87e3cc8ff5ce073cc6c3a23ce84faf3175719f049ef9bda71f9a2ca2b6befb37

Analysis

max time kernel
166s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 15:44

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

df1af91bf5e26254ca847e1b1b5106c7.pdf
Size

66KB
MD5

df1af91bf5e26254ca847e1b1b5106c7
SHA1

28031eb333ccc6fc2c8224815440eef3a0ec9063
SHA256

87e3cc8ff5ce073cc6c3a23ce84faf3175719f049ef9bda71f9a2ca2b6befb37
SHA512

a3e1c9ddbc656e47305346e4ef6b7f12585a1ef0fef41bad6cb01557f69920c7223085e68fe10f7dec1232a19f64d81ed38051191b999e9258025eebd9c7c3f6
SSDEEP

1536:VqCZCVUl8gkcY+9M5//t+5mC8ac3H6M5crvgA25wr47gr:0CA0fdToN+5mX/hE4g

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe
3740	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3740 wrote to memory of 1552	3740	AcroRd32.exe	90
PID 3740 wrote to memory of 1552	3740	AcroRd32.exe	90
PID 3740 wrote to memory of 1552	3740	AcroRd32.exe	90
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4316	1552	RdrCEF.exe	91
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92
PID 1552 wrote to memory of 4600	1552	RdrCEF.exe	92

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\df1af91bf5e26254ca847e1b1b5106c7.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3740
- 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:1552
- - 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=02E728C53BD9B8A938E682FA3E41810E --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4316
- - 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=66703052F69300321B73EBB801647DD3 --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=66703052F69300321B73EBB801647DD3 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4600
- - 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=454B69230BEAC012EB8887CC6C54D034 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2068
- - 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=B87CDC36E9979412FA3543F2EF6EFAE8 --mojo-platform-channel-handle=1788 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3600
- - 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=35886C446DAFABA80EE9B18843A0FA6A --mojo-platform-channel-handle=2464 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1920

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3872

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
fcb5f75a583e740fff9fc68cc8124a71

SHA1
6e9f1e6638f9d6cfdbcf4c1ed9f096627a9e9199

SHA256
b564125d832829097671b9247c447559531a61caee44b786689e3e984221dcd5

SHA512
69a93cb0880f825851083b73a5d14a4a9ea940e4079c9ac5b945b0759cca353c736de264a8baa27259dede571bee5ddfb541de136acfcf433d685bfe63ba4933

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