6cdb09f62d198b52811c1e6b2d775331c1a571b7608d1fa027578aa0f8ac6b0b

Analysis

max time kernel
8s
max time network
151s
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 23:38

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General

Target

2044e67700e70cab1ce42b6c94c42a29.pdf
Size

76KB
MD5

2044e67700e70cab1ce42b6c94c42a29
SHA1

68dfee03b086a3a41acddab5b409bd3630173a5f
SHA256

6cdb09f62d198b52811c1e6b2d775331c1a571b7608d1fa027578aa0f8ac6b0b
SHA512

5296638467d99cf1400d4f2bdf66fa5fed0df21e94ca37c9be94ad7d42e20f3978891a76e78e57b7473300144c9c651d7716df2532d17640b4fc4e89620ef7dd
SSDEEP

1536:YU2s7Du3Nb8JjvD6hnsVisr40U9w0S5QQQvXsFeNvgYfVplQCakhB5py:DlPu3NbCjvD6hpma9AG/jVpTrBW

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1136	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe
1136	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 1208	1136	AcroRd32.exe	91
PID 1136 wrote to memory of 1208	1136	AcroRd32.exe	91
PID 1136 wrote to memory of 1208	1136	AcroRd32.exe	91
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 764	1208	RdrCEF.exe	92
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	RdrCEF.exe	93
PID 1208 wrote to memory of 4364	1208	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\2044e67700e70cab1ce42b6c94c42a29.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1136
- 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:1208
- - 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=73A72FB317218A43F6F9836C69B88C94 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:764
- - 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=369F0033ECFB07A085FEA2FB3138184E --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=369F0033ECFB07A085FEA2FB3138184E --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4364
- - 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=AF0A09E518BC1FE8B0D4C829433776EC --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2768
- - 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=F05888B2DDC426C9D30D4E37E403453D --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=F05888B2DDC426C9D30D4E37E403453D --renderer-client-id=5 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1368
- - 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=A319EFB1537ED84E6DC0B53724F27AEE --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3732
- - 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=1667BC604D1B956C32493E3EE2DBBDCE --mojo-platform-channel-handle=2380 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4000

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
da59c58783215c37ad469f635a83f501

SHA1
28c27607e18dd813ebbf8ebd5f17eef86c3658c5

SHA256
4becc53a7fc11dcd2e6c70f53bf8589c9dc537c3ab91e1f29450a954728c6c44

SHA512
0a14ad75ef42ce6b3a7d2606bdca52d7154e8a502bfebca619daaab054172c7d925fe02d9656261d162181d95d043f00f3b96c159526e1d2f05bf900f0da0c0f

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