b7ca42ff30fba137ba45f08f99d9e3a4255b9c44516d073c4f6e81c60d37d273

Analysis

max time kernel
141s
max time network
149s
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 13:46

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General

Target

389305bbdd0b65dc8caffcbe26db2d11.pdf
Size

48KB
MD5

389305bbdd0b65dc8caffcbe26db2d11
SHA1

3794c4f16437433831418c46f0a88795bb6a3eed
SHA256

b7ca42ff30fba137ba45f08f99d9e3a4255b9c44516d073c4f6e81c60d37d273
SHA512

827b0fc577db8b1166ff8c1a964b904ebc45240f51fced3651a5142e03535508ff6ec7b8d977220c9f45e4fecc01e41e87ac1b4855f696743f3b6726cdba996f
SSDEEP

768:iXgGzpDhSMN/Pl/695Ufo3oX3gRs3/xOu2Jscc1NKOQTYIPj7NYg5Ov/opvkV/xv:rGFdSMNI6ccrmTY2y4pvkV5pDQ0OOX5

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3908	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe
3908	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 3940	3908	AcroRd32.exe	92
PID 3908 wrote to memory of 3940	3908	AcroRd32.exe	92
PID 3908 wrote to memory of 3940	3908	AcroRd32.exe	92
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 4520	3940	RdrCEF.exe	93
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	RdrCEF.exe	94
PID 3940 wrote to memory of 3376	3940	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\389305bbdd0b65dc8caffcbe26db2d11.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:3908
- 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:3940
- - 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=9FC3925A556A17BFF7CA74B4AFDCC09F --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=D9E06947442A1C0BDAF1CD81DBC05E55 --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=D9E06947442A1C0BDAF1CD81DBC05E55 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3376
- - 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=FE8F5A9B805EC287BD5C00112598482C --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:552
- - 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=0C74CD24858CF456C366910807F4E9F5 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:372
- - 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=C5FAC984E0A449F6C03BA7EABD8A0303 --mojo-platform-channel-handle=2216 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4772
- - 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=FEF9CF91714901E0CBF1CE1AE41762EA --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=FEF9CF91714901E0CBF1CE1AE41762EA --renderer-client-id=7 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4008

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
1a62966e5b5f2e6bae40ba4c1267c16b

SHA1
3262aff128b115d8cb4e58815b1a9b5e05dec11e

SHA256
169bc4d354a9c03bac0b601541d08abee1c0545529a23c566822dfa0e6002c00

SHA512
57ce9f0036c4fcfa553791da6281295c1b243082218a97b75cc4ae9229943e111109b9e900a22a2a08d4b7c6c43a86093310d37177023fe4336d174fb5b88c81

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/3908-26-0x000000000B160000-0x000000000B1B0000-memory.dmp

Filesize
320KB

Download