e23450e9b0a5e9f4bc88bd0a14a9c097c64981cb121006ba6064c1ecec8bb15d

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2024 03:34

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General

Target

c79598e86123890533a83c37f8d43683.pdf
Size

78KB
MD5

c79598e86123890533a83c37f8d43683
SHA1

c360fe05d15c2ade80c4307d742b6ddaa2cf8dfb
SHA256

e23450e9b0a5e9f4bc88bd0a14a9c097c64981cb121006ba6064c1ecec8bb15d
SHA512

e88c4d13611be263c60ae08346eec936a26b11fad343f6ce1448bdbbec8865deadb11d4ed95e3fd76eb21b802f53598065c7e856ccca65b2b94f75b42f97d708
SSDEEP

1536:LebJ7qqgF+t6ppYCQoK4r3sdsVXM5T2/rBNsyXHhxnT91cRU2fNWmpOpVTayxH+N:SBqqIpFKK3sd6c5wrlh1cq2GpZayxH6x

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2976	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 3548	2976	AcroRd32.exe	100
PID 2976 wrote to memory of 3548	2976	AcroRd32.exe	100
PID 2976 wrote to memory of 3548	2976	AcroRd32.exe	100
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 2888	3548	RdrCEF.exe	103
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104
PID 3548 wrote to memory of 4848	3548	RdrCEF.exe	104

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\c79598e86123890533a83c37f8d43683.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:2976
- 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:3548
- - 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=1A48D0EEFDCC10A3A0E310DA1BE46EF4 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2888
- - 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=B1683C6FD4F64CC55E9AC27E60F416DF --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=B1683C6FD4F64CC55E9AC27E60F416DF --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4848
- - 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=18D1F95A5B23BBFE3A521298F4348C28 --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=18D1F95A5B23BBFE3A521298F4348C28 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4860
- - 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=98A22DBFE4EACAB7E5D84E55BF17F864 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2872
- - 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=1D6B3C1680A861D514C27F20305B87F8 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4156
- - 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=33A5162F4B522F47E9300966C2067510 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4540

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1436

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4432 --field-trial-handle=3084,i,11997299123381683778,5904351605020331957,262144 --variations-seed-version /prefetch:8
1⤵
PID:5796

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
0ccd78b936505f7c298e488872b0c692

SHA1
2f01f385abd9077e9ea261d1cb1563ecc8d45b48

SHA256
48d466bc22931b2765936b668ca8b987bb972457393007f724b31f7a0cb3eb52

SHA512
61dd8fcc1c9002c5c95ee7e456130aa58c07df50acf6c4d29a0d3021398a7d1b7fec030995bee75e02140a6fab806c00d410a51a46334138beda7e2491509399

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