b85742d5dc2bc796417f14dce7589b546696dcf62b7ff381e2ff5201b937c2b5

Analysis

max time kernel
147s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 10:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a38b24fb6f91204c15288bb1b180c479.pdf
Size

81KB
MD5

a38b24fb6f91204c15288bb1b180c479
SHA1

ce9c5c97107f6c2cc999e915dc27c327e69aa6e7
SHA256

b85742d5dc2bc796417f14dce7589b546696dcf62b7ff381e2ff5201b937c2b5
SHA512

1d468cb785c15dbe5340fa9be15c000dfcc5990be17a64cc1024009bc3a1fff7ad6a5437c3e097cada06a7291a86bd0f2d3b192a83864103cdf1ff42912903e3
SSDEEP

1536:AUC/JRM/QkR0G8SqEVF0wey03331fuYTu6X9ZQ37Z9EXoULFO6rd27MNblPiLKU:S/JYjx1VFhehlK2g37cYULQwdqMN4B

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-1-5-21-2200714112-3788720386-2559682836-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2452	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 4156	2452	AcroRd32.exe	92
PID 2452 wrote to memory of 4156	2452	AcroRd32.exe	92
PID 2452 wrote to memory of 4156	2452	AcroRd32.exe	92
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3536	4156	RdrCEF.exe	93
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	RdrCEF.exe	94
PID 4156 wrote to memory of 3968	4156	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\a38b24fb6f91204c15288bb1b180c479.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:2452
- 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:4156
- - 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=8EAE5579ED209648A439A106D30213BA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3536
- - 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=9A0FD9603D663ADC2F9318DCA5CEA123 --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=9A0FD9603D663ADC2F9318DCA5CEA123 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3968
- - 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=AF4AE22B8DAABBB03AE9F56551C21ACD --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:376
- - 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=101DB4CA0E77BF2DA00888032070734B --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=101DB4CA0E77BF2DA00888032070734B --renderer-client-id=5 --mojo-platform-channel-handle=1880 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4616
- - 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=A0F458299086D11A469795FCB6165FDD --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4644
- - 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=78B371B1B863BF6CC097422FF0C4EA16 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1260

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4152

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
cbeb533311d96f7564504886a7f8c436

SHA1
2a54173c61cf02600504cf94f22b6ce10ff86604

SHA256
9cf51a734b0e861e8d4effcb03a33118406954dde9c6289ae7b2fac14e4c26db

SHA512
8f538d2edb47079167a89ef57cc14a8e650d16070fa48a37f48167de6f4387b40693f530b338065dccf619d60704492f1ee3cbc09cb9b5378260dd33b7d31de0

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