e2ff3472d4c410f868e8a6c9e6cdf20f1a7d6ed5574d2fdf587eee5a704c4754

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 02:32

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General

Target

85b22352abc8da5fe11e7c92dc2de602.pdf
Size

46KB
MD5

85b22352abc8da5fe11e7c92dc2de602
SHA1

27ccf88933dd665964bc8b535911549f61984a57
SHA256

e2ff3472d4c410f868e8a6c9e6cdf20f1a7d6ed5574d2fdf587eee5a704c4754
SHA512

7aac3c0a6877c27591532d76d991dd7350cd95862c2410e4ed6eae1e69db369180a9ffdd1d99c4bf8c108fd139a340e46903f05be01cfcf10f27a10fc3ec7b9b
SSDEEP

768:2LLx4YYVqbfhHen0i2c12cb0rSqidFbeMGHD1+KtYRNCfRRLyMvkd:2LFpwCNeEZ+AONOHpvkd

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3872 wrote to memory of 2852	3872	AcroRd32.exe	86
PID 3872 wrote to memory of 2852	3872	AcroRd32.exe	86
PID 3872 wrote to memory of 2852	3872	AcroRd32.exe	86
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 3400	2852	RdrCEF.exe	89
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	RdrCEF.exe	90
PID 2852 wrote to memory of 4984	2852	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\85b22352abc8da5fe11e7c92dc2de602.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:3872
- 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:2852
- - 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=F80FFB2200049E5DA38BDF4E3AD67D48 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3400
- - 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=078AB6422C6630647CE0CF64B12355BC --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=078AB6422C6630647CE0CF64B12355BC --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    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=B96D0CB5C6770707D5C284AAE59CA6D0 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4624
- - 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=F8478D5227BB7B856E7F671777BA079A --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=F8478D5227BB7B856E7F671777BA079A --renderer-client-id=5 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3720
- - 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=F11C5F2CDF866F7A2433E8544D7F654E --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2320
- - 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=8F55F44A94FF88EBFEB3BD0D702C0500 --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3248

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3380

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
58d15e12fdd5633a6ebfbeb470c1a62d

SHA1
f7509aadee6edd113ddc2a39606366d1eb76b5b4

SHA256
0b90604a1b280324bd2172987d388140ae2115d55111f286b9648cc0178cfed0

SHA512
d1420b67db658cc511d44b499e4cdee4e30b0eb22b5a180efbca635064062aa5086dd2c7e1863dac3177253060f2a0b56ad54e5710b025f73f05316c79f8358e

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