31874ec7e0a797ff1b23f2ef30151e7c362c648bf1e5e3e5480e771babf73a33

Analysis

max time kernel
148s
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
09/01/2024, 12:23

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General

Target

4e4b9d9e4a0864e5f8b0c79ac6f42392.pdf
Size

114KB
MD5

4e4b9d9e4a0864e5f8b0c79ac6f42392
SHA1

e6832371342ac957c030b8c6212b992eb45e5e2e
SHA256

31874ec7e0a797ff1b23f2ef30151e7c362c648bf1e5e3e5480e771babf73a33
SHA512

a91ca75173943ebb5b7b9e31aecb6cf3d1a88ed9f8b7f312548708ed0b95d59115b570b1d5be50cf4ebca5e05f42c851e578c8f6438b18137f9a1abd9715fd0d
SSDEEP

3072:xd/Jof/RIRrdwcjraSDqXIKs9xZ+1gFPPeo4plEthhV9:xd/43cPasqXx1gGaH

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
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2284	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe
2284	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 4044	2284	AcroRd32.exe	92
PID 2284 wrote to memory of 4044	2284	AcroRd32.exe	92
PID 2284 wrote to memory of 4044	2284	AcroRd32.exe	92
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 2184	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 3188	4044	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\4e4b9d9e4a0864e5f8b0c79ac6f42392.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:2284
- 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:4044
- - 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=05BCDA8246C33EED33BAFE66657B45BF --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=05BCDA8246C33EED33BAFE66657B45BF --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3188
- - 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=D93ADDE6FF837113B26CFF04CE481BAB --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2184
- - 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=6B9AA5648C3CE7BBB147F0BEA2E65AFE --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1264
- - 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=2AE7C854958D00F4DBE498C861C3D6C6 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1260
- - 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=472FA293DF563BEF0DB0A20F818884EE --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=472FA293DF563BEF0DB0A20F818884EE --renderer-client-id=7 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2600
- - 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=FE27F4BE4BC9A25F098FFEA87A62E3CE --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3272

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3996

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
4bcc54b5fac8814c2912e28d8eeb47bc

SHA1
b8b668314bd9e3e7700ce726d43edaac9dc99803

SHA256
7830e796faef1d776bd99e7394bb74453603c284e810080fe12f63c60d442783

SHA512
3421ea98abb722aee31e81dddd8535bdff85225027d27a20136e71214a2a0a2ee64cc73fe92602f1182020a6641cf31f29dbe09fec5073a9654b49c5c99bad91

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