c339cb982863364b700aae0e1c8a89d94d2e19772ed7af00f44cff25cd4572ec

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 11:39

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General

Target

1623bbc84f7be20a1d9c53fce0f9d621.pdf
Size

76KB
MD5

1623bbc84f7be20a1d9c53fce0f9d621
SHA1

8f5db4b18dfd40299f415f1923c781c8e1af2835
SHA256

c339cb982863364b700aae0e1c8a89d94d2e19772ed7af00f44cff25cd4572ec
SHA512

467e3470d38f9d5f0bd3b9591c50a2545427849b7136bbb871a2567566a35dc96683c1da5679c2c83101e9c48992eafc6029ab02b737fcefb61166ab691aaf29
SSDEEP

1536:liAgPoZuzvEsvFYPawnj7wbW88HtIWH7ntN2O5n8TMWepOyBVC:o/oZ0vTqxnj7wbW8CX7tNxyZya

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3092	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe
3092	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3092 wrote to memory of 2272	3092	AcroRd32.exe	92
PID 3092 wrote to memory of 2272	3092	AcroRd32.exe	92
PID 3092 wrote to memory of 2272	3092	AcroRd32.exe	92
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 4712	2272	RdrCEF.exe	93
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94
PID 2272 wrote to memory of 724	2272	RdrCEF.exe	94

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\1623bbc84f7be20a1d9c53fce0f9d621.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:3092
- 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:2272
- - 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=BDDDC323C04F12F35C0FC6CA658C2FDC --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4712
- - 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=5682F3A67EE03CFB7BB11AC72DE18A13 --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=5682F3A67EE03CFB7BB11AC72DE18A13 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:724
- - 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=4051B22D084621589114BE16FD39A453 --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=4051B22D084621589114BE16FD39A453 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1036
- - 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=62EDA5ECF564E4D6D763D09A86F8AA42 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:8
- - 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=3132E7CB81844572B0B9DE66F76AAD3E --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4468
- - 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=5784B70241AB856FB6D40FDF7486D371 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3524

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1876

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
7c12ee1e3ac8b515d6d2a980d98b4381

SHA1
39bb8e7d77c1f6dcb2d7b7efc7e3fa00bd19349d

SHA256
3af4f4e33705e2b9efb93172f8e1f54b9127eb88e41d2f4233e1b8cc74b5c218

SHA512
5664a408270025d6db9da07c6f9a05e9774901b231f307a92493dbc3e341a3747a804892205ecc5ee70fedb75b6e4044e9e5952bdabe95d742361713d7ec31b6

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/3092-28-0x0000000008930000-0x0000000008951000-memory.dmp

Filesize
132KB

Download