cf39844d94b21524e389d02686b317beffaec10c0b43e6426794ff77741300ff

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 22:51

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General

Target

c44f86497bdbe1710d260442d5ba48c9.pdf
Size

77KB
MD5

c44f86497bdbe1710d260442d5ba48c9
SHA1

a6acf03958a3e3a74b3c9c7f5de1b3c6e4493129
SHA256

cf39844d94b21524e389d02686b317beffaec10c0b43e6426794ff77741300ff
SHA512

867c5259325f77ed7df84bf8ab14f4e2da1bdb210f446ef3a934a29638be445f2dd8df7c3a40fac178cde49cf63050817c4d158ce0cbb8f3b7d0dcd0c5157af8
SSDEEP

1536:diucZKt7HQAFFfjCaLKSN3gftZ6srouPy3T3MkZkEH0fGysID7i7:QuHHQAFvLrQ1NrTPy3TlZkHGysIDe

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-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe
2472	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 2804	2472	AcroRd32.exe	94
PID 2472 wrote to memory of 2804	2472	AcroRd32.exe	94
PID 2472 wrote to memory of 2804	2472	AcroRd32.exe	94
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 2228	2804	RdrCEF.exe	95
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96
PID 2804 wrote to memory of 452	2804	RdrCEF.exe	96

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\c44f86497bdbe1710d260442d5ba48c9.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2472
- 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:2804
- - 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=FACAF2EB4643AD81461B10E209C48F2B --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2228
- - 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=F7D2E64725E9A0A45728A4F2F441B2B6 --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=F7D2E64725E9A0A45728A4F2F441B2B6 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:452
- - 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=33E14B8FF98B48BCC2F39C1682B492FB --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3696
- - 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=287BDC1BB48EEBE68B1DE5C5299D8F20 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4104
- - 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=D8078DE33564EA9E540F91A5814218CC --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3792
- - 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=0246D614DBD3B1A0ED9830E7A3DB86F3 --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=0246D614DBD3B1A0ED9830E7A3DB86F3 --renderer-client-id=8 --mojo-platform-channel-handle=2496 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3760

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4796

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
3d0394d78dce2af6f9ffbf9e0477d28f

SHA1
900241a5e5eda658cb30b6510a8f77ec5f3affe8

SHA256
01dfb46d4b29381b936b1167469126dfca13fd1da6b0c8c93e2f470672377b2d

SHA512
7c268ef215ecdcbe04f407dbf1569e9815ca8c66c8ec1900c0d50fec387cb0561d149cba7fc56072224137db17330fba167ccbd6c6171aa7ffb472fe565c6133

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