4534e11159b9623c8168817a87d92771c04f1c5839691860d7f59fd2ab457db3

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 08:31

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General

Target

a16a8cda0a80cf2169f377c4fa27b0ae.pdf
Size

131KB
MD5

a16a8cda0a80cf2169f377c4fa27b0ae
SHA1

13639ac4d14ed344dd7f0a811b7ebec67d37f578
SHA256

4534e11159b9623c8168817a87d92771c04f1c5839691860d7f59fd2ab457db3
SHA512

16af2ddc2fcf17c5f7c8e0c6d98883756b9c9619dc67491a91ff02db45c6f6a4ed5a8e30af382e414ff1ece2323d694e2a58450c9da8784efb23e47de9b5e1c4
SSDEEP

3072:Jct4QD4HBrWf/dNNab8XFn/TlPCrH5mKZjgqQDgovCywuCC/td:Jct4Vy/LO8XR/JgH5PIz/H

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-1-5-21-3844919115-497234255-166257750-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
956	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 2512	956	AcroRd32.exe	87
PID 956 wrote to memory of 2512	956	AcroRd32.exe	87
PID 956 wrote to memory of 2512	956	AcroRd32.exe	87
PID 956 wrote to memory of 3520	956	AcroRd32.exe	88
PID 956 wrote to memory of 3520	956	AcroRd32.exe	88
PID 956 wrote to memory of 3520	956	AcroRd32.exe	88
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 2156	2512	RdrCEF.exe	89
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90
PID 2512 wrote to memory of 3176	2512	RdrCEF.exe	90

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\a16a8cda0a80cf2169f377c4fa27b0ae.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:956
- 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:2512
- - 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=A4A7DDE58A2BDC20C79CB9CFDED4201A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2156
- - 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=15F114E811B908F07190789C94BF25F1 --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=15F114E811B908F07190789C94BF25F1 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3176
- - 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=8BF6AD4A1111B407A026340B1D07C1BB --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=8BF6AD4A1111B407A026340B1D07C1BB --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    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=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=595C9D8D62F730865552D47A4F5424B3 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5112
- - 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=3A2F59966874FAE6D94E22612BE09BFD --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2804
- - 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=06E01F157FBC955D8254CFB6D2D45613 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2836
- 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:3520

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:824

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
838f1abd60fbd710761350586d4e5f75

SHA1
7644bd95795a49e60f8dd24a5fe16c06c12c7545

SHA256
826f7ca6955101799bf95450cdb72c911cd5e6e4244315b050668c20a68aea1c

SHA512
e5a4ec7e0d9e2eddf986edf09f5868f6ca2c16b700657dde6a2410c3e0618568940d422c3502689007352c951194b2c8f0aff7531134e4e72225a718de4beffd

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