4d40e7fddabfff173755bd6956efa53ab838a980c8a00bf865a62fad45579939

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 18:57

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General

Target

36216faa1b2421505d589c4ac84ee223.pdf
Size

106KB
MD5

36216faa1b2421505d589c4ac84ee223
SHA1

2943f2e57ea78416aed9d64ebd16436e9ca025af
SHA256

4d40e7fddabfff173755bd6956efa53ab838a980c8a00bf865a62fad45579939
SHA512

cfc88dcee00571d0b65e001382630c63fb742083b56bf934dd0f40a945d4adbdfb34d8097de6ca4beb1a65ac247d00bdb443f84fd7677daf11bd46075f15dbf7
SSDEEP

3072:MD7yJFcpnARBaOVEyFD+eA5ECqsxqKkuc9j5:MHk2ARBZuTECqs2x

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
900	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe
900	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 4984	900	AcroRd32.exe	91
PID 900 wrote to memory of 4984	900	AcroRd32.exe	91
PID 900 wrote to memory of 4984	900	AcroRd32.exe	91
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 4724	4984	RdrCEF.exe	92
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3076	4984	RdrCEF.exe	93

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\36216faa1b2421505d589c4ac84ee223.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:900
- 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:4984
- - 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=C3AD2E50193BE21671E92E434D1DE82E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4724
- - 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=BBB8C15589752B44B1E9E25287DCF6C2 --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=BBB8C15589752B44B1E9E25287DCF6C2 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3076
- - 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=F0698E2A67438EC0B20E6D3A0E3A7C6A --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3512
- - 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=983D823408D1896BFB15DA226D6E7687 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1784
- - 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=5768D7FB930AB946DF49CC1EC271B609 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:620
- - 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=B4348B978B67EEDE0AFAAB75C35A7B95 --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=B4348B978B67EEDE0AFAAB75C35A7B95 --renderer-client-id=7 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2804

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3172

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
a877b89928c9c8b63ee552e3c2c094d9

SHA1
efdb7453bb6b89b281a565348745103fd10defd9

SHA256
890e7ed9d6bb1a9632a4733f5d6f1ba7f3488cbe823f2dfc385572a564652566

SHA512
9170213f9d8dc66c49e9f8cca3777efb01a7427e149b93dc4112d0ad7286cfd49c23ff78be0332845198aa3c52aa209cfe8c1b032deeedab8198d133d497c1d9

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