547c224f624437d6a984324f72b47cd8289d57b700b989a44bae575a179f97cf

General

Target

547c224f624437d6a984324f72b47cd8289d57b700b989a44bae575a179f97cf.exe
Size

1.6MB
MD5

2b53a3d5ffc830758df4246831b15d72
SHA1

72aa3b03cfce102b779915662b5ba5739511c278
SHA256

547c224f624437d6a984324f72b47cd8289d57b700b989a44bae575a179f97cf
SHA512

c9b39bc4c3e1973abd85a8e3e74161fa293eeef0612e1da6a455343221aa695d1532d95f570fb63aefd5af4a0a4d0df69a839502fd9fc3b0f097af7a0d277987
SSDEEP

49152:gozQWhYdil2eTZaqdwk0c05HGie1Kf+6D4:vFedil2eYqdwkLcHHGys

Score

9^/10

persistence upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\SkinH_EL.dll	acprotect

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\SkinH_EL.dll	upx
behavioral2/memory/4884-133-0x0000000010000000-0x000000001003D000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

547c224f624437d6a984324f72b47cd8289d57b700b989a44bae575a179f97cf.exe

pid process

4884 547c224f624437d6a984324f72b47cd8289d57b700b989a44bae575a179f97cf.exe
Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Processes:

msedge.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run msedge.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	msedge.exe

Drops file in Program Files directory 2 IoCs

Processes:

setup.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\97858bcb-9035-4ce7-ba40-f44f64d3e4e8.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20221125203722.pma	setup.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

msedge.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe

Modifies registry class 1 IoCs

Processes:

msedge.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ msedge.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

msedge.exemsedge.exe

pid process

3756 msedge.exe
3756 msedge.exe
2576 msedge.exe
2576 msedge.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs

Processes:

msedge.exe

pid process

2576 msedge.exe
2576 msedge.exe
2576 msedge.exe
2576 msedge.exe
2576 msedge.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msedge.exe

pid process

2576 msedge.exe
2576 msedge.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	msedge.exe

pid	process
3756	msedge.exe
3756	msedge.exe
2576	msedge.exe
2576	msedge.exe

pid	process
2576	msedge.exe
2576	msedge.exe
2576	msedge.exe
2576	msedge.exe
2576	msedge.exe

pid	process
2576	msedge.exe
2576	msedge.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

547c224f624437d6a984324f72b47cd8289d57b700b989a44bae575a179f97cf.exe

pid	process
4884	547c224f624437d6a984324f72b47cd8289d57b700b989a44bae575a179f97cf.exe
4884	547c224f624437d6a984324f72b47cd8289d57b700b989a44bae575a179f97cf.exe
4884	547c224f624437d6a984324f72b47cd8289d57b700b989a44bae575a179f97cf.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

547c224f624437d6a984324f72b47cd8289d57b700b989a44bae575a179f97cf.exemsedge.exe

description	pid	process	target process
PID 4884 wrote to memory of 2576	4884	547c224f624437d6a984324f72b47cd8289d57b700b989a44bae575a179f97cf.exe	msedge.exe
PID 4884 wrote to memory of 2576	4884	547c224f624437d6a984324f72b47cd8289d57b700b989a44bae575a179f97cf.exe	msedge.exe
PID 2576 wrote to memory of 4412	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 4412	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 1060	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3756	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3756	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe
PID 2576 wrote to memory of 3492	2576	msedge.exe	msedge.exe

C:\Users\Admin\AppData\Local\Temp\547c224f624437d6a984324f72b47cd8289d57b700b989a44bae575a179f97cf.exe
"C:\Users\Admin\AppData\Local\Temp\547c224f624437d6a984324f72b47cd8289d57b700b989a44bae575a179f97cf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4884

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://qqxxjz.nl.ae/
2⤵
- Adds Run key to start application
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2576

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffa087746f8,0x7ffa08774708,0x7ffa08774718
3⤵
PID:4412

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2156,16337402993392189588,17849379480508672248,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2284 /prefetch:2
3⤵
PID:1060

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2156,16337402993392189588,17849379480508672248,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2336 /prefetch:3
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3756

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2156,16337402993392189588,17849379480508672248,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2784 /prefetch:8
3⤵
PID:3492

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,16337402993392189588,17849379480508672248,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3392 /prefetch:1
3⤵
PID:1116

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,16337402993392189588,17849379480508672248,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3400 /prefetch:1
3⤵
PID:1400

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2156,16337402993392189588,17849379480508672248,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4480 /prefetch:8
3⤵
PID:4752

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,16337402993392189588,17849379480508672248,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5364 /prefetch:1
3⤵
PID:5032

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,16337402993392189588,17849379480508672248,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5804 /prefetch:1
3⤵
PID:3432

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,16337402993392189588,17849379480508672248,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5820 /prefetch:1
3⤵
PID:3080

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2156,16337402993392189588,17849379480508672248,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5220 /prefetch:8
3⤵
PID:1000

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2156,16337402993392189588,17849379480508672248,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6604 /prefetch:8
3⤵
PID:1936

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
3⤵
- Drops file in Program Files directory
PID:2320

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x274,0x278,0x27c,0x250,0x280,0x7ff7d7985460,0x7ff7d7985470,0x7ff7d7985480
4⤵
PID:1260

C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2156,16337402993392189588,17849379480508672248,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6604 /prefetch:8
3⤵
PID:2692

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4480

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\SkinH_EL.dll
Filesize
86KB

MD5
147127382e001f495d1842ee7a9e7912

SHA1
92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

SHA256
edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

SHA512
97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

Download Submit
\??\pipe\LOCAL\crashpad_2576_TXMPVTNGIDQLHXOA
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/1000-155-0x0000000000000000-mapping.dmp

Download
memory/1060-137-0x0000000000000000-mapping.dmp

Download
memory/1116-143-0x0000000000000000-mapping.dmp

Download
memory/1260-157-0x0000000000000000-mapping.dmp

Download
memory/1400-145-0x0000000000000000-mapping.dmp

Download
memory/2320-156-0x0000000000000000-mapping.dmp

Download
memory/2576-134-0x0000000000000000-mapping.dmp

Download
memory/2692-158-0x0000000000000000-mapping.dmp

Download
memory/3080-153-0x0000000000000000-mapping.dmp

Download
memory/3432-151-0x0000000000000000-mapping.dmp

Download
memory/3492-141-0x0000000000000000-mapping.dmp

Download
memory/3756-138-0x0000000000000000-mapping.dmp

Download
memory/4412-135-0x0000000000000000-mapping.dmp

Download
memory/4752-147-0x0000000000000000-mapping.dmp

Download
memory/4884-133-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/5032-149-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads