0256fb210ece2353d5265ca2f5536e9204f7f3165528c0b5bc6adac702951466

Analysis

max time kernel
141s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 21:36

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General

Target

0496bca54bc8eec6b3d9f0399b1af26d.pdf
Size

94KB
MD5

0496bca54bc8eec6b3d9f0399b1af26d
SHA1

b465fe7e828cddd566d56e07e9acd21a91f9e03b
SHA256

0256fb210ece2353d5265ca2f5536e9204f7f3165528c0b5bc6adac702951466
SHA512

1757dfe4cee755479054539589c58c3a40560e10f336d5d2000f2ad3af9030f4d5d5ec49140e7bb14906103e0ad78a6dab686eb87208c37e65f61b728090eb98
SSDEEP

1536:FWM7zZsPVbLpUSjnm3bnzYyIzxYk1D5iWtI9qRRKIDz/en4wV2yNkIx3WQ4qW2pf:oM7leVbiSehINYIDAWt6IRKI3enrV2yb

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
388	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe
388	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 4196	388	AcroRd32.exe	92
PID 388 wrote to memory of 4196	388	AcroRd32.exe	92
PID 388 wrote to memory of 4196	388	AcroRd32.exe	92
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 1464	4196	RdrCEF.exe	93
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	RdrCEF.exe	94
PID 4196 wrote to memory of 4244	4196	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\0496bca54bc8eec6b3d9f0399b1af26d.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:388
- 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:4196
- - 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=02F4187B4904860FFF79090B40B8A9C8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1464
- - 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=01F174B8DAADACEBBBA89137ED0C5227 --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=01F174B8DAADACEBBBA89137ED0C5227 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4244
- - 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=47F82F191BF868550E3D27B30E9D8BA5 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4952
- - 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=CE4D1C2C8DB789A1A31E08B996957C1B --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=CE4D1C2C8DB789A1A31E08B996957C1B --renderer-client-id=5 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3124
- - 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=76BD3DD65B19D616505D1AC16BFA2CDF --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4048
- - 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=C8B49DB513C8F2B3D525609F25077380 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1680

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3380

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
bcbdf0b2f95222f0f64ddbac2c0efd98

SHA1
94c82fd1a8e69a910f69d2e5de0184919d0c6280

SHA256
4348ae1f055a251212c725ffa34303bcce32828f3765884814ce1049616b9e5b

SHA512
f7c968f5aa8eab7cae1c9e09a08e492dbd4c5fa7c3cabde7e50ed33d298f19d52e57690269e2d002dc891485d5099774b2226ab73a92c0ccdf4820693a3a9d99

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