16c0ae7d1a85fba7146ba239cafae9c22b4834d38ef26ea5c6acda9c6026ec19

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-02-2024 11:01

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General

Target

abb925fdbecf0000fa4ccde038813c4a.pdf
Size

72KB
MD5

abb925fdbecf0000fa4ccde038813c4a
SHA1

c26647b342961c671e757dbc1925da98df65466a
SHA256

16c0ae7d1a85fba7146ba239cafae9c22b4834d38ef26ea5c6acda9c6026ec19
SHA512

15face3a7e2afaa481e8df70b62aa5ecae684c5202fec51d7016386e7d9214b6cd25cf6edd11e3596a2cfe4c1852d668ce69bf13caf87676f4da699ac8347ff6
SSDEEP

1536:mxvTHTsAfzCsa0WbIkfJnWtKH9GiMtsOfuXG4ClKki1ZdJKpOXJ:+vTHusa0WTBne2wt1GXG4WqPJKpM

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4748	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe
4748	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 2172	4748	AcroRd32.exe	98
PID 4748 wrote to memory of 2172	4748	AcroRd32.exe	98
PID 4748 wrote to memory of 2172	4748	AcroRd32.exe	98
PID 4748 wrote to memory of 3604	4748	AcroRd32.exe	99
PID 4748 wrote to memory of 3604	4748	AcroRd32.exe	99
PID 4748 wrote to memory of 3604	4748	AcroRd32.exe	99
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2512	2172	RdrCEF.exe	100
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101
PID 2172 wrote to memory of 2316	2172	RdrCEF.exe	101

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\abb925fdbecf0000fa4ccde038813c4a.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:4748
- 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: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=ECE452F080CCD999F73931B40291954C --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2512
- - 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=0224A735AAA24FF91E69F7E4AAF0EB74 --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=0224A735AAA24FF91E69F7E4AAF0EB74 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2316
- - 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=78EB0A8B701167BC63DDB2C7FF4B1E44 --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=78EB0A8B701167BC63DDB2C7FF4B1E44 --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4300
- - 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=5DC83154AA0F64C45E3FCCB8A0DC1ED6 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4600
- - 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=90C93AF4C408C38BDC54051276AC6BEA --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3284
- - 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=FCDD0870C062676BC78A8AD5E4C45C40 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3976
- 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:3604

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3816

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3208 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
1⤵
PID:2776

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
5ab9833ab538e44392c616955b28cfd4

SHA1
d494819e66bba6be9be69b2034b819b22939b156

SHA256
e82892a15ebf70486427480c81e1d4384a2d13c357bb195d7dfa14cb279a1ec0

SHA512
bc8b1ee943e2ec6ebd47d4e321133fac04936671c0e5b4213bb94284197556277963d844f3ba1efd6d188c79f76eda56fbc52dfb342202956eebccd6458548d8

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