23f25aaa54e7534776d4e9b0ffb8ea406469555071dd86d24d7a549a016a109b

Analysis

max time kernel
143s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 13:10

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General

Target

2e4b34fcae1c658cb2860b26d839ca02.pdf
Size

80KB
MD5

2e4b34fcae1c658cb2860b26d839ca02
SHA1

de84318f9b1f453a1ac9b1445753899731c582e9
SHA256

23f25aaa54e7534776d4e9b0ffb8ea406469555071dd86d24d7a549a016a109b
SHA512

8b2ae06851d5dba70ea4516fd6e88c5cff612a4f31ab1940f3611d18c0cda306485c8c051e419834917c5fe59bea8d19b47160843efcfd55732e22116523d376
SSDEEP

1536:yqJAfWVhhn/zm+Mc7ju4Oi6H9/itKXbgNn7yE4DxWApOquWaeV8LxQSc4AQd/2QS:fJMWVTbHMc7YhH9cKrvE4IqvZScl0/C

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3436	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe
3436	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 2252	3436	AcroRd32.exe	92
PID 3436 wrote to memory of 2252	3436	AcroRd32.exe	92
PID 3436 wrote to memory of 2252	3436	AcroRd32.exe	92
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4996	2252	RdrCEF.exe	93
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	RdrCEF.exe	94
PID 2252 wrote to memory of 4196	2252	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\2e4b34fcae1c658cb2860b26d839ca02.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:3436
- 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:2252
- - 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=69649121B47E90374E0B29E41E494555 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4996
- - 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=F0A160881A4B08F95D59484CF34C5D71 --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=F0A160881A4B08F95D59484CF34C5D71 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4196
- - 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=FBDEAE644852A43300AC8E5D0BA294F7 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:932
- - 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=3A5A35EC496BA22B330D3B01C1C8AF55 --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=3A5A35EC496BA22B330D3B01C1C8AF55 --renderer-client-id=5 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1724
- - 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=63DF65CC3B68ABAA71F03CE8CB39B47E --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4652
- - 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=8BC9070F1B79C603D9CDCE54BF2AE8BD --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2724

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2580

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
bb43db380dc56f566b646f7fbba142c2

SHA1
68246fbc572707ce19c379397737c604b21d8c44

SHA256
8a57da14cea53ab61337bba95083ba27b9a16c3366898f89c5c8d447eb6d9fe3

SHA512
fc071a615509b135a10c5070a5223fdb123ca69be477d54c45d39e026a6eda3f66b9ad8f3317d21a8061112b690221a24b672f3a0f432633d53376e179bf7467

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/3436-27-0x000000000A4D0000-0x000000000A4F1000-memory.dmp

Filesize
132KB

Download