9330e5b429d38f166430e1217cbc218b61a55669294bcd978556efc32c69fa65

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 15:40

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General

Target

77be5f381457c28ec85759ca959faeaa.pdf
Size

78KB
MD5

77be5f381457c28ec85759ca959faeaa
SHA1

72d98c7a9097ba09534d36e405241e2d9be97277
SHA256

9330e5b429d38f166430e1217cbc218b61a55669294bcd978556efc32c69fa65
SHA512

138a6f0e9089db29d46ff88b9f484d5a0e1c7595cb74e5b56f506a6b717333f6858205e0fec3a4cdc038b4c6cb4883340f8513c37573e0138999f8e2e15b654a
SSDEEP

1536:w9HL8JxDLJQpBp7X0Ae0drvC6EDB2HgPIQVJqtp1r8bw:SkxDQPjQ0dW6EDB2MIykp1rz

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 20 IoCs

pid	Process
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4428	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe
4428	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4428 wrote to memory of 2892	4428	AcroRd32.exe	92
PID 4428 wrote to memory of 2892	4428	AcroRd32.exe	92
PID 4428 wrote to memory of 2892	4428	AcroRd32.exe	92
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 4972	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	RdrCEF.exe	94
PID 2892 wrote to memory of 1688	2892	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\77be5f381457c28ec85759ca959faeaa.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:4428
- 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:2892
- - 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=476A054474B6A29C096A46ED04E912AE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4972
- - 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=5AA5F6CE2BDC07986DF1723DFB637CD8 --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=5AA5F6CE2BDC07986DF1723DFB637CD8 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1688
- - 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=E9EBC7E89ACD5E720909C897F90268AE --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3728
- - 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=C9FCF98C66AB8EE8C7C0F7D2F7CFA0E0 --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=C9FCF98C66AB8EE8C7C0F7D2F7CFA0E0 --renderer-client-id=5 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1568
- - 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=029793DC6E76401D280E83BC447E50DA --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4868
- - 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=279E48F3CF93EF1C0F3487E45FB7B7C4 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5012

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4360

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
f4a0d1b0ea63d24a3c3d2a322404715d

SHA1
9ab16a0e26b9f10835ae3e998ec18ab6f14c645d

SHA256
a08200665d055101cb9824320d54e647571c70a0d4df0a7f175f5415a83626e9

SHA512
767b05ad1f60db1c776117a4c2f107ad955acf4a71c7dd52f8899ac9eee093b02f036e4a4eed3a3116148ff422207906ca876fd85016e1c610a919b7f12279f7

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