c612a7557b24d62d0b25f348bfa73b1b41d2d4c77505946d21d81597437ca382

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11-03-2024 12:13

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General

Target

c0918b64282035c279e4becf8b13c607.pdf
Size

43KB
MD5

c0918b64282035c279e4becf8b13c607
SHA1

c6816558aae8f5b8d53048a114bb12fb646841e6
SHA256

c612a7557b24d62d0b25f348bfa73b1b41d2d4c77505946d21d81597437ca382
SHA512

5520fc7fb00edcd3d9de321813c62788e2cbd20f6f28e996f63f34bbaea5f09c739577ac79b519b45a23eabf0a7d85006994a9076a77eeb48942d7cc68d1be2c
SSDEEP

768:vfJ9wQACuafFFDN2E6mPJwHrTsrjeDrG2Zx80:vh9wQTVLTyLT4aDrdZx80

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4888 wrote to memory of 3092	4888	AcroRd32.exe	84
PID 4888 wrote to memory of 3092	4888	AcroRd32.exe	84
PID 4888 wrote to memory of 3092	4888	AcroRd32.exe	84
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 2160	3092	RdrCEF.exe	85
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86
PID 3092 wrote to memory of 220	3092	RdrCEF.exe	86

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\c0918b64282035c279e4becf8b13c607.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:4888
- 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:3092
- - 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=57E068E396C7F8A9685B8BC251388790 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2160
- - 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=9AB073674980FC6D2E68339ADAC256C3 --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=9AB073674980FC6D2E68339ADAC256C3 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:220
- - 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=CE8517B5C71BEF60B21CCBE5A9A8BFC7 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4204
- - 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=2570F3FB25EFF4DFFA2B2356790C47D9 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1472
- - 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=5D0A3DDA9C4150528AEFFCF432428456 --mojo-platform-channel-handle=2484 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2676
- - 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=B0620124C2E51771D805F747BE17AAF3 --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=B0620124C2E51771D805F747BE17AAF3 --renderer-client-id=7 --mojo-platform-channel-handle=2360 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2764

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4976

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
ec737633037eef05ba66fb8921deff65

SHA1
9b6421f8e286e81abaaf6936ada7adf6cd0591a6

SHA256
bd821b8b6b5c34634c88063b06979a22073d84b24394b743aff99c0de7dfe677

SHA512
ba75573fdb0b2179d3bad80122b1057aa5e121367939df62ef88b2db97ea5aef4bfbb201659b4a78181038bd4239e5ce54f39732575dded91e444c015b18f13b

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