fe227a89dcea7fa3399ab980cc75d5269b423a146c2d3474e3be351ffbfe2a11

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 11:53

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General

Target

86d3702b5159dd6a57e2412912a2d34a.pdf
Size

84KB
MD5

86d3702b5159dd6a57e2412912a2d34a
SHA1

7fcb99139a896ebcc202a30109e4f1657023ee03
SHA256

fe227a89dcea7fa3399ab980cc75d5269b423a146c2d3474e3be351ffbfe2a11
SHA512

3ca63169428fc06b0c5d139a0108229e1cb266ae1efff682bcaf542afa6d71b2a2c4825f4e8ab7f86758c9aeba481c046b9b20afc5a081a68265ca541d293eb9
SSDEEP

1536:DSq2LbpevvHjVpteQQp0rzG8EQ3yHSEjKPtFMWEWHpOvHr79G3HKWg2mhF0jvga:+BLbpev7/76QCHSEeRMvLc3HJmF0jd

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe
2592	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 5004	2592	AcroRd32.exe	91
PID 2592 wrote to memory of 5004	2592	AcroRd32.exe	91
PID 2592 wrote to memory of 5004	2592	AcroRd32.exe	91
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 3672	5004	RdrCEF.exe	93
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	RdrCEF.exe	94
PID 5004 wrote to memory of 2392	5004	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\86d3702b5159dd6a57e2412912a2d34a.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:2592
- 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:5004
- - 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=25D08AF8F7B1B6BC1E22C79F26E141C2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3672
- - 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=E41AF0C4323539A36BF85DEFEAE5F03F --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=E41AF0C4323539A36BF85DEFEAE5F03F --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2392
- - 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=B1DB28A8EB4AFFA3C6013F83BBD75F94 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3100
- - 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=23B1FCFEAF21B39B0820B08EA6473EDF --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4896
- - 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=392F007B4281EF2DFC89B1B9C7B4EB8B --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=392F007B4281EF2DFC89B1B9C7B4EB8B --renderer-client-id=7 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4872
- - 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=516E46397BE60EBAF433B0FDE13324EA --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3188

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1996

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
ef92a34ba8b97cce2cbb26d999db38b5

SHA1
fd7e486ebca1053e9f5d451b106b55b251902d8a

SHA256
6205480e5cd8cfbdce4f0532de0d46c55cf82c25b0f139f8187311890e1e02e8

SHA512
7decece498b1da49dcf018f080140f2613b7f1c4d0380f6d2b67d61fe771cc823616d6c418085493c727fb4c20167060fa303f401ee93b9a87db352c73f16627

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