3a46f9f2545e586c5cd4c0b20d20616a2d34dce886dd51d407ff309207fc5daf

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29-02-2024 03:00

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General

Target

ad851f1b02f260768dbe6c7b496b7198.pdf
Size

45KB
MD5

ad851f1b02f260768dbe6c7b496b7198
SHA1

5f938c940758c54f7b4660b7f66c769fb57ee4a6
SHA256

3a46f9f2545e586c5cd4c0b20d20616a2d34dce886dd51d407ff309207fc5daf
SHA512

382352a2ef6b512febf9089babc20eb69d5b485d06da682eb48d5d8668e134765c770a81c4dfd771a0004debf114efefa682bb7f6f2fe01b3dca1245f5609976
SSDEEP

768:pgGzpD9SKtx80mDth3xI6fwqxSdE2iYvSocRHt7LCAUhLJeKq5oly0tt2iu9FT5s:KGFBh6t7LCAmJoqlUiItHkbTmYz

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2676	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe
2676	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 1932	2676	AcroRd32.exe	92
PID 2676 wrote to memory of 1932	2676	AcroRd32.exe	92
PID 2676 wrote to memory of 1932	2676	AcroRd32.exe	92
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4360	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 1320	1932	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\ad851f1b02f260768dbe6c7b496b7198.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:2676
- 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:1932
- - 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=8A4D151DEAA8B6E784B8385820B5590F --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4360
- - 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=A50DE9A265F36F40B831264C1FF6A4C9 --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=A50DE9A265F36F40B831264C1FF6A4C9 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1320
- - 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=9CDF4DC72AAB411704131B9A5E266FB9 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1456
- - 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=DF3B045880AEFAB72A49C50C1AF5BD65 --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=DF3B045880AEFAB72A49C50C1AF5BD65 --renderer-client-id=5 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1048
- - 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=A3FABC921C946BA61D1A4ECC87D8A355 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1220
- - 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=9D59793A6B8154CDDA9E25B209BAD15E --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3336

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1108

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
4f1d4cac362d316f4d61315c3f1fcf3c

SHA1
345684a8b311517140a80d69f4f795c4022679c4

SHA256
85a48aa1c17efed48f8c4523d0d27f7d697275f6e9c166b599432b86a2da010a

SHA512
23f200e836450532c9d9d0c8dc0b319a0325dc10eac8e8ad172dcb2eb9a4b5ec7a9d092398b26fe6826341b6b089b470b8f076fd8dfe06c05a8eab0ecfff1c02

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/2676-26-0x0000000009AE0000-0x0000000009B30000-memory.dmp

Filesize
320KB

Download