56782a4eb24f4837793a8f33126d551a0c0c987c57b10ceac0addf8d6071181b

Analysis

max time kernel
142s
max time network
153s
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, 10:54

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General

Target

0e22a3bbdb260c3dfde3ea3c8a0fde7d.pdf
Size

78KB
MD5

0e22a3bbdb260c3dfde3ea3c8a0fde7d
SHA1

a6243ef92d6a9d621b33acb51e5c19aab59a08e8
SHA256

56782a4eb24f4837793a8f33126d551a0c0c987c57b10ceac0addf8d6071181b
SHA512

c1f698d2dd50c881bdfd3a4e68dd060eeb647b80b94769e0ee57b8d1c740f4d27669b5cc6c48a22a627c457c3b28495109ca9b1773f50dcd953525ffb21a7fc2
SSDEEP

1536:wsff3uGrQuZptb0lEHNREembEWYc0nS/57aBAOWOpOwrKWYenDp9M3pn:7n3uWQ6tO3EWQSgBAjwrVnDp9M1

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3748	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe
3748	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3748 wrote to memory of 4972	3748	AcroRd32.exe	92
PID 3748 wrote to memory of 4972	3748	AcroRd32.exe	92
PID 3748 wrote to memory of 4972	3748	AcroRd32.exe	92
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 1288	4972	RdrCEF.exe	93
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	RdrCEF.exe	94
PID 4972 wrote to memory of 3012	4972	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\0e22a3bbdb260c3dfde3ea3c8a0fde7d.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:3748
- 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:4972
- - 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=54458A9BE6CA05C2CD1DFA6E7AB4D008 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1288
- - 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=2BA602B6806FE81018A7762E25A3552E --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=2BA602B6806FE81018A7762E25A3552E --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=16666CBDE53703A1C898DC6534793CE2 --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=16666CBDE53703A1C898DC6534793CE2 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1580
- - 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=C79694DCEFE04F7DE13E32329A4A1C13 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3584
- - 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=F47D85C1F844E7CFF7B66289D805F447 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3336
- - 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=C71ABD72C5F2B934498E85DA4AE6E858 --mojo-platform-channel-handle=2508 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3308

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2288

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
50131e3224ddf50588635392310430f1

SHA1
5cceb701db49d8b656d3abd0f7f3f63e0d79dc84

SHA256
1f4a2bd83c787e32131cf528848cc68d217dda08cf15c7444ab5ec077f15657b

SHA512
cd99069861d46abf76e642d24b0bffd1c6688812c305bdae92ba5cdff35d470d5d8b92ea46b997a9aa5fa874c8dfe3bb84616df810568d5f544aba13fce77698

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