Local\Temp\QQPCDownload60116.exe
C:\Users\Admin\AppData\Local\Temp\QQPCDownload60116.exe
1⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1956

C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\QQPCDownload.exe
"C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\QQPCDownload.exe" ##cmd=1;supplyid=60116
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4228

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\QQDownload.dll
Filesize
636KB

MD5
e2401fa2c7096c83a26153135c389b5c

SHA1
7f453599197034ec36716577d4525e4961444af8

SHA256
a9a5456d3878664a0f689d25401de1328a56972a697d38b0798a32de05f42c61

SHA512
a42d0f5e127e3c36e03518eac6da4f953bff912f4515591b8a857c6a525ebc7352769edb5bb389d156babf187bc84bd0981db7a9e50d10fb35b9aa8c10372b1d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\QQPCDownload.exe
Filesize
449KB

MD5
77f662ee28f3965a4d8f3fc0cf55e5d9

SHA1
c78e1e0846bc5a5be770dd1159266c995b4b6fcb

SHA256
3e1a024853a85fab452e078d8014a3ec12c20fe8e836acfcde45ab5d636069c2

SHA512
4fda8167f82c47ba732718aafe5ad544c292e9776ff3a8520d641dc66acaeb5b6d2c9b43de37634080f1e01d52ba95df7896bddccf8abd8ea624cb3171d41c3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\QQPCDownload.exe
Filesize
449KB

MD5
77f662ee28f3965a4d8f3fc0cf55e5d9

SHA1
c78e1e0846bc5a5be770dd1159266c995b4b6fcb

SHA256
3e1a024853a85fab452e078d8014a3ec12c20fe8e836acfcde45ab5d636069c2

SHA512
4fda8167f82c47ba732718aafe5ad544c292e9776ff3a8520d641dc66acaeb5b6d2c9b43de37634080f1e01d52ba95df7896bddccf8abd8ea624cb3171d41c3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\qqdownload.dll
Filesize
636KB

MD5
e2401fa2c7096c83a26153135c389b5c

SHA1
7f453599197034ec36716577d4525e4961444af8

SHA256
a9a5456d3878664a0f689d25401de1328a56972a697d38b0798a32de05f42c61

SHA512
a42d0f5e127e3c36e03518eac6da4f953bff912f4515591b8a857c6a525ebc7352769edb5bb389d156babf187bc84bd0981db7a9e50d10fb35b9aa8c10372b1d

Download Submit
C:\Users\Admin\AppData\Local\Temp\QQPCDownload60116.exe
Filesize
889KB

MD5
d7df8b258c882fe7ac2229ab26efa83d

SHA1
dc099e6be8e77900f34728d46f331ff6e14dae75

SHA256
9c7cc6693aad43de46ea3a5900e81ecc32b601cf3e2a2b428b6d1aef6f0d22c0

SHA512
cdedabe7d359ce30e9b268093cb6fa547fbd9cab8c5bfb96398bd92fd4008d7ed4a942053dcf3add8f30217ca53ae064f223de5bb9f616a15afea29bd8601638

Download Submit
C:\Users\Admin\AppData\Local\Temp\QQPCDownload60116.exe
Filesize
889KB

MD5
d7df8b258c882fe7ac2229ab26efa83d

SHA1
dc099e6be8e77900f34728d46f331ff6e14dae75

SHA256
9c7cc6693aad43de46ea3a5900e81ecc32b601cf3e2a2b428b6d1aef6f0d22c0

SHA512
cdedabe7d359ce30e9b268093cb6fa547fbd9cab8c5bfb96398bd92fd4008d7ed4a942053dcf3add8f30217ca53ae064f223de5bb9f616a15afea29bd8601638

Download Submit
memory/4228-135-0x0000000000000000-mapping.dmp

Download
memory/4228-140-0x0000000010000000-0x00000000101DA000-memory.dmp

Filesize
1.9MB

Download
memory/4284-132-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/4284-141-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads