b88e6154aeb1c8505580917f36abef82ab4033e871559ed3634d90f9a144131f

Analysis

max time kernel
150s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2023 02:13

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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-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe
1264	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

1264 AcroRd32.exe
1264 AcroRd32.exe
1264 AcroRd32.exe
1264 AcroRd32.exe
1264 AcroRd32.exe
1264 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 1264 wrote to memory of 5064	1264	AcroRd32.exe	RdrCEF.exe
PID 1264 wrote to memory of 5064	1264	AcroRd32.exe	RdrCEF.exe
PID 1264 wrote to memory of 5064	1264	AcroRd32.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 2440	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	RdrCEF.exe	RdrCEF.exe
PID 5064 wrote to memory of 4512	5064	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:1264

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:5064

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=18E7DCBFB53C43A713A0E61712E0F2DF --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=18E7DCBFB53C43A713A0E61712E0F2DF --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2440

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=ADFB94C89A4F82841A6C48FED39236D9 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4512

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=E29EE476EDB9BC03304CE90773FE675E --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4276

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=D56688EA4EBBA166029CE48E92C45039 --mojo-platform-channel-handle=2012 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4104

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=B3FFACCD83B2D983343B4D102F523C91 --mojo-platform-channel-handle=2000 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2944

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4164

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
0f59b071ab5c35016843def365944e18

SHA1
c958bf87fa710f6679f05937318e8d1f4ef555a7

SHA256
ba7b960d7f65e6bbff7391415d51449f82074b63df136f96f282dcb2136c83a3

SHA512
8121ae67ed25491cbce516611d1de3d3165f79bfae1282b5617b5859fdc7dde9bf3ab55477a4cd33d98bb3ecdfe0705954d06a4bf52877c0442a9e0adf72b990

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