8414be627531dced4f5f7931a53457aac6bb48efaf82ccb91bfd086e68010568

Analysis

max time kernel
165s
max time network
177s
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 20:51

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General

Target

1c3970bf8b2d5c2a2635322a4a821a8a.pdf
Size

73KB
MD5

1c3970bf8b2d5c2a2635322a4a821a8a
SHA1

4caee6a7e4baa3902e8cff2a4d8670bfe6367799
SHA256

8414be627531dced4f5f7931a53457aac6bb48efaf82ccb91bfd086e68010568
SHA512

e2967c4f59fc1268b97e654141bcb2e62066155eaa2e8b4f7e7fed2cd359c611ea578a251d0c82f06277d075a9ff2ba1f11f29b78f19cfe10a31b8d13c2648bb
SSDEEP

1536:u1RxeIG1hhukPmPm2vy1MZNpdA41h38OT0LIOQW8m3IqKQ4OCP:URPchZPMm2tZNph38pLMPmTy

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4704	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 4588	4704	AcroRd32.exe	91
PID 4704 wrote to memory of 4588	4704	AcroRd32.exe	91
PID 4704 wrote to memory of 4588	4704	AcroRd32.exe	91
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 2416	4588	RdrCEF.exe	94
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	RdrCEF.exe	95
PID 4588 wrote to memory of 3964	4588	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\1c3970bf8b2d5c2a2635322a4a821a8a.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:4704
- 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:4588
- - 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=C62C9D3E31AAF714F1A63411F596AB14 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2416
- - 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=50E82EC17A3AEB8B32960F22F3676677 --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=50E82EC17A3AEB8B32960F22F3676677 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3964
- - 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=32585961CC4366888941A7DC66298616 --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=32585961CC4366888941A7DC66298616 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1684
- - 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=064D71937BC78A45EE99C958BFC16596 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1772
- - 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=54F87B7649D61D93162B44F907CCB5A3 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3480
- - 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=9CCD04551D3349119BE6A24D37D456E9 --mojo-platform-channel-handle=2764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2348

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1372

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
97121df64bcea5e14ba32d02915580dc

SHA1
6dd40d8c308290f497d49d231968787e7ce7a4b5

SHA256
dd11a3775fc3cf37b98793ac3d54ce00cfb5dee63d86c5192cc62c3fa99f1497

SHA512
a2cae473e76461a9d67b3e53090466ccaf605bde2e219860f8b9a6e1d6201231ffb47f9f61ad19488785fad8971871df85cd0a76534f2f25dc6a2439a5b2f20b

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/4704-27-0x000000000BF20000-0x000000000BF41000-memory.dmp

Filesize
132KB

Download