bb2e62d51a1d1e53e3753077e42ec8b702aafeaccb57440830a8c618e6f95a8f

Analysis

max time kernel
141s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/02/2024, 21:11

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General

Target

bb2e62d51a1d1e53e3753077e42ec8b702aafeaccb57440830a8c618e6f95a8f.pdf
Size

95KB
MD5

32d89cf062a56ce2a6d9251a34f1cea8
SHA1

d5cf64e976ed1d0765c40b6cff083439ee2f7d24
SHA256

bb2e62d51a1d1e53e3753077e42ec8b702aafeaccb57440830a8c618e6f95a8f
SHA512

76f8c5276def0e1a47ee470fa1bdba78c965c887759029145170d8abd8ec77b2966841696cae4b1dfe324b023c90bc8cf1bd02f6dc6584751789566fdbfad499
SSDEEP

1536:RfsVAH7bbs7gORVjOwu9bKppT5m2IT2x68XCgoC9thFFZlAmgaIVbeAqcV9AHzwu:R+V7g6VjuEj42H7FFZmrbeA/LgzbyrG

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3400	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 4968	3400	AcroRd32.exe	85
PID 3400 wrote to memory of 4968	3400	AcroRd32.exe	85
PID 3400 wrote to memory of 4968	3400	AcroRd32.exe	85
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 4944	4968	RdrCEF.exe	86
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87
PID 4968 wrote to memory of 896	4968	RdrCEF.exe	87

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\bb2e62d51a1d1e53e3753077e42ec8b702aafeaccb57440830a8c618e6f95a8f.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:3400
- 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:4968
- - 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=668CDB4F3DBF83B3344F37B7D5EAB7D8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4944
- - 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=CF8B2E199D34FFB1EB951D5104C03759 --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=CF8B2E199D34FFB1EB951D5104C03759 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:896
- - 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=82A5F4644B4DFD974C82142E455AF82E --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2200
- - 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=8C87A4A3F3541DACAFB8A473A7628843 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4236
- - 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=02787331E93258CF1EA225727C742CFB --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=02787331E93258CF1EA225727C742CFB --renderer-client-id=6 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4816
- - 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=B6C463343F1AC4A764550C576EE89007 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2120

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
0445c8d865e222f3117062838eacdd57

SHA1
03134c3186af70c362f924eeb983bff000dd61ae

SHA256
ef27c13bd331706c482243f35b97f6a443811302b7b764c5e7fa0d307555082e

SHA512
2ca294c6c0b80ac13536a61993ed841c2c2ae5a75479c6b1e8ce27f2320e65c1421cc3e702e03ef65defbab544027a68fdfbb58255b6bff050ce2f5794bbab3d

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