cb3ae841660edf6054c205b347d040dd95721dce2392957c0d78d87b7355180e

Analysis

max time kernel
142s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 04:51

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General

Target

4fa16888d7d1377596c617b5ca568ec0.pdf
Size

35KB
MD5

4fa16888d7d1377596c617b5ca568ec0
SHA1

e5aa11ede7a0e7315bde22ba43369ba2a69437c3
SHA256

cb3ae841660edf6054c205b347d040dd95721dce2392957c0d78d87b7355180e
SHA512

54e7d5b2fce9e00b799cf5e7341b2310e195169d4ccbffa8bf5ca7c16f7b21dd7df2aa5bf7f176c5b3a99ceafc345ecac5b357740a78d4ae453d6ca7654ddd8c
SSDEEP

768:BQMXD6+k9GlvQYLBR3rBPo5DGFzSD51V2DPvD5EoKO+AbRX+HbvC:BQM+0LBR7BPoJdD51APvD6ybRXcbvC

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe
4732	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4732 wrote to memory of 2612	4732	AcroRd32.exe	92
PID 4732 wrote to memory of 2612	4732	AcroRd32.exe	92
PID 4732 wrote to memory of 2612	4732	AcroRd32.exe	92
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 1004	2612	RdrCEF.exe	94
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	RdrCEF.exe	93
PID 2612 wrote to memory of 4744	2612	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\4fa16888d7d1377596c617b5ca568ec0.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:4732
- 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:2612
- - 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=65A149B7D57DDFCDDA3535655BC59541 --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=65A149B7D57DDFCDDA3535655BC59541 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4744
- - 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=31F8CC9194DB03A33AD0F0967980546A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1004
- - 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=ECF9E4D31409E5E5201992AB9328BF45 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2900
- - 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=90AFC9F3FC274AB8A62B1E03C85CF1AB --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=90AFC9F3FC274AB8A62B1E03C85CF1AB --renderer-client-id=5 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:408
- - 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=9F0E4DF1E9DEAE56B7EBDBB1F389BBD7 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:844
- - 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=DA59AF825D8C7A7497C5A70688C6322D --mojo-platform-channel-handle=2716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1176

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
3KB

MD5
f5b1f25b865454b039f2a476172f7840

SHA1
a6a3f37e67066cc69378022b07bd1b5329d9da2c

SHA256
814512b8b5faf528943e5816d9d99c0dcdf3cdf07096b7266ca2d7d74d9e20cd

SHA512
60ede8a757f279ec048ce839aa4365bf6e1d35b4468780fbc51ff8ddf334278b19242a3b92791d00ab66dfc23a122c6a1f9ce3da69c736a48b2b9d47929a8984

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