7f8caea7c902f178fbb89d55a2274db86e7951d33876c97f4b0e6d044305917f

Analysis

max time kernel
153s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 13:13

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General

Target

378160fc6f9ba90b250eb057797de66a.pdf
Size

71KB
MD5

378160fc6f9ba90b250eb057797de66a
SHA1

6dcc112ce753d6d57f405d92047a356eb77c0193
SHA256

7f8caea7c902f178fbb89d55a2274db86e7951d33876c97f4b0e6d044305917f
SHA512

8b627f97f7189d81c19179bc7d52c01b3932580d2f820e7b59446d7f845bd0f17b7ac8a94fadecc6888542e11974605dbe8cb2bc965a56613d8d39d62050a13a
SSDEEP

1536:RME3em/T5MQ5UuU3P/RKg73sUFz3fKUulsVDWkNpOPCWTrCWGiYrhY6RhSfk6:de4TWQ5oH1FDpulsV0PLr6KUhSd

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4016	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe
4016	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 4264	4016	AcroRd32.exe	91
PID 4016 wrote to memory of 4264	4016	AcroRd32.exe	91
PID 4016 wrote to memory of 4264	4016	AcroRd32.exe	91
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 3416	4264	RdrCEF.exe	92
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93
PID 4264 wrote to memory of 1852	4264	RdrCEF.exe	93

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\378160fc6f9ba90b250eb057797de66a.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:4016
- 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:4264
- - 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=4D84097B85292108F5C92A5386714765 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3416
- - 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=B53B1F40AFAA0818B03E1C2FE54FB6D9 --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=B53B1F40AFAA0818B03E1C2FE54FB6D9 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1852
- - 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=71020A5F7637E33635B022CADC8F5C2D --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=71020A5F7637E33635B022CADC8F5C2D --renderer-client-id=5 --mojo-platform-channel-handle=2120 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2252
- - 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=D6701DDC3A6EC5549AED6C1E5ACC0AB7 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4488
- - 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=981CC6DEA9A1C12C72B80498C8C0F87B --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4380
- - 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=FE7B03CF309D7FC16821F9D9E332CFE0 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5088

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3548

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
44f4cca7af79967765e90dbdaa7a2d84

SHA1
d5b10e0c31ea482da5397973f65e0c97999e5641

SHA256
7d89194616353b1e7866dddcbbf79fde953deccc7b84e102c1577e16d77ca30b

SHA512
c9a265dace3c54a25b1ca1a44f96bcc456f932d7a3699d959b3e17802b1afe21087d53de8e2fae4edded2151c34f28a9619682e9610523149267d52b207a10c6

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

Filesize
64KB

MD5
8b7c4259b84536c3e786fdca3fe66868

SHA1
ffbb6e2efdaf28b188aeb8db2ab26d245688fa65

SHA256
f0e9810db1a22f4bf4330d387b23c7638a071927aad6d8028f055ceb4fff9485

SHA512
fdcae6d9ed10945943a2cae67c55d2a5577ba26ef945f35e59151127b67b94cab5204cf681a5511cc0d51f57db0264d007d51fbb2803125bf68b5a5c6671f7fe

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