565517ddfa6d09fa094c5dbddfe70447d0fcc0f2dfe66bba5f9f9ef73c47c6d6

Resubmissions

22-12-2022 00:38

221222-azdc8sdf64 8

04-11-2022 18:34

221104-w73hzsbgal 10

04-11-2022 17:36

221104-v6p1tsbcbp 10

Analysis

max time kernel
143s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2022 00:38

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General

Target

7ad55278a8285dace5bb637348e5990c356a7c35bbcb8e2d53fd3dc64573d4c0.exe
Size

427KB
MD5

c34729173ecc820eb7674431597d78be
SHA1

884f343876a8bb0ebac63c28191c22c6f69590f8
SHA256

7ad55278a8285dace5bb637348e5990c356a7c35bbcb8e2d53fd3dc64573d4c0
SHA512

f9c93a0c6f55217016fe5ba550e9948662901b9240662708ac93074bf9692427b73ce10864927026b118aeb6622a47cfa04976bbc9b482a31aef21a5c96786a0
SSDEEP

3072:yvGyYiSDnt1Et5CmPo8VGAnxoctr6Byd4TUISI:24UCp6n756BmlI

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

SETUP_~1.EXE

pid process

1868 SETUP_~1.EXE

pid	process
1868	SETUP_~1.EXE

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7ad55278a8285dace5bb637348e5990c356a7c35bbcb8e2d53fd3dc64573d4c0.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce	7ad55278a8285dace5bb637348e5990c356a7c35bbcb8e2d53fd3dc64573d4c0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	7ad55278a8285dace5bb637348e5990c356a7c35bbcb8e2d53fd3dc64573d4c0.exe

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{A0C649CD-D20D-4B80-8B3C-E25E2C804921}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{36736081-E64C-4E37-BE31-DA934EA8015F}.catalogItem	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SETUP_~1.EXE

description pid process

Token: SeDebugPrivilege 1868 SETUP_~1.EXE

description	pid	process
Token: SeDebugPrivilege	1868	SETUP_~1.EXE

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

7ad55278a8285dace5bb637348e5990c356a7c35bbcb8e2d53fd3dc64573d4c0.exe

description	pid	process	target process
PID 2228 wrote to memory of 1868	2228	7ad55278a8285dace5bb637348e5990c356a7c35bbcb8e2d53fd3dc64573d4c0.exe	SETUP_~1.EXE
PID 2228 wrote to memory of 1868	2228	7ad55278a8285dace5bb637348e5990c356a7c35bbcb8e2d53fd3dc64573d4c0.exe	SETUP_~1.EXE
PID 2228 wrote to memory of 1868	2228	7ad55278a8285dace5bb637348e5990c356a7c35bbcb8e2d53fd3dc64573d4c0.exe	SETUP_~1.EXE

C:\Users\Admin\AppData\Local\Temp\7ad55278a8285dace5bb637348e5990c356a7c35bbcb8e2d53fd3dc64573d4c0.exe
"C:\Users\Admin\AppData\Local\Temp\7ad55278a8285dace5bb637348e5990c356a7c35bbcb8e2d53fd3dc64573d4c0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2228

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1868

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:736

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE
Filesize
214.6MB

MD5
4786de75433835fdc9d3d08edf8116ca

SHA1
2c6843f4b1992eeb9215c4d582a94c4ceb7284f9

SHA256
d70c8ccf220b6424009b114c1af14df7e472b368f3c72b186322eeb86604b4eb

SHA512
e828ee36882c3d95c4c86ee0bd396527d3eb89f036c706f6f108e2caf8c2e87f946dbaddfb71db9a386cb7c111622cbcdbe46feff0563a7f4cb4fd59f32c9ad9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE
Filesize
214.6MB

MD5
4786de75433835fdc9d3d08edf8116ca

SHA1
2c6843f4b1992eeb9215c4d582a94c4ceb7284f9

SHA256
d70c8ccf220b6424009b114c1af14df7e472b368f3c72b186322eeb86604b4eb

SHA512
e828ee36882c3d95c4c86ee0bd396527d3eb89f036c706f6f108e2caf8c2e87f946dbaddfb71db9a386cb7c111622cbcdbe46feff0563a7f4cb4fd59f32c9ad9

Download Submit
memory/1868-132-0x0000000000000000-mapping.dmp

Download
memory/1868-135-0x0000000000DA0000-0x0000000000DB2000-memory.dmp

Filesize
72KB

Download