638183b6fb522aeaad39147520f85665dfc24cef21ff7e2e1cef24ea6316da2e

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 15:57

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General

Target

bba96671a2e330b8439c9437d02bae1d.pdf
Size

50KB
MD5

bba96671a2e330b8439c9437d02bae1d
SHA1

c7e34d608c12e04a608790c0db876e1783ee70b3
SHA256

638183b6fb522aeaad39147520f85665dfc24cef21ff7e2e1cef24ea6316da2e
SHA512

02d601078f83addd1217fa160c6e58277bcc7c0bce48974e6a6f2829c9d48967c17c9466ff7b868f2fe643f43debb9edc31e3e253055dc337c1ec0f331970631
SSDEEP

768:z2eD3Q96myVTW8fiORMwAkteNai3bhIBaNvHLJE+pWWMjRoD04BeNlULkd:SeD3Q8L0Tia42aiS8HNE+pWWMjRcZMBd

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe
1636	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 1976	1636	AcroRd32.exe	91
PID 1636 wrote to memory of 1976	1636	AcroRd32.exe	91
PID 1636 wrote to memory of 1976	1636	AcroRd32.exe	91
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 1056	1976	RdrCEF.exe	92
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	RdrCEF.exe	93
PID 1976 wrote to memory of 5064	1976	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\bba96671a2e330b8439c9437d02bae1d.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:1636
- 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:1976
- - 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=D884748B44274871A4290445771F4B69 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1056
- - 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=1EDCD6222807EB6B5F359192FEEE412B --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=1EDCD6222807EB6B5F359192FEEE412B --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5064
- - 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=CDF19276CC7F16EBF829E1ACC799F895 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3688
- - 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=1B290A9B03B22753FBE7CD6A70DD6CD2 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3088
- - 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=F75F21F6443C4C5FBE010C250B948895 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4880
- - 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=101DB4FE2FA9351EEB6F714681DC27F0 --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=101DB4FE2FA9351EEB6F714681DC27F0 --renderer-client-id=7 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4604

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1444

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
8ed9cefbe108c5fc206d45284af15962

SHA1
08eca49dcdb9ee94b16fe22f41259bc45081fab5

SHA256
337dc5f8fa6c1040301822d591718795fb1bec637572a1c5efd1de30de62546c

SHA512
106828b4dfefbdf6f36204e0f6a99f0ce697ccebee750f7310f84be6e384a8f985a4a8ec79efae998e006f6ac1a6665eb7b7ece4db41efa9574590df8670ac07

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
memory/1636-27-0x0000000009D10000-0x0000000009D31000-memory.dmp

Filesize
132KB

Download