f852ffc31ff57c2ca45d72bf481ae2db66b7eae07585e1a743150822bd8e31df

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/02/2024, 03:34

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General

Target

ad94e111d767916b4f74614039203c3a.pdf
Size

33KB
MD5

ad94e111d767916b4f74614039203c3a
SHA1

d3c6cc6b7e6646c5d24bb271f1e94f2a13de069f
SHA256

f852ffc31ff57c2ca45d72bf481ae2db66b7eae07585e1a743150822bd8e31df
SHA512

649d99cd972c7f1e287dc84dbc26961966f5ed0d97d8f80b7237206d536f62c22ada305a63e4662281d3a194399440da0a04053bdcc472ede8c74b4189e56d26
SSDEEP

768:nkalv3iQsb8UUs7ivTWOCrVvjJ89WFw2a:Li8ZeOFCZva9Wq2a

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4396	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 1368	4396	AcroRd32.exe	93
PID 4396 wrote to memory of 1368	4396	AcroRd32.exe	93
PID 4396 wrote to memory of 1368	4396	AcroRd32.exe	93
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4856	1368	RdrCEF.exe	94
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95
PID 1368 wrote to memory of 4380	1368	RdrCEF.exe	95

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\ad94e111d767916b4f74614039203c3a.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:4396
- 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:1368
- - 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=3514120FCF930266FA5FAAFB287CC93D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4856
- - 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=64F3CEFBEEE0BE0F1484BFEC1B4DB0BB --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=64F3CEFBEEE0BE0F1484BFEC1B4DB0BB --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4380
- - 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=D96D131A19961B1826ABA6DDD48FFF1D --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1592
- - 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=15F7CEB4C448D17DC7DBA27E721E9E04 --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=15F7CEB4C448D17DC7DBA27E721E9E04 --renderer-client-id=5 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3756
- - 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=C3F1B82ED62E40B8331DA7C93C9D819E --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5088
- - 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=F6442A8CF70C77DB9BF7283B2AE46DFA --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5024

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1848

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
6fd91c4cc0dc082b01f92ebf5e8e98a4

SHA1
b427bc1f083e36782bcd68707b005669b710ffdb

SHA256
57ef3d2007c296c36fdd676fed5a8e998a3ed4409f7a2599e96136d99af93538

SHA512
b224f3383e1cfb4477f17fd1a0c2c2bf7bf9c957d2b3cd94a16e1dd4821e9334b7be7d02bc3e221f0e84e544693a015dcbf800e7e12100525fc626e4f5403a86

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
memory/4396-26-0x000000000A0B0000-0x000000000A100000-memory.dmp

Filesize
320KB

Download