b36aaf438294e5b6aad5fee57707e5d7c40f2beffd162a6d2803a0d3aaa1b546

Analysis

max time kernel
141s
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
28-01-2024 15:46

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General

Target

7d5e7389e30559a77a37e075ef24c740.pdf
Size

77KB
MD5

7d5e7389e30559a77a37e075ef24c740
SHA1

2bdfb4c16abfddfa1953980371a9462d02b909e2
SHA256

b36aaf438294e5b6aad5fee57707e5d7c40f2beffd162a6d2803a0d3aaa1b546
SHA512

c6d1eb241df1fbae04f9e79d572182558d5302543ebbc03b9a2e9cfc7c122c426e4c88aca48fa7e6cc55165a23ee30baf478c93a4a18c5e44393ee842d50ad36
SSDEEP

1536:D8VRmt7JGeIouZGCCjJEDQFHQyWdOAaoWQFVzfUbnikEW6pOu29/KBv+gRQI:SMSouZGeDQFHx3AFZf+Z9u21A+gV

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
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 1516	1572	AcroRd32.exe	89
PID 1572 wrote to memory of 1516	1572	AcroRd32.exe	89
PID 1572 wrote to memory of 1516	1572	AcroRd32.exe	89
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 3224	1516	RdrCEF.exe	93
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92
PID 1516 wrote to memory of 1064	1516	RdrCEF.exe	92

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\7d5e7389e30559a77a37e075ef24c740.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:1572
- 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:1516
- - 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=9EA342247777ED016FE69725495EA8EC --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=9EA342247777ED016FE69725495EA8EC --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1064
- - 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=66A10A14D138173E64F4733963F15B0B --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3224
- - 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=41CF649998F8C0FA8E623743D3D6DFAF --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3760
- - 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=A71B046E26DB48184AB98A38E72C44B3 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2576
- - 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=D0DD4E42D62219E0FE36453242CE2E2A --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=D0DD4E42D62219E0FE36453242CE2E2A --renderer-client-id=6 --mojo-platform-channel-handle=2012 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1420
- - 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=DA86EB88C2F0DD925DE4506BC5697956 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1892

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2212

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
30ae5e03c2169477fb13ef5bf8e2c994

SHA1
1b388adc32f50ebb1e24c1a5b6668c54d84fb092

SHA256
4bac04eee5039421defce932d5c26f03a5aeebc71b79e9f8a679d282456b413f

SHA512
9c6626f3a07492599dbb6b786fb47cf28c1ff59c579945ed9df44490546ed451619dc4c1fa30e4d5670c728a82abb51664856bb5f576391e2d6d8c9a73d893a5

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/1572-26-0x000000000AC60000-0x000000000ACB0000-memory.dmp

Filesize
320KB

Download