4e067d5848b26cf753ebc05e8d6b1076dbddf102f5c45100176bd9c4173e5440

Analysis

max time kernel
141s
max time network
151s
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, 11:27

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General

Target

13e8501c9504152819df64349dc2e706.pdf
Size

78KB
MD5

13e8501c9504152819df64349dc2e706
SHA1

17d1d6aab43c8edcbb6a381f7f5fdda1c42a40ca
SHA256

4e067d5848b26cf753ebc05e8d6b1076dbddf102f5c45100176bd9c4173e5440
SHA512

4a158af6c2c0d71257081c112b3dcc034af13336f5c259c3ba8e8966aa83864e9ac97d0d09a50ec1bdea50aaad8c777641ea3edda3941d0ca268a57afc4bd5cf
SSDEEP

1536:F3OC/l2pMeMnJTTYXNAfN1Yej2iH4eWCpOViIWCSOfgdTbO5qKwtc1kmp:FOOlaeKyF+SJYzVibugpS5qlc1f

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3656	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe
3656	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 1220	3656	AcroRd32.exe	93
PID 3656 wrote to memory of 1220	3656	AcroRd32.exe	93
PID 3656 wrote to memory of 1220	3656	AcroRd32.exe	93
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 3344	1220	RdrCEF.exe	94
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95
PID 1220 wrote to memory of 1708	1220	RdrCEF.exe	95

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\13e8501c9504152819df64349dc2e706.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:3656
- 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:1220
- - 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=AFBB6EBAD8C7FABF4B3992CA7C37BC7B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3344
- - 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=E2A2BF34D271A4C89969F53CAFF3B3EA --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=E2A2BF34D271A4C89969F53CAFF3B3EA --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1708
- - 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=53EAD652E07D8EB7EDFB237DAC0482BD --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:372
- - 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=B8C998D926F00F1F3CF642A7777EEF47 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3012
- - 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=453C45240022C791243436F7CEDC8A8D --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=453C45240022C791243436F7CEDC8A8D --renderer-client-id=6 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4272
- - 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=B5DA139B6DA4C0D386438AEDCC8268FD --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3648

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4080

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
4cdb2c4799591b3f8d508a1402ebead2

SHA1
4352332039f76715f639099cea054fe79d693633

SHA256
74ff1cf94507f852387b836ade3eeb33d4e032c5372ba4eeddd484d798915ed9

SHA512
8e45cc4613eb44d05d92b16fb08e7011b9bd48909b2ab393faedd85ce97dab426e86befe3118215d77f7a844ffa06fe670fdd3c392636e497ff3756ec9a2120b

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/3656-26-0x000000000B070000-0x000000000B0C0000-memory.dmp

Filesize
320KB

Download