fe5e7373e572bab278f3535f8087759e21c3a576e8967977a91f8704e6d130a8

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 17:48

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General

Target

8781908d928d0a94f74bcaa7ab78132c.pdf
Size

12KB
MD5

8781908d928d0a94f74bcaa7ab78132c
SHA1

732f0486de43009c213404880de9f4d82efddccd
SHA256

fe5e7373e572bab278f3535f8087759e21c3a576e8967977a91f8704e6d130a8
SHA512

7e2243ede80dd1736bdf19f46b05a4eddfef24103fcfaee98b9891630d0fe860e86decf84f9cfe79c8ddb0de01004672a3009046af3bbc87846dd98b84dd31be
SSDEEP

384:DLEMMLEtysyfJ+mj3M9dZdl0s4YVegJJcg98pRPFOF++:Dg/gyF3Az4YVeg7cc3

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4112	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe
4112	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 1416	4112	AcroRd32.exe	93
PID 4112 wrote to memory of 1416	4112	AcroRd32.exe	93
PID 4112 wrote to memory of 1416	4112	AcroRd32.exe	93
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 5004	1416	RdrCEF.exe	94
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	RdrCEF.exe	95
PID 1416 wrote to memory of 1236	1416	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\8781908d928d0a94f74bcaa7ab78132c.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:4112
- 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:1416
- - 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=56AFB2BA62C54B5B471C3D22ADEDE033 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- - 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=98B70E1EC294FDCBCD87C6008B4C6A99 --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=98B70E1EC294FDCBCD87C6008B4C6A99 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1236
- - 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=B149563C503066AE89814721FC6E12CB --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2364
- - 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=F4229E285E8FF6CB4FA24D19C138BBF1 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4084
- - 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=60988C245B7F9390390712E144DE58E5 --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=60988C245B7F9390390712E144DE58E5 --renderer-client-id=6 --mojo-platform-channel-handle=1880 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3284
- - 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=AE5ACF7370A5E0F33A86DBAE302EC221 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2804

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4936

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
9d984b9f41a7410e52f032c685f7e4fc

SHA1
bf2a7b6d1acb94eef31a26c770209c6e62b175e8

SHA256
a23e1f52012c61eaf5571dd459a9799afa695ecbcc61f35693d3fe2ed463c472

SHA512
b79f5049633063f6712b41f000d3979e118ec93151ad723fff38fdf4b549ece689a21d56d6adb937423103acce48ef573ae8b4fb59c485366246c5bea4da3faa

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