22c5712e90d6f398b5753e54f49f9816e2c09d26228449753d3bdbc2274e65f4

Analysis

max time kernel
174s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28/12/2023, 21:33

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General

Target

f9a33ee79eeefb23a33a9ccd6fc6635e.pdf
Size

13KB
MD5

f9a33ee79eeefb23a33a9ccd6fc6635e
SHA1

13b3595b67d4a2ed64f2c3bf6a42a1b63efecbc6
SHA256

22c5712e90d6f398b5753e54f49f9816e2c09d26228449753d3bdbc2274e65f4
SHA512

44444b63b3df58de5f49e9a65eee4545bfc65d0d8842aed367861fbf71a258bf32e70daab4722352fb3e2a4a9d4fbc65e38ebb0b9f49be31cfbd9fcf7eddf389
SSDEEP

384:6hzaNwAO9GiJlDmlAloSAhmbZ9/HEXAQi/60G7J8vKIs:ahZGirHAhmbZ9zQC6dJiKH

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
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 1272	1592	AcroRd32.exe	96
PID 1592 wrote to memory of 1272	1592	AcroRd32.exe	96
PID 1592 wrote to memory of 1272	1592	AcroRd32.exe	96
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 4712	1272	RdrCEF.exe	97
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98
PID 1272 wrote to memory of 1636	1272	RdrCEF.exe	98

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\f9a33ee79eeefb23a33a9ccd6fc6635e.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1272
- - 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=718297B0B247B2EED02E5EFEF7E501C9 --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=346798A6BC6142C3A3FF127D28B488D0 --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=346798A6BC6142C3A3FF127D28B488D0 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1636
- - 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=8CA0A572754D36F5E28B675E2F1281E6 --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=8CA0A572754D36F5E28B675E2F1281E6 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2148
- - 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=913532C47A9A0D8DEDD045E01B87E5F1 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4308
- - 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=30170D284231D567C665A1867301661B --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3648
- - 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=F65ED26A3B24D2C0394DDD8CE1CE3F50 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4272

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3652

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
c2d2724352cd6957097f4b618e8e823a

SHA1
77fedc643020f4576de88a8d85e52ce6b392a08e

SHA256
c8c9176576810233835186914ffc89a7b347cf9831e1b12c21176560bb1cc5d7

SHA512
ea45447e306dc599f21f73eb10120c73c25d2cb8266ada786365bd3b65c7fd4a0f8a6de45bb8fedda4a5d52a21e9264388bb46ffe07db1dc6294c1ccdda1b6a6

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/1592-35-0x000000000B1D0000-0x000000000B1F1000-memory.dmp

Filesize
132KB

Download