c6a31d2be6ba21c73d1e44166e60b03d9d45e83ba282a352899cabfd37ff37e3

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 07:48

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General

Target

128dd104b9f35669db479373b6b1d701.pdf
Size

76KB
MD5

128dd104b9f35669db479373b6b1d701
SHA1

e6232775fce752246618967f42afd038cf572053
SHA256

c6a31d2be6ba21c73d1e44166e60b03d9d45e83ba282a352899cabfd37ff37e3
SHA512

7135236b8f9873e1430c3c521111b41b1dc84af3523124fc773a7a862802ada2a45ede2aacc8a46450f7f2b7973170991afc8d3336ef2484e852106920637801
SSDEEP

1536:etAQ2YRVV4WojfCCxKUUCZ0eLyqD2ofwFHWm2StCrGq8ZQyhGsa:C3orCzeL9EFHWmnCrGZQyhGsa

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 3388	2832	AcroRd32.exe	96
PID 2832 wrote to memory of 3388	2832	AcroRd32.exe	96
PID 2832 wrote to memory of 3388	2832	AcroRd32.exe	96
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 4392	3388	RdrCEF.exe	99
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100
PID 3388 wrote to memory of 544	3388	RdrCEF.exe	100

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\128dd104b9f35669db479373b6b1d701.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2832
- 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:3388
- - 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=29035199A1DC01E6BECC6823D6AD1CC2 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4392
- - 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=7624C0229F2BAA586FFD016DED320FC2 --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=7624C0229F2BAA586FFD016DED320FC2 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:544
- - 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=0C95DAFACBCD556C9156BFCD5A907D72 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4648
- - 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=87C4D99E2FB19667A6C565B1729950FA --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4540
- - 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=A37DC7AA2BF74E22FDC9EACAE81FCBD1 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1868

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3436

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
109d5e8b6545f90f10f7d251c462ddc1

SHA1
bf6b5291e2a08e9d739763cab7aa2e142a003f66

SHA256
6574a0a561207c1501b937c98c3ad6f83532e0190eb827b067c2ef87a2b3ddca

SHA512
f186cd091a93a8c522416f41be9006e0b33fbea9d9b1299dd7ddadcf54c0bd04cc91e5134a73b9a391d9641361a3b40ecc633e6e9dada6b47b602e15a54f4d56

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