4a291367f58f25aa89ae85e93b5b893b454bb3a5e64690f1bd615bdf4c7b228f

Analysis

max time kernel
149s
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
26/12/2023, 13:01

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General

Target

708c2015b4da861c69260cfcf4547b34.pdf
Size

31KB
MD5

708c2015b4da861c69260cfcf4547b34
SHA1

d7f01d9a0abd1c3e8823b9b6b810a8aab683a094
SHA256

4a291367f58f25aa89ae85e93b5b893b454bb3a5e64690f1bd615bdf4c7b228f
SHA512

b4788a86cfc56c24ab6818f9d1595a022c0df83dee99830c182cfe52f2766a2baf05c1a1f81ec84cea21516ad5223955e853fe7c731a384788a29a5c7c6d737c
SSDEEP

192:WysNHKsgEgEj/GiijAmms6dji4ANQF0vp6JXbptl25z1PHrIYAMz4E+:WysN0VOeLDAMz4E+

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
728	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe
728	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 728 wrote to memory of 4956	728	AcroRd32.exe	93
PID 728 wrote to memory of 4956	728	AcroRd32.exe	93
PID 728 wrote to memory of 4956	728	AcroRd32.exe	93
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 3152	4956	RdrCEF.exe	95
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	RdrCEF.exe	94
PID 4956 wrote to memory of 4144	4956	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\708c2015b4da861c69260cfcf4547b34.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:728
- 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:4956
- - 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=D36D1D614FF252B9AA58686F0B35F26A --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=D36D1D614FF252B9AA58686F0B35F26A --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4144
- - 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=B3261C41A742AD19F4DC8514017518A1 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3152
- - 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=E94078BDEC01F5C33B528F671F9AB4A5 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1556
- - 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=830934DCCE5A640D4972E23D007BD66E --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3544
- - 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=7D60DB7099EA5FFEE11EE9D4DA5CD1AD --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=7D60DB7099EA5FFEE11EE9D4DA5CD1AD --renderer-client-id=7 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1468
- - 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=4555D4730CA64B568D77E9FF7C5748DE --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3496

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
52fb0bbcb56c1e94bed72433932cb4af

SHA1
b91292d1aa75ae63d0cda29cde227dd747091da5

SHA256
7b85f49dbff51b7a4c3a799721cf4fdc6d3edd76c34d81b9ebc5a3019f850aed

SHA512
0cd0804e5688eddc37e3e5adcc4d0c5c85ada66a0d122b1eb6b6178373e7eb28c1057b3371b2350731db026a12d659d9e840212d584f8fc20aff45211451f680

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit