d2f6f64c51b46d9e900d28e6aa73e91d1b6d858352831f44c5a902b5b01dc877

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 03:13

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General

Target

98558fbe219c2f9a64184a8966e6ad0a.pdf
Size

79KB
MD5

98558fbe219c2f9a64184a8966e6ad0a
SHA1

b3aea34f5099d69c200f04c92667d75283bbd534
SHA256

d2f6f64c51b46d9e900d28e6aa73e91d1b6d858352831f44c5a902b5b01dc877
SHA512

b11924ddbc8bc29c86b38413e1fb5d50cf4c9709e50733c413f1ef5e16362f284436eeb833951e86d0bd1dfbffa2eb71fc422af26881b7eff190d38b86fa59ef
SSDEEP

1536:V3EA2ue/ZYRjrZ8BsOEmtQ4xYDCmqTfcIjcXIYSWoo/9opQrGYS:iA27/ZY1rWBs70J8C14IjcD/D1opQru

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4300	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe
4300	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 1056	4300	AcroRd32.exe	85
PID 4300 wrote to memory of 1056	4300	AcroRd32.exe	85
PID 4300 wrote to memory of 1056	4300	AcroRd32.exe	85
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 1468	1056	RdrCEF.exe	87
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86
PID 1056 wrote to memory of 2916	1056	RdrCEF.exe	86

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\98558fbe219c2f9a64184a8966e6ad0a.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:4300
- 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:1056
- - 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=880EB7A7E5C7285BCC882C20CABBCC07 --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=880EB7A7E5C7285BCC882C20CABBCC07 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2916
- - 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=5C383DD9A59F622B99746861A57A04AC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1468
- - 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=9BA7E0E9F7BF9E13DA48DE6BF0695284 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:228
- - 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=425B41387971F4DF13B84C97E10EA316 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4820
- - 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=BA45B051F5C001F34B88D4012EFB329E --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=BA45B051F5C001F34B88D4012EFB329E --renderer-client-id=5 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2928
- - 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=358DC93D441169D224B566515679F21B --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1656

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2436

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
b4e352dd05287e627757042562d1996c

SHA1
f60b52c44a533f5ff55bbe786f599907c1d60391

SHA256
14446a3adae97704882e0ff1530ae13344659e36818b0c8374b35e11020b4120

SHA512
85bdf7bfbe04d9cfa932e77fc8fc888a16880371c1588c5f29325ff27965842c3ab1fe14cb56594dd56626cb4316f502c1f8fdc59c320e650dd9c3e1fb46bfb0

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