3e6ddb6a6319bb6e7283e126618db522f731fad39b57d3d3d4d75c472ccbb04b

Analysis

max time kernel
141s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 09:54

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General

Target

ab9bbf424c84d2364f055561c6b0c2ab.pdf
Size

13KB
MD5

ab9bbf424c84d2364f055561c6b0c2ab
SHA1

8df3fdf1f46a9fb998f62c5195a4fc47058e7bc7
SHA256

3e6ddb6a6319bb6e7283e126618db522f731fad39b57d3d3d4d75c472ccbb04b
SHA512

3a837a3ec4280706cdcfa054926972e57ff528dc24002097fcdd3ef66e21d34bebe11fe3f44e1e470ab0636e39566e6be8957ee013f2e090b81d13499d9b5dd5
SSDEEP

384:6hzaNwAO9GiJlDmlAloSAhmbZ9/AGQi/60G7J8vKIs:ahZGirHAhmbZ9YGQC6dJiKH

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2564	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe
2564	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 1812	2564	AcroRd32.exe	92
PID 2564 wrote to memory of 1812	2564	AcroRd32.exe	92
PID 2564 wrote to memory of 1812	2564	AcroRd32.exe	92
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1896	1812	RdrCEF.exe	93
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	RdrCEF.exe	94
PID 1812 wrote to memory of 1036	1812	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\ab9bbf424c84d2364f055561c6b0c2ab.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:2564
- 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:1812
- - 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=EE3C0EF0F9BBA0A291FA11AE2ADC5F84 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1896
- - 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=6DC9732A8F921127AB61D8B6A98289E2 --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=6DC9732A8F921127AB61D8B6A98289E2 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1036
- - 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=1F76B5AD2D17F13C1B18120E07D731C2 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4460
- - 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=1AF5C739408E1FD9074A9FC9CA8D80B9 --mojo-platform-channel-handle=1828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2420
- - 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=E391D3C51A12FFE64C2DF9B23D087311 --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=E391D3C51A12FFE64C2DF9B23D087311 --renderer-client-id=6 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4192
- - 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=90C35A77DB09D01FAEB0264ED64C47D7 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3620

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1584

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
15cfaa05db416f23d3c3ee1eb30e5578

SHA1
a1d803a8d2dc79c3b29c51a7a6b3bdae57daec67

SHA256
497beb3bce980d6d614201c17150588bc89032f230f029afed343951441d0c0f

SHA512
7318c6dff8b8dda1d156aaf5c9a3a62eac1ba6eb1f7cc17e8d1c3c17e9305247c0ac2fb108724e6af68eb5a14da986f5b47de5806cb955f15732791072f2a9d3

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