c4964cb45b593b77f10343aa9b839d4f2e506dad049a59698e2e1dededc8887c

Analysis

max time kernel
144s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-02-2024 11:44

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General

Target

abce0fe482ef878d02fb1f8f0cb66b5a.pdf
Size

87KB
MD5

abce0fe482ef878d02fb1f8f0cb66b5a
SHA1

9ecb7cfa43521746e1cdef00c1646a19aa81393f
SHA256

c4964cb45b593b77f10343aa9b839d4f2e506dad049a59698e2e1dededc8887c
SHA512

d6a73d7a991b72a26cc2b3f708f7a2cf241152b4bc2bca5c483467942ee0b5202dde5fc25ce1528b4f9ab7f251e1eee2d4fe130044eed29545e828d08569217a
SSDEEP

1536:H41gr6U4Y/ojGHwFTemS1aNMhaqW+I2jwYWUVtSxku/HZTTitWUpO72VNzL:YZVYCAwF6mYmiaBhywcMku/53iQ7+

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4120	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe
4120	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 1476	4120	AcroRd32.exe	102
PID 4120 wrote to memory of 1476	4120	AcroRd32.exe	102
PID 4120 wrote to memory of 1476	4120	AcroRd32.exe	102
PID 4120 wrote to memory of 384	4120	AcroRd32.exe	103
PID 4120 wrote to memory of 384	4120	AcroRd32.exe	103
PID 4120 wrote to memory of 384	4120	AcroRd32.exe	103
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 2940	1476	RdrCEF.exe	105
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106
PID 1476 wrote to memory of 1120	1476	RdrCEF.exe	106

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\abce0fe482ef878d02fb1f8f0cb66b5a.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:4120
- 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:1476
- - 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=4BA57564BC9C9B52588F35CE0614149F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2940
- - 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=0CF1B047F649B156B72BC11C8F4FA498 --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=0CF1B047F649B156B72BC11C8F4FA498 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1120
- - 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=7DCD0BFE8D68AADE313A03228D1A8F2C --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=7DCD0BFE8D68AADE313A03228D1A8F2C --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1172
- - 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=C492FEE5656E1859C174034317FA22A2 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1624
- - 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=8DBD2A439967666A9647B7F7F84AEF88 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3964
- - 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=286B2BE4B81F8C880DBAB27EC154F980 --mojo-platform-channel-handle=2640 --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" --backgroundcolor=16514043
  2⤵
  PID:384

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=4068 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
1⤵
PID:1096

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4048

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
0db62d4dc6fa53b6df72896182825f20

SHA1
7eb5bd78b6c4e52599d25c0138665e012b2605d8

SHA256
ecaaaf8ee1ee68197d5160794fc911fb0723c105d0c199a877caefb2ecf7d3a8

SHA512
aee65a628f38c57975ddec8369657b3c05157fb3ef4c148a3c3c340fb52f2c55694e881f3e7eec2000d8bef7e334a03b4bc709f6deae778114a504b41eae4cf6

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