fc0d8e4cc4df87dc01579c97a08ac02724c271e3ceb785f8b4bb59f87b4f3cc0

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
07-01-2024 23:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4a18965ef3ad053d5f183197a90524bc.pdf
Size

70KB
MD5

4a18965ef3ad053d5f183197a90524bc
SHA1

08862841f0cb31ea52bcead92b5ce674e9042642
SHA256

fc0d8e4cc4df87dc01579c97a08ac02724c271e3ceb785f8b4bb59f87b4f3cc0
SHA512

0dc354e597e00295e59095b0f219459b895d866bebcfb6521890697b3ac2349c3fe91ca7aa3077ae77c127a4a9a4d1d086e6c5d250b9deedc2bb8fc7f6e70eef
SSDEEP

1536:ovWcVphRrFPbPR8tcYxt9hkcnqSo1GoTyYDXht:Wz7hvPDe/xteSo1G4xL

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3176	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe
3176	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 2116	3176	AcroRd32.exe	93
PID 3176 wrote to memory of 2116	3176	AcroRd32.exe	93
PID 3176 wrote to memory of 2116	3176	AcroRd32.exe	93
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 3528	2116	RdrCEF.exe	95
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	RdrCEF.exe	94
PID 2116 wrote to memory of 1848	2116	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\4a18965ef3ad053d5f183197a90524bc.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:3176
- 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:2116
- - 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=3BAB26D2D9D5E45A2008DEF099B2A443 --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=3BAB26D2D9D5E45A2008DEF099B2A443 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1848
- - 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=BDEE0E873C592792354EE2C6B2587269 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3528
- - 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=80369C303FB0927DDF2D7B66449C7182 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2972
- - 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=9AF4ABA3A6F218DA0779D6D63BD5BAE7 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3884
- - 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=4890650F6621C209E86B3B09A55229E7 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1892
- - 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=2A51323C6D3051FA8B2EA2052F5C29C6 --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=2A51323C6D3051FA8B2EA2052F5C29C6 --renderer-client-id=8 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4072

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4940

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
28a02d4bda6c44beb9218243f239aa73

SHA1
89101d17623b1cfb10bb931cab8f96f51cb271aa

SHA256
76457570e5a7b41608c303a9600915bbfb36d25286a5703f7112a18c100ef67b

SHA512
98e3797f5846ec51ae3c2698f207ade60031bdc6cc2523448d9913e159cc4b61d0202e97c2de0a6f1d1bcce2b6245342e9e5ca318062ac83aedb201c2eb80605

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit