def4788f9f5e243dd6f8bb5e3ae1913abae7e806d13957a7e4b61d14dcb253be

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2023, 14:21

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General

Target

Bv9ARM.pdf
Size

712KB
MD5

6d84eeef72129e82e58a5c9eadab3ddf
SHA1

07ee955d4ddaa0a9a58c38327b2362371e473abd
SHA256

f4cb996e08b481d6d24d0c9c344000bb475810fbbc80170305471addefd86416
SHA512

d2a505b98ef5165b2256d46271bac29f2bd15dceb21b451ad3645cfc72a60008e970bf0557b95d7c426f6a3b7122f40df6425b6ea436eaea214ef96ef9bcfcfe
SSDEEP

12288:Eko3BEo/VyK7vQ14+gLC11euA3hwRJ9DjRUejnXLM9AECVq2XM4d:E93Bt7vQ1gCF8hoJBRUeE9AEKTd

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-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3252	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3252 wrote to memory of 2636	3252	AcroRd32.exe	91
PID 3252 wrote to memory of 2636	3252	AcroRd32.exe	91
PID 3252 wrote to memory of 2636	3252	AcroRd32.exe	91
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 2780	2636	RdrCEF.exe	93
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	RdrCEF.exe	94
PID 2636 wrote to memory of 3364	2636	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\Bv9ARM.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2636
- - 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=D19241B1850B637CDE259CC722E774A6 --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=D19241B1850B637CDE259CC722E774A6 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2780
- - 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=12B26E968B0092C86A0B49D514D894EA --mojo-platform-channel-handle=1784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3364
- - 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=002F120497925453812E6A538EE4B9FC --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=002F120497925453812E6A538EE4B9FC --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2212
- - 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=F0D46118F0084F9007913B52F648FF69 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1612
- - 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=46B9D2D72A2C5E8D991EE7ADFE875028 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1904
- - 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=8CAAC1E4D298BC55830270FC1F779465 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4712

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4596

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
e94609a0305bc66ec48ba59ceb8456bd

SHA1
2ee06ad93541962dcd9129665a54b7b9b4efe04b

SHA256
9238e662e90f108c201f667aad04a9aa04f022cb9a8e2525103aebe40f91d0ab

SHA512
b8a64d5be420e6af2ac0eefc178c4830c677073b2b220a8d0a1d4d080a42cc69b4c67880a8e4265b201b0b5b679aac3edcba163d626aa17cd6d9ff3c38616963

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