fa5b3cde1a320ceab2cc9ee96cf3d6d709466e47e3201235de7aa9a9fc0427ea

Analysis

max time kernel
142s
max time network
150s
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, 10:37

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General

Target

099588bb68b4feacbc6b65c6116fd5ce.pdf
Size

86KB
MD5

099588bb68b4feacbc6b65c6116fd5ce
SHA1

360879bfb9f0861e8cd2e2ea44dd4f223c86878a
SHA256

fa5b3cde1a320ceab2cc9ee96cf3d6d709466e47e3201235de7aa9a9fc0427ea
SHA512

d7e3f419ff883d738b9a5cf34c7009f39ca84aaf8fa2a4a6333b2a96c928c4897d9600e8de57757a32a2517d079ec108ad52d1ae747a4c6d456bc83ff80b51b3
SSDEEP

1536:Az4NqjBUkvVbA+LGIw3u6g/bNHtOYjqTz1OKd9NRW8pO73WW35UlvYGyeN:TNqjH5JweP/ZkYqX4Kd9NI767/

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4796	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 4100	4796	AcroRd32.exe	95
PID 4796 wrote to memory of 4100	4796	AcroRd32.exe	95
PID 4796 wrote to memory of 4100	4796	AcroRd32.exe	95
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 4744	4100	RdrCEF.exe	96
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97
PID 4100 wrote to memory of 3928	4100	RdrCEF.exe	97

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\099588bb68b4feacbc6b65c6116fd5ce.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:4796
- 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:4100
- - 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=216D77D23CA8C4178D575B6920B36401 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4744
- - 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=F2A47079476262DE8BD55C879AB1DFA4 --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=F2A47079476262DE8BD55C879AB1DFA4 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3928
- - 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=7F1E88DC9228E68BFCE7FE4F8072393D --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1476
- - 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=B82C5B2B86DADF6AE6CA017734A2ABF5 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1692
- - 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=04E1563B2F0675DCC3D76E1CCCFCD9AB --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=04E1563B2F0675DCC3D76E1CCCFCD9AB --renderer-client-id=6 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:772
- - 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=7F04E4DB113367DA578E851D323FFCD3 --mojo-platform-channel-handle=2724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:712

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2408

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
a039119bd9afc81bf59d20a8bac73e06

SHA1
a06b96cdf7ff703fe013185a53a2003be5a0219f

SHA256
0bbcf80bd4f12da8523c6cc06bf7f297bf852dd130cdc4df16dbc40e3a0095fd

SHA512
0f5415c110a1a77c5a788da2ee317bca44ee4aed5654c707da05c39300e49e97b684c46f3670feb9d239954967649c3ebd1ca3403231b6d69e5b3ec09fc5f255

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/4796-126-0x000000000B370000-0x000000000B61B000-memory.dmp

Filesize
2.7MB

Download
memory/4796-125-0x000000000B370000-0x000000000B3C0000-memory.dmp

Filesize
320KB

Download
memory/4796-139-0x000000000B370000-0x000000000B3C0000-memory.dmp

Filesize
320KB

Download
memory/4796-147-0x000000000B370000-0x000000000B3C0000-memory.dmp

Filesize
320KB

Download
memory/4796-155-0x000000000B370000-0x000000000B3C0000-memory.dmp

Filesize
320KB

Download
memory/4796-211-0x000000000B370000-0x000000000B3C0000-memory.dmp

Filesize
320KB

Download
memory/4796-219-0x000000000B370000-0x000000000B3C0000-memory.dmp

Filesize
320KB

Download