d4076c370a487a0e43733addaae5f48e9b73fefb81c010b8646719a5dd20c1b9

Analysis

max time kernel
13s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 20:42

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General

Target

3c12a51a15d418279c3449e5927b961f.pdf
Size

88KB
MD5

3c12a51a15d418279c3449e5927b961f
SHA1

ee7d1fabb970b4b9736df80358ed30a649ea3827
SHA256

d4076c370a487a0e43733addaae5f48e9b73fefb81c010b8646719a5dd20c1b9
SHA512

db6539d29aea286bc9519b4fb662e145980abcc19a83d005552fd0bc1a8e273dc703694d4fbedd14b5f61674f3336fcfef9340188c8b91b15e56c995f1e0bd9d
SSDEEP

1536:PF+5hf+SFvL9XIX7tcfjX/nl/Tiguw0DT5vKGkSXuFk0WxIgunsLgJfamSAHYWaG:9+XtT9XIX7ur/lrijw0Jv5uFkhusLg77

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1104	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1104	AcroRd32.exe
1104	AcroRd32.exe
1104	AcroRd32.exe
1104	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 4808	1104	AcroRd32.exe	95
PID 1104 wrote to memory of 4808	1104	AcroRd32.exe	95
PID 1104 wrote to memory of 4808	1104	AcroRd32.exe	95
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 4840	4808	RdrCEF.exe	97
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96
PID 4808 wrote to memory of 2452	4808	RdrCEF.exe	96

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\3c12a51a15d418279c3449e5927b961f.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1104
- 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:4808
- - 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=09892843613C6525C7E42207EB78616E --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=09892843613C6525C7E42207EB78616E --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2452
- - 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=97C8F6274FFE17452904EC99838E4345 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4840
- - 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=FF903C2F4EF70770563B85862B6C641C --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4092
- - 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=11DB1F168DCDF5A6B97E565FDFB78E7D --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=11DB1F168DCDF5A6B97E565FDFB78E7D --renderer-client-id=5 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4928
- - 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=38392FB4BE40218CFBAE9D8AC1E371BA --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1564
- - 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=C65611D4B225BBC7BF9C455A2CD01A9B --mojo-platform-channel-handle=2376 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2544

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3132

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
60KB

MD5
535e4b0c0edbc42e3dca245a5eeac70c

SHA1
dd3944f7587c785d20388d9639345764d5a46d62

SHA256
c01221574f221463ae98fd9fdc103d24776d1c3961f8a3af469194a1aa7eb807

SHA512
c7d2b05ff64ce07cda56a56e4d78a78f01b851e266c9136c5c5c5605977123ee00f41776b82c169b171ba3f2eb931e67d4874394ec5ba701f364b7f04d668012

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
25KB

MD5
8f8f973afaf06cdc2077e3d1450c6209

SHA1
49bbfc90f29701ea96b2e26e69d357f883eef27c

SHA256
8de8855cf5815ab5a864a58a2157078907548e5326a2fbdf88df1e91f70e99c7

SHA512
c1a5dc0743b108dcb4b7a6ddf78a1949fe5fd48d3bbf1be6fe3fcda138a050434710c2421322cf1bb94081d2dff285a8dec546b1f7f75ddd190beb2091ebb16f

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
30KB

MD5
a86400840c24ff76bceb807e107cd382

SHA1
603f5f9d2218bfccc3d28e745ff2a36e0343e5df

SHA256
c63db3d87a84ac16de0b5ba9012282c8fb10837c008b67de680ea9b3fc0f6c62

SHA512
bce66e050b985384233eae3ed444965891a9bc27590aed370dc673acaba486089806f7209bbf8f0e79dbcc9e5d85f674d549e056cd418790bdc86b7d4c751cd6

Download Submit
memory/1104-26-0x000000000BD00000-0x000000000BD50000-memory.dmp

Filesize
320KB

Download