b88e6154aeb1c8505580917f36abef82ab4033e871559ed3634d90f9a144131f

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
15-11-2023 18:15

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General

Target

Payload/ESign.app/QMUIResources.bundle/Assets.pdf
Size

486KB
MD5

485aa9b9c11398c464d0c9535460b774
SHA1

2966cd8399f0bd5c4add81ea60f040a080936ab0
SHA256

2799307ba2063993f13fe5582c3ea3218990fa1ddedd7aee575d0b3effb8a3e1
SHA512

553471a4633e0f4a67d7dc816f2ef1840ec8beec3f5f755ef6a2cb2614c7c5e7002ee2d9b5503e73d2a14d31b518c17084e9da0bc2d7e7f539a8e4951b163c1e
SSDEEP

3072:IigNfod6Nq71AFSXwRJ0gLMTBRFDa9aft0UU1842Chi6zak5mY7:IigNfod6E7x8lLM7FDagfH941ta9

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

AcroRd32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe
2160	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

2160 AcroRd32.exe
2160 AcroRd32.exe
2160 AcroRd32.exe
2160 AcroRd32.exe
2160 AcroRd32.exe
2160 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 2160 wrote to memory of 3076	2160	AcroRd32.exe	RdrCEF.exe
PID 2160 wrote to memory of 3076	2160	AcroRd32.exe	RdrCEF.exe
PID 2160 wrote to memory of 3076	2160	AcroRd32.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 1504	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe
PID 3076 wrote to memory of 728	3076	RdrCEF.exe	RdrCEF.exe

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Payload\ESign.app\QMUIResources.bundle\Assets.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2160

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
2⤵
- Suspicious use of WriteProcessMemory
PID:3076

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=EF40BF2731CE14CA09051935F2041869 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1504

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=46F868D14ABA39978AA8C238A362C9A6 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=46F868D14ABA39978AA8C238A362C9A6 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
3⤵
PID:728

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=07756373864F35E77126034BFACBC02D --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4020

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=2F161D53B4491EE35F70A9494807EBAB --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2296

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=943CF6672CC3E8EAC2DACED7FE0C8456 --mojo-platform-channel-handle=2016 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2416

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
13890761c4d09505c597d0ee99abb828

SHA1
5d984ec24339faa9a0611ffe2ce79d59cf525603

SHA256
d60abf9a6596a1450641a2afa52bbe81bbba1010d06e1a7a8966f234a5c423ea

SHA512
4de82bfdd5af51e8d3da82365ed17352d1db2286b9caf771d37c2c6af3ebbca13ff1bbf9ca7be30e527f375d0459496bba0a8dda10386751eac509b98893f1be

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit