1dfcacee2a28a1704bd50873c8715e6fab413536c554c7ccc90c7cc87efba7bd

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2024, 18:03

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General

Target

1dfcacee2a28a1704bd50873c8715e6fab413536c554c7ccc90c7cc87efba7bd.pdf
Size

6.0MB
MD5

3a086cce4e6a68fa7163f726179e8132
SHA1

bc26b9ae82d72ceb630ab845cbd993c212aa791a
SHA256

1dfcacee2a28a1704bd50873c8715e6fab413536c554c7ccc90c7cc87efba7bd
SHA512

3fc2068981b043776c146ad0d37867110bf0f54aff503d2f5e6f984109f11c8283d67acc266a7bac6fb649da331ced01b8a5b8e78bf55c0a90844d94d6f25c6e
SSDEEP

98304:S33kEth/yun58CrRtjp7D0RE/3sm0yuut8zzFgT8dP8RfNw9+YNuGh924sT5A:S3LzBrXZ0RW3s/wt8zzFHMNwXu2g5A

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4256	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 1704	4256	AcroRd32.exe	89
PID 4256 wrote to memory of 1704	4256	AcroRd32.exe	89
PID 4256 wrote to memory of 1704	4256	AcroRd32.exe	89
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4712	1704	RdrCEF.exe	90
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 4484	1704	RdrCEF.exe	91

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\1dfcacee2a28a1704bd50873c8715e6fab413536c554c7ccc90c7cc87efba7bd.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:4256
- 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:1704
- - 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=8F9253AA6606D7AEE979905BC3F3358A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4712
- - 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=A356F4662049192E2DBF1E0712024EA9 --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=A356F4662049192E2DBF1E0712024EA9 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4484
- - 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=DA3A7D6C609167A38060FB5606B59B20 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1752
- - 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=D4B962E18B97CADEAEA9B807B05FD3DD --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=D4B962E18B97CADEAEA9B807B05FD3DD --renderer-client-id=5 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:452
- - 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=3ED5D7A8E552D9528F25F296923F25FD --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4752
- - 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=F7996295A535060EB687A9C251FC90BA --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1492

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
988eb42252acd4370aa13031d22fbf19

SHA1
1c29acc76168d443b3be3c270c27c2601aca3bb3

SHA256
729fe51ee8faf997d9afee9d08534acbde1648fea87092ca2b6af499c15f6c23

SHA512
776475ee00150702bebd7d30236c0f0b68e3e8cb93189278e2db893a4950ef1fbd24d2f1b4533adef945fb133b0f98881bb8025770b7d01237be2f7ba70a87a9

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/4256-28-0x0000000009A20000-0x0000000009A41000-memory.dmp

Filesize
132KB

Download
memory/4256-131-0x000000000B200000-0x000000000B34D000-memory.dmp

Filesize
1.3MB

Download
memory/4256-134-0x000000000B200000-0x000000000B4AB000-memory.dmp

Filesize
2.7MB

Download