f01d3f1fd1e16d6db1941c1441193a3ec00af633950f2097ddd9f933e5865bf2

Analysis

max time kernel
151s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2023, 08:52

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General

Target

NEAS.3b93e03fae2aa253ad0d30049936c570.pdf
Size

133KB
MD5

3b93e03fae2aa253ad0d30049936c570
SHA1

d19fce92cfed1d73bd76f85add8a8d98e12be3c8
SHA256

f01d3f1fd1e16d6db1941c1441193a3ec00af633950f2097ddd9f933e5865bf2
SHA512

6eaca0b0382bbb3978a57e7dddff2da1baaac3ff4db51c74ed79cddad947f515f6255fabc81c37da5ff909b83f2a1d6838f33abbefbac761f8e875f120b6b446
SSDEEP

3072:yljsS6PRKP3CovbG135UahjnvBmH7m1jZmfBQ+ost:yljmPoP3CqbOJUKjnvB+mWfBnoe

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-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2972	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe
2972	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 4848	2972	AcroRd32.exe	94
PID 2972 wrote to memory of 4848	2972	AcroRd32.exe	94
PID 2972 wrote to memory of 4848	2972	AcroRd32.exe	94
PID 2972 wrote to memory of 2684	2972	AcroRd32.exe	97
PID 2972 wrote to memory of 2684	2972	AcroRd32.exe	97
PID 2972 wrote to memory of 2684	2972	AcroRd32.exe	97
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 1676	4848	RdrCEF.exe	98
PID 4848 wrote to memory of 2700	4848	RdrCEF.exe	99
PID 4848 wrote to memory of 2700	4848	RdrCEF.exe	99
PID 4848 wrote to memory of 2700	4848	RdrCEF.exe	99
PID 4848 wrote to memory of 2700	4848	RdrCEF.exe	99
PID 4848 wrote to memory of 2700	4848	RdrCEF.exe	99
PID 4848 wrote to memory of 2700	4848	RdrCEF.exe	99
PID 4848 wrote to memory of 2700	4848	RdrCEF.exe	99
PID 4848 wrote to memory of 2700	4848	RdrCEF.exe	99
PID 4848 wrote to memory of 2700	4848	RdrCEF.exe	99
PID 4848 wrote to memory of 2700	4848	RdrCEF.exe	99
PID 4848 wrote to memory of 2700	4848	RdrCEF.exe	99
PID 4848 wrote to memory of 2700	4848	RdrCEF.exe	99
PID 4848 wrote to memory of 2700	4848	RdrCEF.exe	99
PID 4848 wrote to memory of 2700	4848	RdrCEF.exe	99
PID 4848 wrote to memory of 2700	4848	RdrCEF.exe	99

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\NEAS.3b93e03fae2aa253ad0d30049936c570.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4848
- - 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=E3B515AA226207F659A5A1DF2CF27E04 --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=E3B515AA226207F659A5A1DF2CF27E04 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1676
- - 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=746A00E95A12135FA1154459F05897A4 --mojo-platform-channel-handle=1828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2700
- - 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=441240EB1C2F385B5AC3916DC00BB988 --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=441240EB1C2F385B5AC3916DC00BB988 --renderer-client-id=4 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2172
- - 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=C27F7C126ED9A0195E4B72CDD9EC46B9 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4112
- - 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=D2CFAD541A08CA509F936725F36B293E --mojo-platform-channel-handle=1992 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4808
- - 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=588EFC34A8A7ABFB02428382081E4767 --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4360
- 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⤵
  PID:2684

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1372

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

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Downloads

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

Filesize
64KB

MD5
3807e61494fe2f9eb1445182a2a26461

SHA1
651484a69bc3bd496b4b05dc8954db00faae8be9

SHA256
8e1f50f28998be159758c85673db5ecadfbe1be6e17392c0c8c99f097d359c3b

SHA512
a2ced09b5c3715900fc8a13e925b68086ca762176138721fdcf3724eb900ed6601753844567595ba3dd3b1cf62c8020f0617fea85d52603c80d405947f78323d

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