ad0f15e7d413d0d23cdb88c0c10c352917b937cc4580173765761b7ea0cbb827

Analysis

max time kernel
159s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 23:51

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General

Target

d76403f487d761a5add5aea54f0481a3.pdf
Size

80KB
MD5

d76403f487d761a5add5aea54f0481a3
SHA1

98c70cefff207df4c63cbf939e0302cf48a88f4b
SHA256

ad0f15e7d413d0d23cdb88c0c10c352917b937cc4580173765761b7ea0cbb827
SHA512

2da32befe9e9f17e214299f45d515797df9f9d684daa6888bc5049d0e4ae6bb52baaaedb59ef58b4bd63b8adaa6f90d9b9a42161c0403fc5666f4f5be05b0ada
SSDEEP

1536:uK1PNYSPo3mIQta7A2NXPiH8vtXJxdJtU/pVYHRkr0YyZw3Lg0fHhqwiCSb39dw:p1PNYQ7Z4Us/iItZxdJtTRNw1Hh/S796

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
656	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe
656	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 656 wrote to memory of 1768	656	AcroRd32.exe	94
PID 656 wrote to memory of 1768	656	AcroRd32.exe	94
PID 656 wrote to memory of 1768	656	AcroRd32.exe	94
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 4932	1768	RdrCEF.exe	96
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97
PID 1768 wrote to memory of 2244	1768	RdrCEF.exe	97

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\d76403f487d761a5add5aea54f0481a3.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:656
- 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:1768
- - 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=2A162D7042739917575B6488DC9C513A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4932
- - 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=21B81396D8F5DFD83C6241196FF45C98 --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=21B81396D8F5DFD83C6241196FF45C98 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2244
- - 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=6871F0FB59874365E1815879964B0E89 --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=6871F0FB59874365E1815879964B0E89 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2508
- - 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=23F7265B5940238F780437524746BA41 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2076
- - 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=6ED0B66CD3BBEEECFC82BB9FC6F731DA --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2140
- - 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=3F5BFEA8AACEF53770120E20FA513466 --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3620

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
c633fbf19e3185887d4ad76dd6a3658f

SHA1
d5459aee792e219bd1ff5135a975f1981274e3f9

SHA256
6b6ec2d6ebe7eba7f170651cd48ee40420b1281eb8e1deb4aab5e9362b625ab3

SHA512
aee22582a2f61d261cc73fe8359e7c7f7f3eece8d8015c18699f2fcadd65e4115c78b478593355d0c7ca3135476dfc09658798a9422793e1ea5e69c0fbefc3d0

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