63bd98cf9a3abde6e8df020ff9fe8c9f27fbe72bd97991319889a38ff35bce73

Analysis

max time kernel
146s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 15:52

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General

Target

3a6b074a77f27727f7b9bf116fc81975.pdf
Size

110KB
MD5

3a6b074a77f27727f7b9bf116fc81975
SHA1

07cac23f80e53f9ba9addb1655f4cd19008942eb
SHA256

63bd98cf9a3abde6e8df020ff9fe8c9f27fbe72bd97991319889a38ff35bce73
SHA512

3057106b98febc3f026f5253ac8f9ee498b8df94f397212765b4d893a1b1c2bf2950b4bd8a2678ed3301efefa63ed6914050293e16436448188d1974a76450a8
SSDEEP

3072:YNYwYEMhykIxI3TVi2Fqfs4pDERYqhcPcAxlbN6Ug:qYIO3wfk0DE6q2kn

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
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1352	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe
1352	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 2968	1352	AcroRd32.exe	98
PID 1352 wrote to memory of 2968	1352	AcroRd32.exe	98
PID 1352 wrote to memory of 2968	1352	AcroRd32.exe	98
PID 1352 wrote to memory of 3840	1352	AcroRd32.exe	100
PID 1352 wrote to memory of 3840	1352	AcroRd32.exe	100
PID 1352 wrote to memory of 3840	1352	AcroRd32.exe	100
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 2488	2968	RdrCEF.exe	101
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102
PID 2968 wrote to memory of 3104	2968	RdrCEF.exe	102

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\3a6b074a77f27727f7b9bf116fc81975.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:1352
- 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:2968
- - 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=A9A5A6F11B61BB434C51F67552248800 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2488
- - 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=81D3F9513911797635766446F932FA00 --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=81D3F9513911797635766446F932FA00 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3104
- - 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=EB87B4B716D2DD9E6E99EE7441A9CAF3 --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=EB87B4B716D2DD9E6E99EE7441A9CAF3 --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:444
- - 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=8DFBC0D6ED3A39D9BFFD423AC4955C89 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1924
- - 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=DF238463DDEFF7A67B246EFBF313B360 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3592
- - 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=88660B131EAD2E49E797316DCBF9203E --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4600
- 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:3840

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2716

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
a0b5d3f8734f092aae5a461f9725859f

SHA1
602453524e48670a2417329bd85199afcefdedba

SHA256
6b164d8dc41058e6f5028e49f0621c1e2568684864a5148e2189823e8819d839

SHA512
b19db6be43def0f2f285c489589564135305aa4ebe9af3568b5ae83e1da1034e596735abed0bdba01d1b16163c5dc6646b5ef8c8962cc51b89c3e67f756b1696

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