b7026b8471262b9a5c61b8f5adce31de179fbda315fee25162341d8b7457d7fe

Analysis

max time kernel
147s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 03:40

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General

Target

5ce6c1e17722c281059a58d469074927.pdf
Size

88KB
MD5

5ce6c1e17722c281059a58d469074927
SHA1

d2e19b3d217fd6ac3d8cce9177723c65582bbe3f
SHA256

b7026b8471262b9a5c61b8f5adce31de179fbda315fee25162341d8b7457d7fe
SHA512

7c9b41b2b0c7f94b553859b698c93536c35c4e25b96cd0e455220347e2ef20389d40bd9503e9b8f59b2ba82b0337e07a4e69f992bc5c03000960fc1b61816bf3
SSDEEP

1536:tD243ksbULTXSXBKgJrTIbVy3JaA0OYtQ07s5+bLIfuYSNfEPUvsro8o:g7sgLTXSXhJ38Ewhtf7s5MsfuYSVMUvj

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1940	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe
1940	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 1480	1940	AcroRd32.exe	91
PID 1940 wrote to memory of 1480	1940	AcroRd32.exe	91
PID 1940 wrote to memory of 1480	1940	AcroRd32.exe	91
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 2772	1480	RdrCEF.exe	93
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92
PID 1480 wrote to memory of 3248	1480	RdrCEF.exe	92

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\5ce6c1e17722c281059a58d469074927.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:1940
- 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:1480
- - 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=4C6257A5476DDEB85B11B94B25E60862 --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=4C6257A5476DDEB85B11B94B25E60862 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3248
- - 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=71BA63DD2DF62B6BF5FC94FA08C38775 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2772
- - 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=7E36DE3DCA96B67C543EB2C36B825366 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2352
- - 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=771F99EB2A6F0431EE183EA428CD8C8B --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=771F99EB2A6F0431EE183EA428CD8C8B --renderer-client-id=5 --mojo-platform-channel-handle=1868 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4100
- - 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=601A42A3D192A411D0A63DE3D17E940F --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1484
- - 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=8EDA9F00A5A16F20D739DB4245209DD8 --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5020

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1360

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
b644a7969dca03d46be7e7cc7b301508

SHA1
2c0b283b3399e0c3246885b2ad66540720c0a0fa

SHA256
2ebca4b8b66334df722363906457f3375d617bb1ddc2c112bb504d2c47bdaad7

SHA512
faca81d0fcb04952c9229afed3db8a7ea09a072c4568b4ba49d4f77dde636dcd6173d1170d51a43b54d18e6f93aab7bf1de76d20107159bee687700fd3520f77

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

Filesize
33KB

MD5
2103060bb98ab29382f1abf523eede56

SHA1
4c0eae50e0092689c0748e7b51dfec9091aa2397

SHA256
a9c12b3db9e077b1e85e9bda7200e05b7ec859c7b1092c306eb127c71747f89e

SHA512
8bd5d898bd8769589bffaf2b4b91f935446c6d7dbf69098a4f4e1ae8f960098238358158fb0130e47c9118f64ed4518230a38d1c7a48a3470f0af2de9f6bb807

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

Filesize
53KB

MD5
7b7ec97dfd5e42fd7e7b95164a1a5df9

SHA1
3241b88985b7007c559a07a8281532779c4b2339

SHA256
56723b27737e504600113eaa9a53304a9c08c790b04a3c03938aa979c0e68fb8

SHA512
5cd57d02baca0e8f751ad532ff6454d014998e9cb2bc5b5e5a1667f6bf37423c52b39c4df7325c004dd931e89dc8bf9b97a98f95aa05a1cf91e76c9f1ff02ec3

Download Submit
memory/1940-26-0x000000000BC60000-0x000000000BC81000-memory.dmp

Filesize
132KB

Download
memory/1940-125-0x000000000BC60000-0x000000000BC81000-memory.dmp

Filesize
132KB

Download
memory/1940-131-0x000000000BC60000-0x000000000BC81000-memory.dmp

Filesize
132KB

Download
memory/1940-137-0x000000000BC60000-0x000000000BC81000-memory.dmp

Filesize
132KB

Download
memory/1940-144-0x000000000BC60000-0x000000000BC81000-memory.dmp

Filesize
132KB

Download