b6f9ac17bea30d3da714f69b1a3c41cb116631db0c75f153dbe00688f7d803e0

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 13:39

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General

Target

362b43f3b62fcc0520b0222f3bab1921.pdf
Size

82KB
MD5

362b43f3b62fcc0520b0222f3bab1921
SHA1

610239c8d1cd35ce45d472751d2caaed85521528
SHA256

b6f9ac17bea30d3da714f69b1a3c41cb116631db0c75f153dbe00688f7d803e0
SHA512

be3f81adb02d0861509c505831e5fa8e8df683c9b857d0a1a6f2caee5e8045e5feade5d5c77747f647a1d86cb4741e0ab5028ac23311304fb6734d62c0cc6f60
SSDEEP

1536:OMfwrVYaIzEvJBg/s8o1X8Fxij+jgGDWy3+W6v4V535gN0MTFcW8pO+sP7:ZwrVbmERft8yCjg1yUq3qNnBX+o

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5088	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe
5088	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 3012	5088	AcroRd32.exe	93
PID 5088 wrote to memory of 3012	5088	AcroRd32.exe	93
PID 5088 wrote to memory of 3012	5088	AcroRd32.exe	93
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 4964	3012	RdrCEF.exe	94
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95
PID 3012 wrote to memory of 856	3012	RdrCEF.exe	95

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\362b43f3b62fcc0520b0222f3bab1921.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:5088
- 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:3012
- - 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=9433B196904947662A6FFDAFF9D03CEB --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4964
- - 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=C0FB6D53C69175FD18CAB849979A3651 --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=C0FB6D53C69175FD18CAB849979A3651 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:856
- - 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=835DBBCAA646270C603D12D5B749304A --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4172
- - 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=C92C57413943A1420F85F7188D7A511E --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=C92C57413943A1420F85F7188D7A511E --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:60
- - 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=0C2075B6A3453DEB17E99B1DEF36586D --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2008
- - 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=E3616354CA9D026AE1C26016715B2500 --mojo-platform-channel-handle=2252 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3964

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4112

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
947043987f0a1dc588fe0271263a0d9b

SHA1
22edded68949ea16b410baf8d9580c8c17c766e2

SHA256
205d204ea739d182f9cb07fa26589e3ec6c3ea2523a6bc2fe81f491dadcd511d

SHA512
2b5922cbdbf7547df066993c8f3035d1d0aa29d9cabcc121dcce25c16a29fa7bd47ffcaa1c18e320d39c94661af8057a90ec43b4ac6366b409d543f2fbb012bd

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/5088-27-0x000000000B250000-0x000000000B271000-memory.dmp

Filesize
132KB

Download