a74f5c6ab7687bbe68ff4099e61b9cdc370dc89208c6f86db88cebdf8ed6ea44

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 11:52

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General

Target

b7556b8ec303ea92a92c3cc5c7841af9.pdf
Size

128KB
MD5

b7556b8ec303ea92a92c3cc5c7841af9
SHA1

bc4037d8af1d1db80b2f2a532c147a4b9c3d3335
SHA256

a74f5c6ab7687bbe68ff4099e61b9cdc370dc89208c6f86db88cebdf8ed6ea44
SHA512

4561b7d4705a67354910037b4f5d6228817d9ec7b2bbe56f30e0cec1ca9fbe0f59dc4080fbcefea89dc344e1935aaad6703b5b8130b8a3bdda0a4b0269643f63
SSDEEP

3072:sYfOcnXAgtBBipejzqpCQf+GqLyMyu2u9F4Oi:sQXAg0pejzqp9WGgaL

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

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 1992	4792	AcroRd32.exe	103
PID 4792 wrote to memory of 1992	4792	AcroRd32.exe	103
PID 4792 wrote to memory of 1992	4792	AcroRd32.exe	103
PID 4792 wrote to memory of 4356	4792	AcroRd32.exe	106
PID 4792 wrote to memory of 4356	4792	AcroRd32.exe	106
PID 4792 wrote to memory of 4356	4792	AcroRd32.exe	106
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3992	1992	RdrCEF.exe	107
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108
PID 1992 wrote to memory of 3964	1992	RdrCEF.exe	108

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\b7556b8ec303ea92a92c3cc5c7841af9.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4792
- 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:1992
- - 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=7FD8D5DFDE448E261FE0057EA9208799 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3992
- - 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=65F52C352D99D1AA245E2699E1B795E5 --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=65F52C352D99D1AA245E2699E1B795E5 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3964
- - 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=DBED4E031865C88B102F5705607EED50 --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=DBED4E031865C88B102F5705607EED50 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4912
- - 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=ADEB156CD3D78A1D4CE6A7CEFEF4C682 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4540
- - 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=EC7D5A85D38182A6628A8EA3FE1B2E09 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1920
- - 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=11C6EF0AD38B31B43ED7838C286DA69D --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4532
- 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⤵
  PID:4356

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3296 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
1⤵
PID:4384

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
2e2aecbb1822176289bfa4d7196c5d5e

SHA1
8b5f4791d739247b0fa88bcac9da35dbf0b89a86

SHA256
b6f30d69a793cac8687aae0212ed97458956b9c7b061209c054dffdf4dd7a03b

SHA512
b7022144c938ba89d626692c17166b2ced0b47f4258c3ca2f3cc567e2f9703f34975ee466d563ba1d3824da8af969d579968516f40c8473eabe15c81870f667b

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