35e0f226bd8830d3b03b87443c2c4f0f42c31091894f78ea6816ad68c30c5d78

Analysis

max time kernel
170s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 16:29

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General

Target

7ccd0dcc14cc69e7e15bc04408b1a5ca.pdf
Size

86KB
MD5

7ccd0dcc14cc69e7e15bc04408b1a5ca
SHA1

17a597bbdcd3468e47fc50c62c4af5441922b827
SHA256

35e0f226bd8830d3b03b87443c2c4f0f42c31091894f78ea6816ad68c30c5d78
SHA512

6263dedb7f2a2c2f9833dbabcc14820c3ed025e0ad1184305961776099fe27bd165b740a4565bf726a841bdbc1ec98ce07a7b984cf4e69a0549ecd4f2493f97a
SSDEEP

1536:4b4s4O3TRf3LXU+p5OGKXJhtTmpa/R0x9sAD4iVl6yDyBe0wxIPWeGPhpeiWUpOV:6qOVTj5OGKTUpa/i9x6nE0wOehped7p

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe
1780	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 4232	1780	AcroRd32.exe	91
PID 1780 wrote to memory of 4232	1780	AcroRd32.exe	91
PID 1780 wrote to memory of 4232	1780	AcroRd32.exe	91
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 4932	4232	RdrCEF.exe	92
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	RdrCEF.exe	93
PID 4232 wrote to memory of 3536	4232	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\7ccd0dcc14cc69e7e15bc04408b1a5ca.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:1780
- 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:4232
- - 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=C356F10EDED2542F9A1B481EB2B0F6CD --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4932
- - 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=B40E52725329F2BD08922EB07FE55420 --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=B40E52725329F2BD08922EB07FE55420 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3536
- - 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=83D0AE8B2EB0DE880181B2F419DB605B --mojo-platform-channel-handle=2320 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=A229881D9787F8878F1B8B27CD046F79 --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=A229881D9787F8878F1B8B27CD046F79 --renderer-client-id=5 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4996
- - 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=B0244663FBE02AAB02A67C80249D2CFA --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3900
- - 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=C857AF1EF78E53128A05295046E04308 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1360

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2896

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
a37067356a85b568d3dc5638b16291bb

SHA1
2af513eab9e25cdbba781c7e4d6fe94caceecde6

SHA256
d2ea6a2af288a1f884d0071ca5e49a6f695382daec41ff1b5267325af02326ba

SHA512
79b04d21867e0418c28f1b491118870bef7db67be14c6234b8de0b42cdaa49903757eeb95b807fc37dd5d2a41f036863f4a25fea6dbaf5588afcfd14228d7092

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