85a32a7053d84b5f04d8d54bcc3d268209c105ab74c54e912afe917d7bd41a57

Analysis

max time kernel
143s
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
19-12-2023 22:03

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General

Target

b0b6484f888392efd257bb3d5dca6d17.pdf
Size

82KB
MD5

b0b6484f888392efd257bb3d5dca6d17
SHA1

8db5ccc9ce63ace26f32842783f58d2e5978f85a
SHA256

85a32a7053d84b5f04d8d54bcc3d268209c105ab74c54e912afe917d7bd41a57
SHA512

b92df8fb1043c6f363d45193595409e09df82d8c5d60fe253e3bbd03524faadfb4aa80e6ae349ded28e9a8d11d00d273e2c6b6bcfc526b715729c2005c0ca44f
SSDEEP

1536:2Mm5sHn5diJI8yCx9bSRVVqHCFsENwQixYq4DgWN0w/poRRCWXpO/xQ6:G0nSDyC3SRD4CFJmBV4DV0wxyy/L

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3004	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe
3004	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 3688	3004	AcroRd32.exe	92
PID 3004 wrote to memory of 3688	3004	AcroRd32.exe	92
PID 3004 wrote to memory of 3688	3004	AcroRd32.exe	92
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 5068	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	RdrCEF.exe	94
PID 3688 wrote to memory of 4328	3688	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\b0b6484f888392efd257bb3d5dca6d17.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:3004
- 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:3688
- - 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=31AA3E9C70DD4A50BDDECF09FCC8BC96 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5068
- - 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=9BCE91F2AABB2CA29258C6987AEC12E9 --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=9BCE91F2AABB2CA29258C6987AEC12E9 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4328
- - 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=1DE245BB1F612DEFB0DFE980BEA9CC40 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3620
- - 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=75DE0E863557050B37BF246149A91805 --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=75DE0E863557050B37BF246149A91805 --renderer-client-id=5 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4208
- - 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=3CBA9F27FB047DF2C4590C39851A9445 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4236
- - 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=8D2DFE3B59377C66CF062754BFF385F9 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4852

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4336

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
94eb303e3de3b46c12b2a2827ba257c1

SHA1
e8dcc7486cce7d8c78c938721ffa40db23463370

SHA256
990519c03d2271dfd4591411fbcba3cad507899d83842ef6f39fc0981585757a

SHA512
97f32e9d6d3291ab4262dfca4948f98d307044793c0a50c6ece31da8ba09e9de5d9c5d9c09e55a2575a9fb89888637fe25a9d8d0c224abe0d58fe21a2e3c3b94

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