a4e527e1552703ec8bdce76689d3201ab5d28bf15965aaa571f5801f5b6a18cc

Analysis

max time kernel
141s
max time network
131s
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, 02:09

Sharing

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General

Target

0b29de506b45a6d0a7bb5f498b9050be.pdf
Size

40KB
MD5

0b29de506b45a6d0a7bb5f498b9050be
SHA1

ac43899a747bfc202fb234fdcb177d89911d373a
SHA256

a4e527e1552703ec8bdce76689d3201ab5d28bf15965aaa571f5801f5b6a18cc
SHA512

c8a5207b5657f919af7eb8748a2c08807ec374fd9cadb0ff8fa7d2799f1a0edf170a350ac557371f77a0c5bebb2d4258bb48c0ebb6a3e4b183e12137a5d1d68d
SSDEEP

768:gmPBwystfo41JxfSvAu/3H0pmXF+lL+gBYI77g+Yf63p:z5+tJ1JxfS4u/EpJDBYIng+Yf63p

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 3000	3888	AcroRd32.exe	92
PID 3888 wrote to memory of 3000	3888	AcroRd32.exe	92
PID 3888 wrote to memory of 3000	3888	AcroRd32.exe	92
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 4444	3000	RdrCEF.exe	93
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94
PID 3000 wrote to memory of 2396	3000	RdrCEF.exe	94

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\0b29de506b45a6d0a7bb5f498b9050be.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:3888
- 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:3000
- - 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=5F7172B8356EC8D0BA739C2FAE9C70DA --mojo-platform-channel-handle=1680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4444
- - 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=A817CEE48C8252EB8620B17C37F0986D --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=A817CEE48C8252EB8620B17C37F0986D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2396
- - 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=DC4735A1856A864E9E9B8A2C8A6B317D --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1316
- - 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=3C301B25DB871B640FFA70B67795370B --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:788
- - 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=D56EEEC2B9E8F25D40BC2577FB3CA133 --mojo-platform-channel-handle=2232 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4016
- - 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=FBCB6E339A2330E8677DCB1CB1ED7261 --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=FBCB6E339A2330E8677DCB1CB1ED7261 --renderer-client-id=8 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3192

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2828

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
0bd95df4f1364ddea737fc9eb51c4351

SHA1
0586984537e434e80a9a60c19deb46af5e00450b

SHA256
7e505bb9797af196644b87878b839557fbc27552d5596da7e7e5886e6b070ca9

SHA512
c52500294fec9b79262ba191324ac7460f859ff896deb84dff24183382bde12e2e66b933ccf340a2f0c520ff3b9069f283aaa9024ff8e3eab92297dea4178946

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
memory/3888-26-0x000000000A730000-0x000000000A780000-memory.dmp

Filesize
320KB

Download