3f6a528856438628fed777c3f76209f68a9b86c2c277b1b562030a41ad4b14a8

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 08:39

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General

Target

139b070003d5dae0b080f9e45b17946d.pdf
Size

40KB
MD5

139b070003d5dae0b080f9e45b17946d
SHA1

1280945944de7d678a6b70db7688112af45336c4
SHA256

3f6a528856438628fed777c3f76209f68a9b86c2c277b1b562030a41ad4b14a8
SHA512

490b859c2a38e742eb029c7bea303be8975a13b96eaaf98223f57361320fdaf943f54cc8ddc5131fccc7eb040d0d321e7ddfee2ad9673ed17a3cf0e9a23f3ae2
SSDEEP

768:Lan9igM4gG4mqvznRz0Q+uAm9oQ7IvOFIl4wZDqa/waxBB5pxKs:LMRd4DvZLxHImYWWbxp4s

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe
3448	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 1492	3448	AcroRd32.exe	92
PID 3448 wrote to memory of 1492	3448	AcroRd32.exe	92
PID 3448 wrote to memory of 1492	3448	AcroRd32.exe	92
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2172	1492	RdrCEF.exe	93
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94
PID 1492 wrote to memory of 2400	1492	RdrCEF.exe	94

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\139b070003d5dae0b080f9e45b17946d.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3448
- 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:1492
- - 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=C354AA06CBE2F5FF8F2F049D6BEA2F6D --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2172
- - 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=7976101CF4068630F9C3805534DEC472 --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=7976101CF4068630F9C3805534DEC472 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2400
- - 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=2639C6135AEB31AD6D209181DBA71885 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3128
- - 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=DE60D94D42A824A3CDB1C683EF303C90 --mojo-platform-channel-handle=1788 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:716
- - 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=DADC7583811A60576EED1B96436B696B --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4044

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2284

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
621884cf1057a461549f607cb107a80c

SHA1
3f236f6c6d30f4950b37ab0773604ce1db86d05b

SHA256
3dc9ce160c9016b602219ebeb105a9e847b3a11a98bd20699868c1ec99da5943

SHA512
b7fb7802bd6b0a4d01a953730adb05ae02bea94e064c26d4d081f119ef2c8e4b4eaa23700c8963ec28e1853fef1d82a6bd48c4802ff72154c9ed883584e8d64d

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