d5900ad88a474e880d849ea012795f15c040e2c0a6490035f9d7d9bde45f5f4c

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2024 05:22

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General

Target

7eff2702d1c2662a2463a5148b5781b1.pdf
Size

47KB
MD5

7eff2702d1c2662a2463a5148b5781b1
SHA1

2d909e0c5616d87e5c0fd594490d0abe925a9ce4
SHA256

d5900ad88a474e880d849ea012795f15c040e2c0a6490035f9d7d9bde45f5f4c
SHA512

2a2ffc8e0446970488ccfde7f18849c1440fc3f5ed7bed887c27e4c9add54ad81b9780a3e0bd56c53772f7e19ce066d7444936c46678462ead75918abfa1bc45
SSDEEP

768:hIKfbedeEQwYLi+fRRwfiTnpmbPEhBYsmxmsoQY89YasqjTpK2fFNvVK+:hIKzuzYlHTkPEhBYRY4YaTjTpKAvVT

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4256	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe
4256	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 2220	4256	AcroRd32.exe	92
PID 4256 wrote to memory of 2220	4256	AcroRd32.exe	92
PID 4256 wrote to memory of 2220	4256	AcroRd32.exe	92
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 3404	2220	RdrCEF.exe	93
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	RdrCEF.exe	94
PID 2220 wrote to memory of 1400	2220	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\7eff2702d1c2662a2463a5148b5781b1.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:4256
- 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:2220
- - 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=8011CF21437632268808AFB51D00E332 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3404
- - 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=9F592A2DD04E2DD5480FF2E6077C92B6 --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=9F592A2DD04E2DD5480FF2E6077C92B6 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1400
- - 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=4E4E7C12E5993FCDAC538540527C2949 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1832
- - 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=2A1337BC588314434EDCF8285B583039 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2584
- - 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=A8FB4D6F2A51BCF88E2069D3DF8767EC --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3332
- - 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=8FC911F9B0DB946D83EACBBD1C2948D6 --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=8FC911F9B0DB946D83EACBBD1C2948D6 --renderer-client-id=7 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4656

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
fd420643b5cd2d51409c9830603497ed

SHA1
0d58507e8310ab1f63dded63dd5e3b1133b94948

SHA256
582b05df245137f0a3ae76cb38cee5e89d8b6c5250c8853b30bfa0ac3775d41a

SHA512
82643e04bfb5c963245a8d4e3f4a6d1bdc082936911cd000d22cf410f9b0dc0d57462d20c1d2f2b29b0c7c5bb135462d739548f7d4c289a091915c76ed85017d

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/4256-25-0x000000000A140000-0x000000000A190000-memory.dmp

Filesize
320KB

Download