01a4f3dc6369fdbc7d8de4ca875a72331ee1132aa355230223519ae35693ded9

Analysis

max time kernel
142s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 08:00

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General

Target

8bcfbdd9249c1802c0f41077be0af02b.pdf
Size

47KB
MD5

8bcfbdd9249c1802c0f41077be0af02b
SHA1

c8b6ea99b25d9106ebcf8d568dccc5f32096cf45
SHA256

01a4f3dc6369fdbc7d8de4ca875a72331ee1132aa355230223519ae35693ded9
SHA512

3bee08e4fe93dfb5b615b1df24ad5b8dcc19bf94546d643cbda056280e0e3ef0190eb3d48dda07b4daa40bd7b685a8e1fb04005e552e55f0d9bda00b942590fe
SSDEEP

768:UnFfI/rLCBFs7EFPTZ+qZ6igOhHQAOjdzo8S3Yu23g3yGC3NdNpWBizS+uH4VY:VrukaPTZP9gOZQjM53Z0gcNdNpjVuH46

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
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3016	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe
3016	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 1048	3016	AcroRd32.exe	92
PID 3016 wrote to memory of 1048	3016	AcroRd32.exe	92
PID 3016 wrote to memory of 1048	3016	AcroRd32.exe	92
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 2824	1048	RdrCEF.exe	93
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94
PID 1048 wrote to memory of 1288	1048	RdrCEF.exe	94

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\8bcfbdd9249c1802c0f41077be0af02b.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1048
- - 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=0F40D49842DFD8C86551A2609A5AAA28 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2824
- - 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=09BBDB49780753B6F129D6AB691CBB30 --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=09BBDB49780753B6F129D6AB691CBB30 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1288
- - 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=88A5AEE9E932C2DFC86C49C76FC91B29 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2020
- - 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=078DA4A6CCE79562A1A1F70168948D10 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1112
- - 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=29018017010271FAC82A64C2EF40A391 --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=29018017010271FAC82A64C2EF40A391 --renderer-client-id=6 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4628
- - 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=FD8429B15750C79CDFC7D46A6A22E854 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2024

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3756

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
ce55e0772310fb00bfd15886faa5cc5d

SHA1
dbbb0394f9f1ad5f9fb7ec43a30577600c171f8f

SHA256
2194dccaac1fd4b6de446697388d0ec0064fcbbd92cc6238661d826d2ee8db2c

SHA512
daf6d649f78f844027cf1d38eaefb0722f2a4e4096f72992f17247be3c272c0f620914401e3c7da57cb77a38338ad6abb5c97376657b84c1f05d46df44c3aa14

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/3016-26-0x000000000A770000-0x000000000A7C0000-memory.dmp

Filesize
320KB

Download