1d7c3b7210be7bc33475ca9ce49ff047d1a47a6015c93a0f601ddb239a8184ef

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18-03-2024 21:11

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General

Target

d48a2e2d0f384ff2dde0eeb0c35e09a2.pdf
Size

275KB
MD5

d48a2e2d0f384ff2dde0eeb0c35e09a2
SHA1

b294e3de6de8135f2923e905ea087cf4d55c13a8
SHA256

1d7c3b7210be7bc33475ca9ce49ff047d1a47a6015c93a0f601ddb239a8184ef
SHA512

449f2a34fb73bd85e7ee20ededdc4055eab71e275de8a947df288ffae143113a65041f2f28f7b02c62ba2a459bb063ab913b52dd96d2b1a28bae0f2b1b3a9acc
SSDEEP

6144:5RftJi1/58njGV8ogFT48V94iI8Bh+GW//eUupKn5ytS7J:5xtP7o4T74iI8y/WRG5Ma

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1420	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 2292	1420	AcroRd32.exe	99
PID 1420 wrote to memory of 2292	1420	AcroRd32.exe	99
PID 1420 wrote to memory of 2292	1420	AcroRd32.exe	99
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 1368	2292	RdrCEF.exe	102
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103
PID 2292 wrote to memory of 2592	2292	RdrCEF.exe	103

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\d48a2e2d0f384ff2dde0eeb0c35e09a2.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:1420
- 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:2292
- - 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=4BFAEC6F12BB7FC072A7CE387916D478 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1368
- - 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=4EE2ECBE919121739BB8BBB34F5C61B6 --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=4EE2ECBE919121739BB8BBB34F5C61B6 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2592
- - 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=D9A184C00EB1AA58F8B4359EF415E875 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4444
- - 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=AA2ABF2010F8B7CC0ADBB7A5F1750A90 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4424
- - 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=2E3079369902F8C0C5DC18ADD167D3D7 --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=2E3079369902F8C0C5DC18ADD167D3D7 --renderer-client-id=6 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5020
- - 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=1668E91F9AE169D0937893E5B5739C82 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4780

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
933b53727eb42ebad1915e188d8c48f8

SHA1
e976151559131b97ad2904ae8dcb620298d2842c

SHA256
56444fc33115121a3e6df2c6dbc363357055c8f5eaf360ad4493321bf44572c3

SHA512
328d614a43d65e305c35b81c65166da25ab5aa9e68893d3391ff876d8a08e8de2619a461333eb2726e54355e882389277df63c20653f9407f6c9558c0851792d

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