2bf6525c84c7166b6f21dba0af97dd724521700e818399b78cbf6bcec12b464b

Analysis

max time kernel
142s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 00:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1c79a8e05291091c912b66260d6ad81c.pdf
Size

72KB
MD5

1c79a8e05291091c912b66260d6ad81c
SHA1

6fb0cab6d9826e9bda6aec5af0dc63ca55283214
SHA256

2bf6525c84c7166b6f21dba0af97dd724521700e818399b78cbf6bcec12b464b
SHA512

e9405ab5da13955cb72ce6e6763d5c3f74bdd15a07cb9ad88c60d15eaea42acdf24fece5cc3aa35b24158f78b597da44cc9025c0b4dbaec8efed6c94716885f7
SSDEEP

1536:tVZ8+A8Rxk/DfRaSUxMxCdLfWWBaR+axWOpOwrZ2cFA0:m+vsdQMxocuwrQG

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
624	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe
624	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 4604	624	AcroRd32.exe	90
PID 624 wrote to memory of 4604	624	AcroRd32.exe	90
PID 624 wrote to memory of 4604	624	AcroRd32.exe	90
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 2556	4604	RdrCEF.exe	92
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91
PID 4604 wrote to memory of 1860	4604	RdrCEF.exe	91

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\1c79a8e05291091c912b66260d6ad81c.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:624
- 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: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=E7A5B4B769EC63B02F601BCD5FB382E2 --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=E7A5B4B769EC63B02F601BCD5FB382E2 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1860
- - 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=E211FA947E93CC633CB096B2C9753D35 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2556
- - 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=6D29E10A202C2E713098BD5C602E50DA --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:436
- - 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=EF070AC48FA6FD3ED590208DB78A9031 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2104
- - 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=4F54724BB8CF4662CC5FFF4045C195AF --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=4F54724BB8CF4662CC5FFF4045C195AF --renderer-client-id=7 --mojo-platform-channel-handle=1916 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2440
- - 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=FF2DD5BD9B1DFEB2B030A0D7752C9695 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4628

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4420

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
dc5a308aa14e2adb6ca4319390e07f41

SHA1
48a49559a9350910edb2be267835abff40f99f97

SHA256
0b61a6b9063169d086b7ee3b7ec05d393a9e5eb7076baaeefab7ee1aaa6746d8

SHA512
6cbc5e53672d8d9d5626ece2e4a811b65f5e4215ca8d2340f9620a21ff0b014dc96cc09d09c65f4fde4f0930c1cac2e083375d49d7bce705196b10e614b21b0e

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
memory/624-27-0x000000000AA40000-0x000000000AA61000-memory.dmp

Filesize
132KB

Download
memory/624-26-0x000000000AA40000-0x000000000AA90000-memory.dmp

Filesize
320KB

Download
memory/624-130-0x000000000B6D0000-0x000000000B81D000-memory.dmp

Filesize
1.3MB

Download