1073700fe613310683e24e98a1340246373fcaab765677acc67f1b531496c064

Analysis

max time kernel
142s
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
14/01/2024, 14:18

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General

Target

5b744437222db783119efef505a320e8.pdf
Size

34KB
MD5

5b744437222db783119efef505a320e8
SHA1

00449a0c29161a7f2f96d7f2dad2d1d135f70936
SHA256

1073700fe613310683e24e98a1340246373fcaab765677acc67f1b531496c064
SHA512

5cadd961af7203df2ede5f3296cb1cd192c7d4c322e5b2bb0ffccc3538bd4a1ba0da6fd39592b8c3d8597ddc43c7e5ccd8415a200566b0afe21f2b982ddf4bdc
SSDEEP

768:h2IyvmOgnDuq2v+PTjkd3fUnPPfFfwzbLlRSd14:yvm592GPkd38V4zvlq14

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4124	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 964	4124	AcroRd32.exe	91
PID 4124 wrote to memory of 964	4124	AcroRd32.exe	91
PID 4124 wrote to memory of 964	4124	AcroRd32.exe	91
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 2900	964	RdrCEF.exe	92
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93
PID 964 wrote to memory of 4824	964	RdrCEF.exe	93

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\5b744437222db783119efef505a320e8.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:4124
- 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:964
- - 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=FEC5D93C4F4DCB1622C69F74FE911E44 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2900
- - 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=2F59AB72C6E06E8E0826CE4571ED708D --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=2F59AB72C6E06E8E0826CE4571ED708D --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4824
- - 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=85407696F970C05B06E845CE0CAECDB3 --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=85407696F970C05B06E845CE0CAECDB3 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3940
- - 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=DA5BE9B9FB0C1E9BDD24749989A80B2A --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4060
- - 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=682C12F0B8B89A34777411054B73A3D8 --mojo-platform-channel-handle=1692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2980
- - 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=1A15C1FC6CB3736A13B54CA45823B8F9 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4344

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:872

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
b2bc7bcb8f91e148d62d9370c67fa0e0

SHA1
da5295b2c9d080c9b8be6ab994c858d2a974f102

SHA256
ea7cc3d69a25f54df9895c03c6f612445c6664adec8b322c3830b571759799bc

SHA512
cad9e61851fe023af95587e6b497c4a55a59759895cad4f0a44bc60d9206c35f6560dc225a8df86a855f16b117a456ca509cd327c303586db76d968758b7075b

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