8f36298c29536e17d4e219b6953f472f4cfd6100d0059f6ba3d0723715182db4

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 21:33

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General

Target

04874d2500e9bbe197c7b009b3c19208.pdf
Size

41KB
MD5

04874d2500e9bbe197c7b009b3c19208
SHA1

81b000af82e8b5c596bd46416f42417048d3e492
SHA256

8f36298c29536e17d4e219b6953f472f4cfd6100d0059f6ba3d0723715182db4
SHA512

f753274d2f64d2bcaa20ee59ba65c56719b911e25ac5fd36103796a1494fabd91319a76fa6f2ad9e36f17a72ce0fef281cc83fe1b05023254d98f3b0a523ea17
SSDEEP

768:/uRTGIi1+LFODEXEAwXwddt7IpoDCdI1RduY120t9BTy:GRtLFhUHAddIogoRdD12E9y

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5028	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe
5028	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5028 wrote to memory of 1672	5028	AcroRd32.exe	92
PID 5028 wrote to memory of 1672	5028	AcroRd32.exe	92
PID 5028 wrote to memory of 1672	5028	AcroRd32.exe	92
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 1280	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3076	1672	RdrCEF.exe	93

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\04874d2500e9bbe197c7b009b3c19208.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:5028
- 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:1672
- - 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=F4F35922E2D729B8850867951E9C0B01 --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=F4F35922E2D729B8850867951E9C0B01 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3076
- - 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=E58A8512ACD7FF684AFE26E197E7DFA6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1280
- - 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=5A19FA8D3173A1544DEEE4ED2D1A9769 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3520
- - 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=92E88374381C164D182D47FE7ACA03BD --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4092
- - 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=EC525A4DFA2D4AA4B45C63492BD57EF7 --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=EC525A4DFA2D4AA4B45C63492BD57EF7 --renderer-client-id=6 --mojo-platform-channel-handle=2360 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3980
- - 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=7FD7369939B1B7F369C273E3F36A872C --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4816

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:220

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
c1f578cb752799ac355f7ba40969c75d

SHA1
0874bc00a4c32d5da5c4098b56975e38accf967d

SHA256
ac11d08cb385c4f6d0f19c9a5ce14892c0c524a5cba7fdd56c02aeca0ead9cc4

SHA512
7fda2edb3870c487d1effbaf6f684e48435464af193421e7f4fac860241dbe6972b38d1d38130fb76c84fa340a1966835120b684a0f5a2d63565cd047307bca6

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
memory/5028-26-0x000000000A6D0000-0x000000000A720000-memory.dmp

Filesize
320KB

Download