2f5fb16db55968dea65ac345d632b9c009d478c6091ea4a30ff27b33bffe86b5

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
28-02-2024 03:20

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General

Target

aadf70b88e6e652fdf5f6e1d4617445d.pdf
Size

59KB
MD5

aadf70b88e6e652fdf5f6e1d4617445d
SHA1

43b15c680ea707e091c1cd388c5b3bc56042ee52
SHA256

2f5fb16db55968dea65ac345d632b9c009d478c6091ea4a30ff27b33bffe86b5
SHA512

69249bb54c6fbb8c38475b18f7c514fe0da51cc6cc7512fb1305385f49871a532555d889bfb562a6d3f3efd750a67208445f04d0a5ef00a8efe72c7a363ce2ed
SSDEEP

1536:fhk/cFeQtvXYgGEUfd5UNd39ceYgHKX8Uub:C3GPYg5GU2eYwU4

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
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe
1428	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1428 wrote to memory of 4664	1428	AcroRd32.exe	90
PID 1428 wrote to memory of 4664	1428	AcroRd32.exe	90
PID 1428 wrote to memory of 4664	1428	AcroRd32.exe	90
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 1068	4664	RdrCEF.exe	92
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93
PID 4664 wrote to memory of 3148	4664	RdrCEF.exe	93

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\aadf70b88e6e652fdf5f6e1d4617445d.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1428
- 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:4664
- - 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=E4D60AB3A71D4570F05D12BE23A0AAAC --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1068
- - 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=724A7BFEE595EF2B1924C4A153A2184B --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=724A7BFEE595EF2B1924C4A153A2184B --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3148
- - 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=14D3FF6E11BDB68C5F874F186148C8E9 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3588
- - 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=6858CBFEF2A78DC178346754122924F9 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3164
- - 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=E9C40533DBD90C3147E419375CF1BFEB --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3788

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2732

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
587bcebafcaa2c31bbc88e0ce13c6d1f

SHA1
b8de7ddc1bc3dd4826fca559c1cc4efb24e01c2b

SHA256
714d83340e7d9ac64190a8323ed0ff73b16e8ceeca063b8ca48736473d6bb70c

SHA512
e3a63919ec9a94c221f6b291de94caeccb769c0edbc6379a3c4dba0db3579cdeeeee8af2b17e4210ff6db1c25709b7a8cbad5e760ff727b85f03ec1a9263d130

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