7565e54f6f9f6a5c86c273914d16b34607675772db45e9c522591de45b7a338b

Analysis

max time kernel
147s
max time network
156s
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, 05:24

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General

Target

ab1a53018d3b6720c2d7f9fee5df7b2e.pdf
Size

70KB
MD5

ab1a53018d3b6720c2d7f9fee5df7b2e
SHA1

f38709746f031f3ef30454417ce100d19cc33672
SHA256

7565e54f6f9f6a5c86c273914d16b34607675772db45e9c522591de45b7a338b
SHA512

af19ce4c6ac41518f44b0f443dd6ed5112253d17485ea41a29bc9844da0d0d82c5ddf3f10fd4adfae7d9b77a0cfc9445f85a4d56a08245dc3486bc30f96372c7
SSDEEP

1536:SaFKpI+gJKQ71w5pvaEOEBMuPpvu01nkJNKdgC9bsnNPxzc9b:vFKpaJj7u5VaElGakJEnbsn/z0b

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
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe
3472	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 3808	3472	AcroRd32.exe	88
PID 3472 wrote to memory of 3808	3472	AcroRd32.exe	88
PID 3472 wrote to memory of 3808	3472	AcroRd32.exe	88
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 628	3808	RdrCEF.exe	89
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90
PID 3808 wrote to memory of 4816	3808	RdrCEF.exe	90

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\ab1a53018d3b6720c2d7f9fee5df7b2e.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3472
- 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:3808
- - 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=88E613B85EBFB248077F17BE3EF5B4BD --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:628
- - 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=17D8B1A8BAD7913CED9081D62A8E7DD2 --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=17D8B1A8BAD7913CED9081D62A8E7DD2 --renderer-client-id=2 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4816
- - 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=5081DC05DA2571AA94380DF3428B1AAB --mojo-platform-channel-handle=2128 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2300
- - 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=0C0ABDC8DE33A5FC6E2D55B08993DD63 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3984
- - 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=B841478600BD285D2DB14B9E085F0879 --mojo-platform-channel-handle=2208 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2564

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2664

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
acd8853fceaa0cd7bdf866a7eb68ef5d

SHA1
81be70ebca2559722e99a906ce413829f43c77e1

SHA256
ac242df63a15dfcd0c8321aa76263875aedda0c89dd60fefbd6d7235d24fd8ed

SHA512
d710c4e125459675b2f17800bbd3de04939c5cf0f4632c024323493d644a2493af0a8ce3740a41aedc7f671512c8d29ab5c9fdb510795e9680178b7f16e2c4ae

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