70459f1f04e300cef53630d24d850815894c8d6b86d6aa3361ec065dd88a1c99

Analysis

max time kernel
142s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2023, 07:02

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General

Target

tespdf.pdf
Size

34KB
MD5

2596dd44644495858a1618d2fdce00ca
SHA1

60b016070655b2bb0e7f25d877fc72187c1a6d83
SHA256

70459f1f04e300cef53630d24d850815894c8d6b86d6aa3361ec065dd88a1c99
SHA512

4cfddd6eef2a75d021e66fdaddb731624e020c7d3f5b7d2d425e9d8075865f8589cd4188024ac3a031880b5c8e173102b6da47eb1230acd4b0113256ecf09b88
SSDEEP

768:yDIlGX0TG630H30AUdXyD7yOzKODjV3qSvRvXP7ZhznxjIw+D+cy:RHhZJyD7yOb5hpvXP7zxnv1

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-1-5-21-2344688013-2965468717-2034126-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2944	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 3168	2944	AcroRd32.exe	91
PID 2944 wrote to memory of 3168	2944	AcroRd32.exe	91
PID 2944 wrote to memory of 3168	2944	AcroRd32.exe	91
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3368	3168	RdrCEF.exe	94
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95
PID 3168 wrote to memory of 3816	3168	RdrCEF.exe	95

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\tespdf.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:2944
- 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:3168
- - 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=0667611B46E3B24EDB240F581B8BDD93 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3368
- - 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=2C855D3545BC9B987D293DE487E76BA8 --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=2C855D3545BC9B987D293DE487E76BA8 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3816
- - 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=BBC9B1BAEEDE9C8417ECD879C2420E18 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3524
- - 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=1217CB94BA5F8A47EE6B97770720B0E6 --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=1217CB94BA5F8A47EE6B97770720B0E6 --renderer-client-id=5 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1608
- - 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=42E3E64005D9ACAE3C5335CFAF21A02D --mojo-platform-channel-handle=1884 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2280
- - 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=214FD75FBBC8F3939F16FEB96A49E92E --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5112

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4916

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
f80da2700703bffb761059f434dab04c

SHA1
87293ede4c66148e6f04872ccccea0441e5d0b86

SHA256
b04f3a33e623b3162658dd79d0cc0f371ab486f100be7208bfd92f8323ec18ac

SHA512
d27f9d2635ded7f02d2734246db1318e682dc85cdbd9e3f31d723a212e02d85cad55a880e6e7163d44158d0ecbe0b910460904287b96fbdcf82d859e64f3843c

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