a5a7420f672dd1896645ff78935b88d57636dccc4084609b8f432587d4810875

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 08:20

Sharing

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General

Target

a5a7420f672dd1896645ff78935b88d57636dccc4084609b8f432587d4810875.pdf
Size

57KB
MD5

a110b9686758cd738b66d3f2b0ed060f
SHA1

2882c138cb29e13aa73ebf55f4842a2247435fc4
SHA256

a5a7420f672dd1896645ff78935b88d57636dccc4084609b8f432587d4810875
SHA512

e3ccb340f79114c996452fba76d7f8e61e39b801d746675ab0374bcc87101dd28e33c774acf0ce1e2f6ae0dcb1443cbfb20d7b16ed0f15e9d14327cf876e5b82
SSDEEP

1536:lrWG4gMzOXi0wrkaMYb5JyAw+yhjwFPRckFenm:lfFMzOyvkaMYbP03kckv

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1520	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe
1520	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 4624	1520	AcroRd32.exe	93
PID 1520 wrote to memory of 4624	1520	AcroRd32.exe	93
PID 1520 wrote to memory of 4624	1520	AcroRd32.exe	93
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 3252	4624	RdrCEF.exe	94
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95
PID 4624 wrote to memory of 1400	4624	RdrCEF.exe	95

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\a5a7420f672dd1896645ff78935b88d57636dccc4084609b8f432587d4810875.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:1520
- 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:4624
- - 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=3D11293E9BD6F56093CF06DDD89C9955 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3252
- - 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=615E179BBFABED6ED24C6A1F5F28508D --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=615E179BBFABED6ED24C6A1F5F28508D --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1400
- - 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=1892B249BC0A116A9BDDA80711835905 --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=1892B249BC0A116A9BDDA80711835905 --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1008
- - 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=78D7EA286E213689E2C53D57550F4BFF --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:732
- - 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=9CB34F6D86F64050B86D8153485DFFA8 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2520
- - 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=8280143E7EB5E90C72C408271D45A36B --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3368

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2416

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
f1381b34190bc097bde89591324f4e19

SHA1
ce7ea8a1432ad1fe2dcc6ac7ac89f9fae33a3942

SHA256
c3fe101e306b10ef50410199c99801498fc6dbc7cb26ee25311e7ee9b4a2c613

SHA512
ba3d86cec33f578c89e18fc6c8d0ab2fa1b2e6091e38b5002ffb89eadd7dcbad3ca2cb3bb2b0c3a532357203776e25ed5ceb870b9f47d38f63e12c883f55b948

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/1520-44-0x0000000009640000-0x0000000009661000-memory.dmp

Filesize
132KB

Download
memory/1520-127-0x000000000A9D0000-0x000000000AC7B000-memory.dmp

Filesize
2.7MB

Download