7f3d1cc180db24cd1aa4f7599cd449979daafbbd9eeb567db9e0029e41f76ecb

Analysis

max time kernel
152s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26-03-2024 11:49

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General

Target

df178ef944f2ca588e4255a0166dcb5b.pdf
Size

83KB
MD5

df178ef944f2ca588e4255a0166dcb5b
SHA1

1a2681af5c02d73ecef7ac501611c78d6144c1fd
SHA256

7f3d1cc180db24cd1aa4f7599cd449979daafbbd9eeb567db9e0029e41f76ecb
SHA512

fe2db78177337146ce02e53145a4c191b4dd6ae9e7ec3ca66062116a452fc46f8878df854d7afe4f1564852b99e9148a7eef4a78000968c3de4a7eb05114bd59
SSDEEP

1536:8Sv8xRyuT7VwijJ7788a3e/srgu0vRbrFtJMdV93AI4fugZHa0gI:jkx4M7VVJ8800H3MdjAjfuAkI

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4236	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe
4236	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4236 wrote to memory of 5088	4236	AcroRd32.exe	101
PID 4236 wrote to memory of 5088	4236	AcroRd32.exe	101
PID 4236 wrote to memory of 5088	4236	AcroRd32.exe	101
PID 4236 wrote to memory of 2252	4236	AcroRd32.exe	106
PID 4236 wrote to memory of 2252	4236	AcroRd32.exe	106
PID 4236 wrote to memory of 2252	4236	AcroRd32.exe	106
PID 4236 wrote to memory of 4988	4236	AcroRd32.exe	107
PID 4236 wrote to memory of 4988	4236	AcroRd32.exe	107
PID 4236 wrote to memory of 4988	4236	AcroRd32.exe	107
PID 4236 wrote to memory of 3220	4236	AcroRd32.exe	109
PID 4236 wrote to memory of 3220	4236	AcroRd32.exe	109
PID 4236 wrote to memory of 3220	4236	AcroRd32.exe	109
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 1100	4988	RdrCEF.exe	112
PID 4988 wrote to memory of 4952	4988	RdrCEF.exe	113
PID 4988 wrote to memory of 4952	4988	RdrCEF.exe	113
PID 4988 wrote to memory of 4952	4988	RdrCEF.exe	113
PID 4988 wrote to memory of 4952	4988	RdrCEF.exe	113
PID 4988 wrote to memory of 4952	4988	RdrCEF.exe	113
PID 4988 wrote to memory of 4952	4988	RdrCEF.exe	113
PID 4988 wrote to memory of 4952	4988	RdrCEF.exe	113
PID 4988 wrote to memory of 4952	4988	RdrCEF.exe	113
PID 4988 wrote to memory of 4952	4988	RdrCEF.exe	113
PID 4988 wrote to memory of 4952	4988	RdrCEF.exe	113
PID 4988 wrote to memory of 4952	4988	RdrCEF.exe	113

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\df178ef944f2ca588e4255a0166dcb5b.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: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" --backgroundcolor=16514043
  2⤵
  PID:5088
- 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⤵
  PID:2252
- 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:4988
- - 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=89ED018AA0793284DA9BF02AC705D4DD --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1100
- - 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=8B47115C46261097BA566A03BDC18B83 --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=8B47115C46261097BA566A03BDC18B83 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    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" --backgroundcolor=16514043
  2⤵
  PID:3220
- 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⤵
  PID:3952
- 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⤵
  PID:3696

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3696 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
1⤵
PID:1508

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
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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
64KB

MD5
77743bd17faca205995e1d1e1e1f1f4d

SHA1
f15d0e448a20586056e29152279abca227fe3e25

SHA256
99838fc8fc0de2a2ebacbb41ba8a7db7612929b1857dd76d03242f464d073f11

SHA512
af22e70cbe99a7138cb64aef4bd8efaea235b396fd18d01c88a3118fb7774f430d6f6b73d20ed91533e3046194fb1187804222ddd453460fc3813a57aeb9be89

Download Submit