9f842cf87f7cb1607c223b167564ccc1490aa2afbe4054ae0b510d227ea1f893

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2024 01:21

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General

Target

59e72066e59b6c3c10948d08fb9b1c22.pdf
Size

107KB
MD5

59e72066e59b6c3c10948d08fb9b1c22
SHA1

f551f599720837e0009fc1c6e23772e5fe4b4073
SHA256

9f842cf87f7cb1607c223b167564ccc1490aa2afbe4054ae0b510d227ea1f893
SHA512

27e804c300b4f012317492c133f684bc1ff881eabdf585386f467ee8b6055dc00afe35ab842f2949da8d8fd94eafb2aa37c195227061204cc887fd0e1751bdc0
SSDEEP

3072:zWFMGdmaKvaejVRuuYy+FTbuQA92gBRoygWY2a:CXmhvaSVnYy+haQAMD

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1376	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe
1376	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 908	1376	AcroRd32.exe	94
PID 1376 wrote to memory of 908	1376	AcroRd32.exe	94
PID 1376 wrote to memory of 908	1376	AcroRd32.exe	94
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3636	908	RdrCEF.exe	97
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98
PID 908 wrote to memory of 3912	908	RdrCEF.exe	98

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\59e72066e59b6c3c10948d08fb9b1c22.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:1376
- 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:908
- - 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=7694CD2F6722DE3F5172254B88A0A6BB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3636
- - 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=4CAEC29C5CB078AC0F43C68CB5694599 --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=4CAEC29C5CB078AC0F43C68CB5694599 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3912
- - 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=2C4A196AB146BE376465B4BE76A5CDDE --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040
- - 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=FDA505F882A6C60915396B76ABA3DD99 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2376
- - 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=E0A3ACC8886B359F1E05DA9D4B624BFC --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=E0A3ACC8886B359F1E05DA9D4B624BFC --renderer-client-id=6 --mojo-platform-channel-handle=2364 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4520
- - 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=BBCFC50F8A4FE32136130A3EDCCF1702 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3712

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4080

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
51f8141a603a446f3202a951cf40ddd0

SHA1
0de81c46054e4bcb76325159642d04276490927b

SHA256
1266f63d69e8db7fd952a398f37656cabbd5e535cb8c893ad27e237da1ae961c

SHA512
fb74413fe034190c2732b3fa39888446121a38ad68ab3a9a321080e226449afaf83d2c9693955c945068931fe657427317ea01c8574ad84859fb0bd7688b4f5c

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/1376-28-0x000000000CAD0000-0x000000000CAF1000-memory.dmp

Filesize
132KB

Download
memory/1376-134-0x000000000D760000-0x000000000D8AD000-memory.dmp

Filesize
1.3MB

Download