c5370b3c7120e489106c17467ec23e133ca89fc98d22ca18ba18b0037a83f1ee

Analysis

max time kernel
150s
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
25/03/2024, 16:06

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General

Target

de671db1ddfd11ac537d407afbbb2ba4.pdf
Size

88KB
MD5

de671db1ddfd11ac537d407afbbb2ba4
SHA1

05ca68a437294e07e0176e76c6e8b83ccad70482
SHA256

c5370b3c7120e489106c17467ec23e133ca89fc98d22ca18ba18b0037a83f1ee
SHA512

7a1d1d565a73a155c02d56dff4b9da0f6057e1c87d41893c4b3d915fb7468ce5a8fa3c31fde43ee732bf3bed8f9b9e35f65b8056aa50d36f7c0732e636bf8379
SSDEEP

1536:lQoQK/j3d0FgAXY573lvHduI48tQFA6Xh0veoMiUpgyZZqV8UxAawBEC6e2IWeKs:663d0FguY57VHdbHtD++VMiUpLOE16eR

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2028	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe
2028	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 4880	2028	AcroRd32.exe	92
PID 2028 wrote to memory of 4880	2028	AcroRd32.exe	92
PID 2028 wrote to memory of 4880	2028	AcroRd32.exe	92
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1328	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 2396	4880	RdrCEF.exe	94

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\de671db1ddfd11ac537d407afbbb2ba4.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:2028
- 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: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=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=F20912F5E0122F191F007BE1E4B65BE4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1328
- - 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=9088FAC6C5E546EC5C40D529185C1C1F --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=9088FAC6C5E546EC5C40D529185C1C1F --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2396
- - 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=671637CF0082BB28ECF33A81B8818D9B --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4308
- - 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=22BFF4A84F5E0DA1206B92F25CE5B70C --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3908
- - 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=564698D090AF079F1373CA5A679DCC55 --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=564698D090AF079F1373CA5A679DCC55 --renderer-client-id=6 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2792
- - 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=70BE36CF4C7FE55FB22F113A6D9228AB --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1984

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4416

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
7cc002335b92c34d2161ef2adf0f81d6

SHA1
fdca0e5ee8ce721f37f0fb263b582e868afe977d

SHA256
58d1f118d8d539862f48e9d268111fb2cf5e36a137d69db294b5c87b28fb4bf2

SHA512
5e0608550b225dfea73656787c62a09ea2d5af256b02c9835c709c1eb5d2e22e29dd130bc136138ee3d8b28851b4f85ab09ecee3834f88458c6684524d127fe4

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