96ad0cd245f2633b2ba138039a11eac3a3d33750eabc113a9dc5487a6fb87267

Analysis

max time kernel
141s
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
01/02/2024, 04:59

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

85fe5fe761a8d0a734e56128b5148528.pdf
Size

20KB
MD5

85fe5fe761a8d0a734e56128b5148528
SHA1

4b63f0c99f6fe94d5adec7666c886d82daed5b2a
SHA256

96ad0cd245f2633b2ba138039a11eac3a3d33750eabc113a9dc5487a6fb87267
SHA512

b0ebb853f9992f4a2744c558b786f99f81862d7a0de6e88de537105379e648794eb29a6e87f95254039c9f322425134f705fb3089f67fb62ffbc617aa6595e72
SSDEEP

384:4Nzdnzv+7GWB3evCgF/buoIKXPh3Tj4gmZms1PW+sN2VJgL9GtZC:4pdnj1/bnfhjMr3WbNsJg4m

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 2212	4328	AcroRd32.exe	87
PID 4328 wrote to memory of 2212	4328	AcroRd32.exe	87
PID 4328 wrote to memory of 2212	4328	AcroRd32.exe	87
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 3376	2212	RdrCEF.exe	91
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90
PID 2212 wrote to memory of 2504	2212	RdrCEF.exe	90

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\85fe5fe761a8d0a734e56128b5148528.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4328
- 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:2212
- - 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=4B7C22C7E626AEFB02A0050294CA73CE --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=4B7C22C7E626AEFB02A0050294CA73CE --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2504
- - 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=0B7081159E8D977EB089BB29B98BC3D5 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3376
- - 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=953F53D4927FBF5730EFEC80534CFCA3 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1140
- - 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=37443F7937B3F4692C1FF5F00D03D49B --mojo-platform-channel-handle=1880 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3016
- - 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=F2FCE5B1CE723610F0C96CCF5BE6CE88 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5064

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4236

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
5fbd67f1cf187970459fb94bc0191829

SHA1
30e909919a272606dfbbb2c49e6989c3f7f74312

SHA256
ff1210d449244526ca2d3dbe35093388b223081d25e5da3762cfeea4a6f6277d

SHA512
c988800dd2d38f83b79cc6c0e04c565af84ca05a4b184e770fa0baed94e4db405ac64caaf4e4c065b2e77887ac722ceaac664cc0ff4a51f99cec14b841c9694a

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
11KB

MD5
b38cfa59039e5585b2f7d01c6aa8ca89

SHA1
c65876693a8089b1b1cdc349b5ff7c0267cc3c8d

SHA256
d47ef2893949e31525465b86c4abf718fe86f9afef35a280d4f750cc710bb130

SHA512
c810c8914ba9e08d18b7eafad5c087987f55c7c3712a773b182bccd50529bc4d64c7c1aacad63043022d98d4160b0bb1cf88d826959b52eaa01e12cde47614b7

Download Submit