0d5a51f8887169837e7bbba7b7a5377b9a04a1fbb941862a7dbbe6138c67a70d

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-02-2024 09:10

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General

Target

ab86ce2b78e75ae6af985c57dde5057b.pdf
Size

88KB
MD5

ab86ce2b78e75ae6af985c57dde5057b
SHA1

0609a1687cc008673a07445a300b2946635cc02e
SHA256

0d5a51f8887169837e7bbba7b7a5377b9a04a1fbb941862a7dbbe6138c67a70d
SHA512

d805a0dffdddc86b033bb1d60843a66f496ab24d39c57fb7e65600d496c9dd67ce8879240b341aaf586d9b2a7c20aac06e8ec4dff5bf5919bec40b8aaa3f25d8
SSDEEP

1536:iWMLXfO0IZnrYNi72I7vY10gqIUszBwDZYiFeT2WxApOGzWQJLq/ofDRa6:sOpprYNMDYWgqDY0Z3Uj3G72QfDl

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-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3180	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 3164	3180	AcroRd32.exe	91
PID 3180 wrote to memory of 3164	3180	AcroRd32.exe	91
PID 3180 wrote to memory of 3164	3180	AcroRd32.exe	91
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 4688	3164	RdrCEF.exe	92
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	RdrCEF.exe	93
PID 3164 wrote to memory of 3456	3164	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\ab86ce2b78e75ae6af985c57dde5057b.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3180
- 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:3164
- - 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=13D86831805C2248B382D4A0C59076A5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4688
- - 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=C144537D77AE42D1875501F483640084 --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=C144537D77AE42D1875501F483640084 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3456
- - 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=AD1B88C09D44A963469F54A42778DEFC --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=AD1B88C09D44A963469F54A42778DEFC --renderer-client-id=4 --mojo-platform-channel-handle=2324 --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=80E7C4C933131CD74AF52082CF14138B --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1840
- - 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=B93C9319B73E809CE1E6736C79FE2775 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4892
- - 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=52B863D65A1AF051B5224E84B71395CE --mojo-platform-channel-handle=2900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4888

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1080

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
ac85ebdba298c7e7f0e770019bc3b69a

SHA1
6131120602572d841cc4aad6afe08ea99c9bb4dc

SHA256
e3def64ff857515b028c1b56b1306242cf966a8bba3dfbf97b13372efc493156

SHA512
26941b3af30258dc85fafa7c408734d5d12117053c21d3836d5d492f027a342b5b2dbeda481e299ab71c267453b76efcee6bda7f444b5ecf91e8849957269d04

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

Filesize
64KB

MD5
491a25ff96adb890a2935b1a0a6a68d4

SHA1
80fcc783a9f630c296a38f55de3f9e0ca5523272

SHA256
91fa13d49276fcbf56a4f3fa56f0874e132ff349853311a54c29dcf1c0ce0371

SHA512
7524c56f53de2f13f7df467dd40023a93847e51faf0dc8f48ce961e9d939cea9f785d73cf178f56fa72b8cf0836993d829246abd40c3f8f1aa95482072d72e3e

Download Submit
memory/3180-31-0x000000000B570000-0x000000000B591000-memory.dmp

Filesize
132KB

Download