24bb3c1e607778952a9b195ac55034ea75df27461f97c81bba9325ccb03ddee0

Analysis

max time kernel
150s
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
08-01-2024 07:13

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General

Target

4ac6e674b1b59075c4b54720dc7945d6.pdf
Size

42KB
MD5

4ac6e674b1b59075c4b54720dc7945d6
SHA1

c86a53f14a59c23b20c65f295ce87f0cbb594edb
SHA256

24bb3c1e607778952a9b195ac55034ea75df27461f97c81bba9325ccb03ddee0
SHA512

70777107b2a4ed74f27002aad2aff77a158feba824dc862f747fcf75277dd30ad90441e3868c86585340fa9a10c1f58b12e489d9dcdba6ab557d5c116ad077f8
SSDEEP

768:h9o1+my1nwGx/IVLAuA6YxlPecmN0xRndc2ulc3tjGN5e17:k1+m8wLdBQrPFxM2RtjGTg7

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3940	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe
3940	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 3752	3940	AcroRd32.exe	91
PID 3940 wrote to memory of 3752	3940	AcroRd32.exe	91
PID 3940 wrote to memory of 3752	3940	AcroRd32.exe	91
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4312	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 1128	3752	RdrCEF.exe	92

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\4ac6e674b1b59075c4b54720dc7945d6.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3752
- - 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=1BC2B1FDBD68E163759AA0671086AC3B --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=1BC2B1FDBD68E163759AA0671086AC3B --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1128
- - 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=26C235F3A6A0E9CAF29B1FED2BC930EA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4312
- - 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=B61CCA7764146365DF2D0021FE33F04A --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1704
- - 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=7528C46BC7C8FB013F20D933B014853D --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=7528C46BC7C8FB013F20D933B014853D --renderer-client-id=6 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:1
    3⤵
    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=086A816EED677F1B4AC1C8A6861801EB --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2956
- - 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=3B5242408C0730D9014FEF0C833F911B --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2616

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3008

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
929e54d133a54b82b0a5989709c3d25d

SHA1
f499af664f079b25316cf61f5095c8651e660756

SHA256
8fadbcc7327e8813d4744235b84f742232de4f9b55c1207577daaac9d14b6cff

SHA512
a956fe74f6d86a60ca54371ebe5c0c49a7b4e5dfcc78d19e10093946d9e7251f4b810701393c5d82896930bbeb48a522708dd70012eb6fea45e9efeecb19cc26

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