c53dc0170082c10950ddf613ceefe18f2ef16c35583d44cf3789e0846a2a3a34

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
29/01/2024, 15:24

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General

Target

802e5f815a210418a1b20d1f97174c19.pdf
Size

84KB
MD5

802e5f815a210418a1b20d1f97174c19
SHA1

9313f53308724255510c7cb1230c5bf37ce9de26
SHA256

c53dc0170082c10950ddf613ceefe18f2ef16c35583d44cf3789e0846a2a3a34
SHA512

afaf30fc8fbd65b435e7d2b8714c8a0b471e172b2bdf394708c717d61bddbb6ddfd0d3a2e50ed333b95bbd792776945482a7de4256a13aeed57debbf7b941a7c
SSDEEP

1536:yK7NgujecX9RgHNw0T/ytoETM9agITH7WvGDvwuUrWpirj+EmG0WOpOwrUI5:y5ctel/ytot9IXWvGzwv7j+EmGRwrB

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
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5036	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe
5036	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 3156	5036	AcroRd32.exe	92
PID 5036 wrote to memory of 3156	5036	AcroRd32.exe	92
PID 5036 wrote to memory of 3156	5036	AcroRd32.exe	92
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 3768	3156	RdrCEF.exe	94
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	RdrCEF.exe	95
PID 3156 wrote to memory of 1112	3156	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\802e5f815a210418a1b20d1f97174c19.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:5036
- 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:3156
- - 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=A5516DF45A7A946A7BC3FC584EE29804 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3768
- - 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=8EC308E31E2905D3620715A3D0A8A9CE --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=8EC308E31E2905D3620715A3D0A8A9CE --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1112
- - 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=ACC2CC49E189F0D1D8CA0C480C67F64F --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3524
- - 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=C5B0C77AF0D4BE7A0C5ABE9ED849768A --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5068
- - 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=31A500F3ED57B67462D407AD557CBC54 --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=31A500F3ED57B67462D407AD557CBC54 --renderer-client-id=6 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4476
- - 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=824FE7F59D2724D71E73E70DFFCD71E6 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1900

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2584

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
62111c21625728d16f2080f90d0c496e

SHA1
a7407afeafdb735b7e42f2cb1ad73b57bc45d78e

SHA256
31c441123ffe968be6eff4a020a8c5911223b4e16f07879ce7b71baf2566eb65

SHA512
34c498d85cd3b5680b7d81ea0eac0308293ef6ca222bde0c0c87b543c6bd787cdbb61768a0c4887b7caf89f4c5efc62f5d949357c5b43f9009abeeb9353847ad

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