dc0342f21261b1c945fc2962d07cdaacd4a432bca96ada2b21cdda0cbf5c6c38

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 00:07

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General

Target

2118b7581932b772e69167ccacc55798.pdf
Size

88KB
MD5

2118b7581932b772e69167ccacc55798
SHA1

dcebaf8d523d716e923ef8a0e84ba12b09ed280c
SHA256

dc0342f21261b1c945fc2962d07cdaacd4a432bca96ada2b21cdda0cbf5c6c38
SHA512

6f37bd00eccb434a925006d69b9bba0719c181db601f50488d3b96cf5522146ebcb3d65b1869b3b0da774820dec7d5391340612c339ba27863f94d3e0cde4738
SSDEEP

1536:kWB4iZXklMB1WhWYoyJ3oPeONqNWOsgWi1UjoIIIyigyWQpOC6oo:hHKGfGJ3o/etsThgVCW

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4292	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe
4292	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 904	4292	AcroRd32.exe	93
PID 4292 wrote to memory of 904	4292	AcroRd32.exe	93
PID 4292 wrote to memory of 904	4292	AcroRd32.exe	93
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 748	904	RdrCEF.exe	95
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	RdrCEF.exe	94
PID 904 wrote to memory of 924	904	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\2118b7581932b772e69167ccacc55798.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:4292
- 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:904
- - 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=EBE5AA2FC5832D4193F3AE70B3FFA51B --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=EBE5AA2FC5832D4193F3AE70B3FFA51B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:924
- - 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=33DC3CA75AD4528734978A1BE334FA27 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:748
- - 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=4F2BB088C658887038824A9E13542136 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4668
- - 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=81A784FCD12B1B9200ECFFCCC495D75F --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1040
- - 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=EAD46D082133E93508483EA21597DAF6 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:936
- - 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=53D96FF551D2F29FFFFAFF2E9EB2B01C --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=53D96FF551D2F29FFFFAFF2E9EB2B01C --renderer-client-id=8 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4784

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4744

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
42a520eca6f07a44f7b3d16e617d6d21

SHA1
96441f4cd54430540d1a18a8a0dc60ad3138b992

SHA256
2b8bf4e12c52da55a99139c68bea82520e129c45b890bc7434e345e6e2341ef4

SHA512
f59ec0a86121fd71a3ba993a9fafd561385031b67c06f6974ae87bf7da0cb47156efefb73e472a75b8938c394fe1c25d5d18b5594be9d10a9bf048cd807bedd8

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/4292-26-0x000000000B780000-0x000000000B7D0000-memory.dmp

Filesize
320KB

Download