a3a1eaa2ff068b1f22ed4c357ea74a4649a7ba429a0b275ac866a798bc930c5c

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2024 03:13

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General

Target

52615dd7c596ce4bb0e183acf48c9f69.pdf
Size

97KB
MD5

52615dd7c596ce4bb0e183acf48c9f69
SHA1

56091ece55966e62bf4d43b583ac2db3208bde7d
SHA256

a3a1eaa2ff068b1f22ed4c357ea74a4649a7ba429a0b275ac866a798bc930c5c
SHA512

9083c79973b4d8a1661c853047a457a86224d571052d9e79cfdc20064383eca57196aa3200cd0650eddbc13377214527a1bbc7a1c9b4f6d0836e5550edf2c17d
SSDEEP

1536:foJZRc1ASfkyMJi9BMWV8Qfd4CgEybOj8zyO97UapufoWlDq+DjQiMa+ebuqGj6L:EZG7kyP96Q9fdwGCmMuAWlrPtgVZd69

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3968	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe
3968	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 2720	3968	AcroRd32.exe	93
PID 3968 wrote to memory of 2720	3968	AcroRd32.exe	93
PID 3968 wrote to memory of 2720	3968	AcroRd32.exe	93
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 2848	2720	RdrCEF.exe	95
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	RdrCEF.exe	94
PID 2720 wrote to memory of 3636	2720	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\52615dd7c596ce4bb0e183acf48c9f69.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:3968
- 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:2720
- - 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=21D25BFC64713B043138E76B9B99A78C --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=21D25BFC64713B043138E76B9B99A78C --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3636
- - 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=B2AF8BB4D4397F19A74551B0639CF65E --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2848
- - 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=F4F612D5982AD6F7CA3D12FF078E49AD --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3880
- - 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=C0629C8BC8C6824129FB9D0294CBAB8E --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4940
- - 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=06EED163ABEF941FE8C5FA6E2C42064E --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=06EED163ABEF941FE8C5FA6E2C42064E --renderer-client-id=6 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3588
- - 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=8F30863E8377EEF1D49D2F139D422AEB --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4024

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1664

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
27d20f2668aaec1ac4748f631de6b63b

SHA1
1e920712f442d5aa9e8b504167ad2a452b726b2d

SHA256
f12dd5da8aa39c0ad44b162fcb524508d9625b41ad1941168ac4fb1f1efbb2e2

SHA512
cde141921dbf333f0f2301fdce5ca52b3f66721af80e3564fde9a77fa7f0d4acd522f61cf757afe8b0e9a521101cf819252d988d58f8fa6f44cfe2b079f40cc3

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/3968-26-0x000000000B8A0000-0x000000000B8F0000-memory.dmp

Filesize
320KB

Download