dc63dcf05c0dff435bf8307773bb487cd69fce9e839da6823c58d4e13bd8ce5d

Analysis

max time kernel
200s
max time network
219s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 13:58

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General

Target

38e7a424ef9860df3c542d5328d300f1.pdf
Size

88KB
MD5

38e7a424ef9860df3c542d5328d300f1
SHA1

4a81a9f6be3cb5325107cb1e8ab5f908137461e2
SHA256

dc63dcf05c0dff435bf8307773bb487cd69fce9e839da6823c58d4e13bd8ce5d
SHA512

cabd2a162e222e9909457a51424f060af9ef942c00ea894d18a990310d55e8f540ca8163a0a8eb0d93970fdc84a0dc971885a761749ba56326f39a8b1fc972a8
SSDEEP

1536:dAwB8rXhNi1DKX2d5rr9ie0x9SlvFhHYqUoxk7cxWtaZy04zvWUpO706i:uCcxssG5v9mxOsqbSgMaZF4zC7c

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4420	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 1876	4420	AcroRd32.exe	92
PID 4420 wrote to memory of 1876	4420	AcroRd32.exe	92
PID 4420 wrote to memory of 1876	4420	AcroRd32.exe	92
PID 4420 wrote to memory of 4508	4420	AcroRd32.exe	94
PID 4420 wrote to memory of 4508	4420	AcroRd32.exe	94
PID 4420 wrote to memory of 4508	4420	AcroRd32.exe	94
PID 4420 wrote to memory of 3672	4420	AcroRd32.exe	96
PID 4420 wrote to memory of 3672	4420	AcroRd32.exe	96
PID 4420 wrote to memory of 3672	4420	AcroRd32.exe	96
PID 4420 wrote to memory of 644	4420	AcroRd32.exe	99
PID 4420 wrote to memory of 644	4420	AcroRd32.exe	99
PID 4420 wrote to memory of 644	4420	AcroRd32.exe	99
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 3172	644	RdrCEF.exe	100
PID 644 wrote to memory of 4268	644	RdrCEF.exe	101
PID 644 wrote to memory of 4268	644	RdrCEF.exe	101
PID 644 wrote to memory of 4268	644	RdrCEF.exe	101
PID 644 wrote to memory of 4268	644	RdrCEF.exe	101
PID 644 wrote to memory of 4268	644	RdrCEF.exe	101
PID 644 wrote to memory of 4268	644	RdrCEF.exe	101
PID 644 wrote to memory of 4268	644	RdrCEF.exe	101
PID 644 wrote to memory of 4268	644	RdrCEF.exe	101
PID 644 wrote to memory of 4268	644	RdrCEF.exe	101
PID 644 wrote to memory of 4268	644	RdrCEF.exe	101
PID 644 wrote to memory of 4268	644	RdrCEF.exe	101

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\38e7a424ef9860df3c542d5328d300f1.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:4420
- 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⤵
  PID:1876
- 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⤵
  PID:4508
- 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⤵
  PID:3672
- 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:644
- - 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=5C65B5DB6FF9249A2F512BF2B094EA0B --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3172
- - 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=BB9A70634C9E06897F92AA2CE51BB83B --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=BB9A70634C9E06897F92AA2CE51BB83B --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4268
- - 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=31344F2D12C1610E585806487D8511D5 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4432
- - 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=74C022E511B50D1B3F78F343AB04DFF9 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3064
- - 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=B66694A06FD08A18EB4B931528050F37 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4248
- - 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=4F04E66BCA7DB4272B0E090DE3707DEA --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=4F04E66BCA7DB4272B0E090DE3707DEA --renderer-client-id=8 --mojo-platform-channel-handle=2496 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4764

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
661444072b1bda60ae858f451b55d417

SHA1
1b4b9b2993b2962fcb6e56d55a71eb5fc98783f2

SHA256
ebdc89590228f87db829f13652d5eb9bdc5baccabe668e39ec50f75b2086c7b0

SHA512
ba82f76df60ced4f0844c6637e2fd7b5b0fba760b4207b3c7af0bf89ab55eec37fccbea873a41768f5b8a8cc06dab9e3fe1f9c5b05349b902320cb4184139159

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4420-96-0x000000000BED0000-0x000000000C01D000-memory.dmp

Filesize
1.3MB

Download