22e2ea42861a7ea0a54eb95d78e020b0f798cc770edb73746e7caf15d07f6fd0

Analysis

max time kernel
144s
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
30-12-2023 12:42

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General

Target

18da8569f64d2a9af5e4bee9bcffe725.pdf
Size

89KB
MD5

18da8569f64d2a9af5e4bee9bcffe725
SHA1

b9f1a8af8bdf1a42c8486b602a894c550de75ba7
SHA256

22e2ea42861a7ea0a54eb95d78e020b0f798cc770edb73746e7caf15d07f6fd0
SHA512

c5d941741b8310ac0bdc446d4526b987aa13fd5c0802f2330cf6cb7963aa508ee38a9135d5a5b773195d4ef78df70ab5c6afd25965472442948173676be74085
SSDEEP

1536:9S3GVysoqCdUyx9dlc6nQOrYO8JF6gaPbvVGbWkNpOPaWLFsHtamc6/MXiz4D3:8Qyrt3fLLhqkgaPbvVRP5SHtfc6/MGW

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
8	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 8 wrote to memory of 4624	8	AcroRd32.exe	92
PID 8 wrote to memory of 4624	8	AcroRd32.exe	92
PID 8 wrote to memory of 4624	8	AcroRd32.exe	92
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 3500	4624	RdrCEF.exe	93
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 4588	4624	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\18da8569f64d2a9af5e4bee9bcffe725.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:8
- 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:4624
- - 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=50DE61EB878BE0E1B138DA7ECAEB52BF --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3500
- - 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=05EEEFABC8B719D0E90520E60130540B --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=05EEEFABC8B719D0E90520E60130540B --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4588
- - 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=9577A832298425B64857A348DFE6CBF0 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3200
- - 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=6A01C9417E064F651D3C271226195E63 --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=6A01C9417E064F651D3C271226195E63 --renderer-client-id=5 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2064
- - 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=7D0C17975DF74AAFCE843247B33928D5 --mojo-platform-channel-handle=1952 --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=34AEAFBD49760EE16B9685E3CD54F848 --mojo-platform-channel-handle=2184 --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:1844

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
5973b5ba30209342ad4ff60e7ecca39b

SHA1
e02f3e16415eac7cccf4f13cf4ae9bf2008a52aa

SHA256
534f33b299838952f04b9ec49cc4d6cf4fb56d64c28db553a20acd5efc97a2da

SHA512
5213aec07ff42cc03878b7deec7a758237cff90977a939e5c9738d0c674a4e2ab58d4be7956f364ced72459b0e1737f6f356defd6afcfe88aac6e66326edbdda

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
memory/8-26-0x000000000BD30000-0x000000000BD80000-memory.dmp

Filesize
320KB

Download
memory/8-28-0x000000000BD30000-0x000000000BD51000-memory.dmp

Filesize
132KB

Download