2e0a2377c4d478568bab8c94c4cefce0dee46de6bec48c317f9ee26a3159ea1b

Analysis

max time kernel
17s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 06:46

Sharing

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General

Target

3c298ad39a39c1ebed6a38c8517d829c.pdf
Size

83KB
MD5

3c298ad39a39c1ebed6a38c8517d829c
SHA1

bc5bd9449136ab795db3281bc791182323eaccdd
SHA256

2e0a2377c4d478568bab8c94c4cefce0dee46de6bec48c317f9ee26a3159ea1b
SHA512

20d3c9010e77764632924879f70a90986d047d407954bd06cb53cc1af1c7a48d095c3b21e1f40cebd8574274eae11dc4d348ba553749ebc7ea0fef7b087cb5b7
SSDEEP

1536:E4UaXUuZV0/Qg4kYpHYtIGictj4gGzfVEKpfoEmdmZGK2/D:2sN3cYp4tIGiejrGDV/fggZGKG

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1936	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe
1936	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 4932	1936	AcroRd32.exe	93
PID 1936 wrote to memory of 4932	1936	AcroRd32.exe	93
PID 1936 wrote to memory of 4932	1936	AcroRd32.exe	93
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 220	4932	RdrCEF.exe	94
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95
PID 4932 wrote to memory of 1888	4932	RdrCEF.exe	95

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\3c298ad39a39c1ebed6a38c8517d829c.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1936
- 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:4932
- - 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=0477A19C0BE3573B2F59FDDFB663258A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:220
- - 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=6A13E1358CC62C130D7232A27AB163F1 --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=6A13E1358CC62C130D7232A27AB163F1 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1888
- - 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=3523D22A4D28C45128D4EE013FFEC16F --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1048
- - 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=613B23C0AA5A6AEDC8081DBEBB40ECDE --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=613B23C0AA5A6AEDC8081DBEBB40ECDE --renderer-client-id=5 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5044
- - 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=857F0BC0AA3BD2D63F5F2B86AD1AFEBD --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4656
- - 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=F95457D2909D88625A75375B564A76D4 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3636

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3996

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
14KB

MD5
f46d7d60a3629f4458da3d38c3a73010

SHA1
f6752ecc83f090cd90093d1dc9860a1c435d0e8c

SHA256
c4fde1024322d3a820951b29b6505d9f541efb98547fb591e00e1372432ddcbf

SHA512
b12e3a6b51db8c99902b09c39d3c186a962c3b5843f651bc275c640ad35c282c751ff71437f37f1bba07168b7365da52d997044862bebe7c5fd976e10b848ab2

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
6KB

MD5
b974a19747fbf2461c72e6d5118ee9f3

SHA1
11341ac8aff4ffe8b994c5163e3620ce0a249b6f

SHA256
a7909a4383b07c7670470074fe842b087e7f4012b4c25cf650a969b239615cf8

SHA512
b8fac66bd254a2f4575281266f803bd6d196213165a822b0074302188538f4cda8eed0bd1f880fd25423bc86cc995bd5e55a9f815377f5544e23cb6599ff575d

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
51KB

MD5
66fd4b323acd41d76dc056cb2834c9cd

SHA1
462fe9eb321cf83ff1c287ebd57be7eb396e47ba

SHA256
58bc20b01d70b6e05b3724bf5bb6efe6e156a661650a593f5134ea13d7f671fc

SHA512
bdef2acbb9965a469c2097544f02e01ecde0787b03c77b67a2ba99319815ffe1a927d781301e23c2ec73c4d7980cbf6f6b4cc8657f93224c0dc41614c928f942

Download Submit
memory/1936-28-0x000000000BCA0000-0x000000000BCC1000-memory.dmp

Filesize
132KB

Download