7ab20ca0107f85b5ec838b76474e2c49f1295041f637f6c7130b745acecebf8a

Analysis

max time kernel
140s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2024 03:42

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General

Target

Stamps/NOT APPROVED.pdf
Size

6KB
MD5

d200cd4b96dd0c73525cbf7d7c953eb4
SHA1

1a4a350ff5c23a8175214ed0db4eb05a7dadb929
SHA256

15c80dbb1d8d99fe7bde382804492169d027b7e70d6ddfda817a7f1b3768ca80
SHA512

80cfc433a2d9634b4a88738773ea3003b4d2f1a838dbe7459a22c6102af003c29d498ca79e9596f6dd502ab68d0d0135194c3a6212ae40d4de35855a40544e49
SSDEEP

96:l1SWqLlXAZ/MmV/LY711FXPPHW/84py/OuqY9uv6TzDouac/feZXpETYcXDHIt:XqLlQZg5k8wy/jrouacM5Jc0t

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5084	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe
5084	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 4140	5084	AcroRd32.exe	91
PID 5084 wrote to memory of 4140	5084	AcroRd32.exe	91
PID 5084 wrote to memory of 4140	5084	AcroRd32.exe	91
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 3368	4140	RdrCEF.exe	92
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93
PID 4140 wrote to memory of 1656	4140	RdrCEF.exe	93

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\Stamps\NOT APPROVED.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:5084
- 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:4140
- - 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=8EC8C311E9947351029277F092F8A330 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3368
- - 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=4DB21BB9FA041552F286DFA83421AE81 --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=4DB21BB9FA041552F286DFA83421AE81 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1656
- - 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=8FCF3CE7202F9ECD31FC287AA6071E92 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5080
- - 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=F119BCCA71D0E3AF9BF1B13282F95AB9 --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=F119BCCA71D0E3AF9BF1B13282F95AB9 --renderer-client-id=5 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3804
- - 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=72AC5F4F5E5B4C500587723F327533FD --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3396
- - 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=A92E448ECE399D214F823F936AC13611 --mojo-platform-channel-handle=2828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4976

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
213308fcfc34339e7e3fc7ea45395a4c

SHA1
c0671459ef137a72dc0de026387facdd81cfa724

SHA256
33735395bab07e094db71eb9ca9b15313833d4395c4908989cdc67ab07668f11

SHA512
75397327eb6747477b6ce05371c11ac09f32ee0dfe394be68bbd858f5314543cc89ef7c18663b8a0b93e9fd0f8a5903ebcd9e5dd9625dfa87a43edf61a344028

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