2db2ca2e7e7d329656a2eaf80655b057556cb6e3d024d417fea14324e604e79b

Analysis

max time kernel
143s
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
19-01-2024 00:44

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General

Target

6675e74d07d89a540540d5249a629f39.pdf
Size

78KB
MD5

6675e74d07d89a540540d5249a629f39
SHA1

361d303dbb806f897ac744ed049dc52dd488e614
SHA256

2db2ca2e7e7d329656a2eaf80655b057556cb6e3d024d417fea14324e604e79b
SHA512

b4f08b489eac42a4897ffb02a8c267e7bec2bfbc16be7656c12cc8d42c5666ae473c4f184fdd2a6cd4c571199eff67915e3c73300f4eb29baccc0929e41c3c77
SSDEEP

1536:exyo2L0rdHHrgs/2qjQ48n4RfsPzlzW8pO73WzXyilEllE55:vL0rdx78nUsPzle7oX5OlG

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 812 wrote to memory of 2744	812	AcroRd32.exe	91
PID 812 wrote to memory of 2744	812	AcroRd32.exe	91
PID 812 wrote to memory of 2744	812	AcroRd32.exe	91
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 3320	2744	RdrCEF.exe	94
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	RdrCEF.exe	95
PID 2744 wrote to memory of 4732	2744	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\6675e74d07d89a540540d5249a629f39.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:812
- 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:2744
- - 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=142460DB5A7A44D25AC7A116F1CF8027 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3320
- - 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=F2304776262A667E74513636CC57F929 --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=F2304776262A667E74513636CC57F929 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4732
- - 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=99FCA3C7437F7BCDBFA153E46BF4E89E --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4992
- - 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=31857628890D585A396D68D6C32B298C --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=31857628890D585A396D68D6C32B298C --renderer-client-id=5 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job /prefetch:1
    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=CFE5DF304F48E0AE21668FC5BEDE3E28 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3484
- - 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=EB36776C0A5D19C7E8DD59E2FC75251F --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:552

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3616

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
a21134b24fbd69c870eba625899d92db

SHA1
845f07d210548d60c1a0d1fc7d890753c382fe4e

SHA256
42b06567840c3a7b17901e68b66f07be7300791b9f2305f533bf8501fcd0f247

SHA512
d44b022a17c772e5f85e20b0dced99e4f5bae30cad3702258acd65f5977f12d73f1032b9de87c21205087dd23bc7143234b5aef9198440108c729fc3c1c6ff1c

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