4ea93efe95f70daab2e8d9050fb43218c8320d1f501104400185076aecb67d16

Analysis

max time kernel
142s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 21:33

Sharing

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General

Target

0489527819d0f2daf5e0e687c5467a40.pdf
Size

90KB
MD5

0489527819d0f2daf5e0e687c5467a40
SHA1

eced5a06e28f021c4b9a23186ad632978a89005f
SHA256

4ea93efe95f70daab2e8d9050fb43218c8320d1f501104400185076aecb67d16
SHA512

16c9b931a981fba68285f235a104f2590e33e6ccbbd947b51fa348c256f76e46009c53c3c3cebfeba45ff8617d3b28e739809b9c1ec10a19fd6230476cbb5361
SSDEEP

1536:SF1C/4+TTERFKUYzwOAM6WC/MuTdw/RyWO4llFLiWQpOCoq9:YjIERg0zM6WcJwJnFLFCx

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe
2792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2832	2792	AcroRd32.exe	92
PID 2792 wrote to memory of 2832	2792	AcroRd32.exe	92
PID 2792 wrote to memory of 2832	2792	AcroRd32.exe	92
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 2496	2832	RdrCEF.exe	93
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	RdrCEF.exe	94
PID 2832 wrote to memory of 884	2832	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\0489527819d0f2daf5e0e687c5467a40.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:2792
- 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:2832
- - 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=700553EE1384E5CC514C77E9B62488BD --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2496
- - 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=754D821B6FD8FE696FC940DBA25FF621 --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=754D821B6FD8FE696FC940DBA25FF621 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:884
- - 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=FD58743E08D106747A9D457AFB26F553 --mojo-platform-channel-handle=2312 --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=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=FBC838E8139CE9684CF8768F366A335C --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4900
- - 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=A8BDB06DF295008928270C896C3D788E --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=A8BDB06DF295008928270C896C3D788E --renderer-client-id=6 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4624
- - 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=C1A13C6B4FE08F3F7181C0C579CB0323 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3660

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
9470ef5434255638efffbd0eb0c65e30

SHA1
02444d247f958a5baa3b4273400927344ee53641

SHA256
64ee79c64bd78f68ee3de2fbb2ede86bd58a670976fe57f7a2d348c95bd69f0c

SHA512
6d5062875f455ceea1c09a747b322164e514c1f2b53e5fb714bf9b15f6c432f3e9a3248cd89e9741057e5d230292003c11c33c1790bdd93b07f12fb51918cc9a

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
41KB

MD5
33e94094eb1b2c10b3a753379274e1a1

SHA1
364909611cebc862e6e99e0b3672e4a3ded5e9d6

SHA256
4880df69365eeaae0b8b9264a60bb0fae4b2d0991ee817c30fdc5884a15d6226

SHA512
273c43eae9b44a3151ee5e9c85176003c32e8a79f107b339fc1c73670309dba20b74158cf9916d5ab0f7b07c85d43966faa24630b27bd84b640ee55b15abde9d

Download Submit