af1b7970f7fce7c292910667a712943bdfe50048ea29e79ce443f7487e5a833e

Analysis

max time kernel
142s
max time network
150s
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, 13:48

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General

Target

38f0a1a562ef30e066fe31e9afac32ec.pdf
Size

87KB
MD5

38f0a1a562ef30e066fe31e9afac32ec
SHA1

490e4d9977860f025029d27ad38f6110d9ac5a76
SHA256

af1b7970f7fce7c292910667a712943bdfe50048ea29e79ce443f7487e5a833e
SHA512

c0dfbf400d7688be04be8552db95b3ffeb0d212cf233acc702115bfa73d14f582f71e250afbc51ba6dde1b229943bf77471143d74a14d44dcbbb43dad602168f
SSDEEP

1536:aoL3GgCqmMx/6HiWfZA/7u33XZtAbWQWD1983M6W8pO7TMdW+UaAklSoG:nL3bmMx/6HC7u3nZtAIh988B7YSTYy

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 behavior: EnumeratesProcesses 20 IoCs

pid	Process
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2300	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 608	2300	AcroRd32.exe	93
PID 2300 wrote to memory of 608	2300	AcroRd32.exe	93
PID 2300 wrote to memory of 608	2300	AcroRd32.exe	93
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 4964	608	RdrCEF.exe	94
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	RdrCEF.exe	95
PID 608 wrote to memory of 2108	608	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\38f0a1a562ef30e066fe31e9afac32ec.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:2300
- 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:608
- - 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=9B08C88047A25F9930456C11E2F797A6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4964
- - 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=15A9B5696E2585FB1F95A8C58DCE0490 --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=15A9B5696E2585FB1F95A8C58DCE0490 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2108
- - 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=6888B4B7593944C485793580E5CD54B6 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2776
- - 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=22E87CA715971648BFE31E2B34A1438B --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4424
- - 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=51F46D713B2336C1E91B326E69E82D3F --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=51F46D713B2336C1E91B326E69E82D3F --renderer-client-id=6 --mojo-platform-channel-handle=2492 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4520
- - 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=D539ACCE8164018CAF529BF5351DDD97 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4932

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:632

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
ad3103e3eaca6dc9f88bfd6fbfec8973

SHA1
752140ec34e37a6690be8a3adc5b2ac1d7edb9a9

SHA256
4c8351c0b099a8dcd9bb56e85ce1341440a1ba474e28edd775521053b67d6304

SHA512
6762fcab8758f478f9687d0d80a24a509052ae1d0e02b46f3073589a691e1fe912598199a17ac099a323291eda0cc3e00934198318483e60e8f57845477d5db8

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