caab43de9a7b3b12f65106df2b0792168af1cc343adee8824a463360abc56a5c

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 22:54

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General

Target

789bc537cb0b9787ff4877e7cd9991c2.pdf
Size

82KB
MD5

789bc537cb0b9787ff4877e7cd9991c2
SHA1

1a4f94e9523ef937459cfc6e33c922d9f04e504e
SHA256

caab43de9a7b3b12f65106df2b0792168af1cc343adee8824a463360abc56a5c
SHA512

142484ebf6800cbd8427de0d16b8fa063316364c710b9c9671a1c61eb73216aed4a86e39792df6c6bdada380f63d4c1e2bbf865d51bbdfc28ce0ede9e47fbadb
SSDEEP

1536:MBSJpskPW8uBmJ8q8tZtMf3jxUzGezl4K8aW86ie0frWOpOwrNNSTkc:hsqWXBrtZtMf3j26ep4d8fIwrNNS7

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
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1612	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe
1612	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 4580	1612	AcroRd32.exe	93
PID 1612 wrote to memory of 4580	1612	AcroRd32.exe	93
PID 1612 wrote to memory of 4580	1612	AcroRd32.exe	93
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 3156	4580	RdrCEF.exe	94
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	RdrCEF.exe	95
PID 4580 wrote to memory of 4992	4580	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\789bc537cb0b9787ff4877e7cd9991c2.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:1612
- 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:4580
- - 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=C3604AD52E0D2C419E8731A1A27993B3 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3156
- - 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=947797E647192639C8600BE0C9107838 --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=947797E647192639C8600BE0C9107838 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    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=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=8F4A80A995325F0E54D541D0E2106BA1 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1992
- - 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=2378505EC8659DDEB9F70D343FCBBCD2 --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=2378505EC8659DDEB9F70D343FCBBCD2 --renderer-client-id=5 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3976
- - 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=31B9F5DC3859F6F0500C62710906E1B7 --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4172
- - 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=CF593A3B074BBBCDEB4A3413DA557B02 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2784

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4712

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
03d3b9c3721857106a3a412312824974

SHA1
44abd381dddfd321408404df00a2fb3a3a755be5

SHA256
58cc73c0072d925bd982fc96cbef86d1ffdd553a7b50d34901902afc2eedbb7c

SHA512
1cb15169360977d3f7fa0e388adfe2eeb7c343722a6d8ecc89cb317185bd28eab84a6bf3642b52693615d9eccb006ef440487cc7f6c8e3b6357242eed1d6bb17

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/1612-28-0x000000000B490000-0x000000000B4B1000-memory.dmp

Filesize
132KB

Download