9dce557f64f5812a25a0d08c2860aeecebcb663867b3a3463f3746bb75103a41

Analysis

max time kernel
141s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 17:08

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General

Target

7f21722aba9e2c75bd9959eed06b658c.pdf
Size

72KB
MD5

7f21722aba9e2c75bd9959eed06b658c
SHA1

64c5c11fbdf17ae40b4a4f381b18dc0b024de4a0
SHA256

9dce557f64f5812a25a0d08c2860aeecebcb663867b3a3463f3746bb75103a41
SHA512

f36014dc6f766e4492975a08d5d13f2afb72614e89d1e109e2d7aca3f98da3c42db67fef2851d75fa987bc736fd32ce5643dcb9b0731bfcbe7c1139e7eac5ca7
SSDEEP

1536:wejNaso5IGdi+H5yUZzGW521hSrYZ8VDNUFRKQgq9w19Wzv0:TIskP4+H1Zzn521uGFcv1Ev0

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe
4516	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 448	4516	AcroRd32.exe	92
PID 4516 wrote to memory of 448	4516	AcroRd32.exe	92
PID 4516 wrote to memory of 448	4516	AcroRd32.exe	92
PID 4516 wrote to memory of 3008	4516	AcroRd32.exe	96
PID 4516 wrote to memory of 3008	4516	AcroRd32.exe	96
PID 4516 wrote to memory of 3008	4516	AcroRd32.exe	96
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3300	448	RdrCEF.exe	98
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99
PID 448 wrote to memory of 3080	448	RdrCEF.exe	99

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\7f21722aba9e2c75bd9959eed06b658c.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4516
- 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:448
- - 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=076EEC2EFD5E4F4FC8B8CBAB8867F22F --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3300
- - 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=E9D9ADF3796565AD54BD7187E67D60EA --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=E9D9ADF3796565AD54BD7187E67D60EA --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3080
- - 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=9E9844AE4347041D68966DF8AFCC2964 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3176
- - 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=955F1CCF2B966D7E6B857CA561922F99 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3244
- - 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=121F4EDA2C52C3F1858FBB606409C74D --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4612
- 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:3008

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
809173971168b57661f1885bc84638bb

SHA1
cf07ce46337aad69470aecde7d4ebbec4f514d41

SHA256
e3539dc898b2f3f7b3d0b7d5b60b81e5613496df434e262842ccc057027fdfce

SHA512
b9bfd6274d41404624791a285457b521def017473623bb3cfdd5003a39d68518ae67c847dbc6623684be50135c61a77e97305c3bf4933f670bfdb6aff9ce22ec

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit