6839ab758be316c798fcd1698fef617e693b5aae1385dd6a19c380ba454e683f

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 22:33

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General

Target

6634c3bf54c74052355916392c183136.pdf
Size

91KB
MD5

6634c3bf54c74052355916392c183136
SHA1

4bf22c8b5ed65cea0e1c210534a8a83fe3ad608f
SHA256

6839ab758be316c798fcd1698fef617e693b5aae1385dd6a19c380ba454e683f
SHA512

38a8096dd3b3ea03efc7228ea9ae8d3839be9ac790159183a10b111a7cb494aefda144109aede5604026f3a76383edd07657e5e45b6032dfa06cb7f0d040dd71
SSDEEP

1536:k3/e3VGHISxRVae9LPxNXu8rvtLuKvjxvsNlWZhIhAom+VWHpOvTWmnO/g2YaAsA:MmlIzEe9zxN+8V3vtENlWZhkxHvYdbAF

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5020	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5020 wrote to memory of 2080	5020	AcroRd32.exe	90
PID 5020 wrote to memory of 2080	5020	AcroRd32.exe	90
PID 5020 wrote to memory of 2080	5020	AcroRd32.exe	90
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 1612	2080	RdrCEF.exe	93
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	RdrCEF.exe	94
PID 2080 wrote to memory of 2788	2080	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\6634c3bf54c74052355916392c183136.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:5020
- 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:2080
- - 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=AD94E5D20B78588CB64F6CAA946AB499 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1612
- - 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=E883863BA83865881E8B51A4C5F99BFA --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=E883863BA83865881E8B51A4C5F99BFA --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2788
- - 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=C76122C68EC150127B08E90565CC97EF --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2732
- - 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=82B4972A35A2C8E1638F4356739F7BE9 --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4404
- - 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=61653427AF6814C280DCB25D89D13219 --mojo-platform-channel-handle=2464 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1728
- - 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=5506F0672E0BC8D47BF4BC8D12D959F0 --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=5506F0672E0BC8D47BF4BC8D12D959F0 --renderer-client-id=7 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4672

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:632

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
209e8dd72afea2314e2522d41d274cfc

SHA1
b75020fb3471c9890b15a3c55d43ecaf64aa498f

SHA256
3ffa95afa3f486c289c2c0d456003a7558466b4d106792d67413582c9aa536fb

SHA512
8e030eab0c8755da69b20be51e21b40f130de130a3bcbbf7bc2cfa041e13ebcc4c42d32364765fe9a67935f6c8779339c18bd5e96daec40b9e09cbe0cde6bbfc

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