7f9c0fb94691a553de0dd731f581c4da828332badd2ab6e63b9f99e5ab5561e9

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2024 09:56

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General

Target

71eccb3e4dc0e90197eb72c6ac70032b.pdf
Size

15KB
MD5

71eccb3e4dc0e90197eb72c6ac70032b
SHA1

eb527cda00e2180255f48f5c7c155e6b36f2671d
SHA256

7f9c0fb94691a553de0dd731f581c4da828332badd2ab6e63b9f99e5ab5561e9
SHA512

c8213afe3855d94ef443cb20ceccf72596a3a3752ed0fd618108f6cea0a972a6ec6c0cbddca1ab274cd58bb9f0da3679b8644090514b47d172da9144748e6e68
SSDEEP

384:qsFlS3K6XgKV7cAgdOpW+0blkJ5+4OfqWIUPr:agGzpDCGP+pIE

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe
1948	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2340	1948	AcroRd32.exe	91
PID 1948 wrote to memory of 2340	1948	AcroRd32.exe	91
PID 1948 wrote to memory of 2340	1948	AcroRd32.exe	91
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 4604	2340	RdrCEF.exe	94
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95
PID 2340 wrote to memory of 3108	2340	RdrCEF.exe	95

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\71eccb3e4dc0e90197eb72c6ac70032b.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948
- 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:2340
- - 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=F50441A1563E7DDB51786CB24C884394 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4604
- - 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=0929A36AA883872F6975E9329875445A --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=0929A36AA883872F6975E9329875445A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3108
- - 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=25E9B6AE74646DBA96B4B9C013E32714 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:752
- - 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=422CE07C6F3BE5F9322F9313A9D92D22 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2112
- - 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=F5218C706A2B62FD01DE9FB799495957 --mojo-platform-channel-handle=2476 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1644

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2280

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
02fdf39044fcfbced14fe1c55114aa5e

SHA1
3d2dde52b7a979e82a1edc8f7aed371247e6f86d

SHA256
96c33247d8e3cf056cebef95bf3950e674b8596e2e2eceed7d00b2f64604e4aa

SHA512
d312879dcacf650f5327672762f5b5d845d32037172197016768493009aea388f8d1b9299e89f8e1cd98f494a28310baabda87d15c819a7c3a0aa34e1506cbf1

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