4fd4de629c781bda06968242aa08b0f136ec72bf25db1d8283f4e1c77226ee45

Analysis

max time kernel
158s
max time network
160s
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, 10:41

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General

Target

0ac3ad678f8fdac5d655a6d208b8e0f3.pdf
Size

77KB
MD5

0ac3ad678f8fdac5d655a6d208b8e0f3
SHA1

f41afc0d7e45d95b4c2a5400b9d31d02dcb31a78
SHA256

4fd4de629c781bda06968242aa08b0f136ec72bf25db1d8283f4e1c77226ee45
SHA512

6e941a4adfd2f6b8b685ed9f7fdcaf68297b656a8ddbefdf230bdb336869ac03a2ea277b046fc35cc55d5ff6797c398bb5bf02ce3e87d79404937dbd2ffe62f8
SSDEEP

1536:AcnZKYXTvs0bqMnP+Y/6EOX5Rq1312XubciGeqHx9rWkNpOPx+WpHuWBatng:fMg00eMP+G6NX+lEu1GeqHx2Px+WpHzL

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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 748	2216	AcroRd32.exe	96
PID 2216 wrote to memory of 748	2216	AcroRd32.exe	96
PID 2216 wrote to memory of 748	2216	AcroRd32.exe	96
PID 2216 wrote to memory of 3364	2216	AcroRd32.exe	97
PID 2216 wrote to memory of 3364	2216	AcroRd32.exe	97
PID 2216 wrote to memory of 3364	2216	AcroRd32.exe	97
PID 2216 wrote to memory of 1144	2216	AcroRd32.exe	98
PID 2216 wrote to memory of 1144	2216	AcroRd32.exe	98
PID 2216 wrote to memory of 1144	2216	AcroRd32.exe	98
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 4020	1144	RdrCEF.exe	99
PID 1144 wrote to memory of 1400	1144	RdrCEF.exe	100
PID 1144 wrote to memory of 1400	1144	RdrCEF.exe	100
PID 1144 wrote to memory of 1400	1144	RdrCEF.exe	100
PID 1144 wrote to memory of 1400	1144	RdrCEF.exe	100
PID 1144 wrote to memory of 1400	1144	RdrCEF.exe	100
PID 1144 wrote to memory of 1400	1144	RdrCEF.exe	100
PID 1144 wrote to memory of 1400	1144	RdrCEF.exe	100
PID 1144 wrote to memory of 1400	1144	RdrCEF.exe	100
PID 1144 wrote to memory of 1400	1144	RdrCEF.exe	100
PID 1144 wrote to memory of 1400	1144	RdrCEF.exe	100
PID 1144 wrote to memory of 1400	1144	RdrCEF.exe	100
PID 1144 wrote to memory of 1400	1144	RdrCEF.exe	100
PID 1144 wrote to memory of 1400	1144	RdrCEF.exe	100
PID 1144 wrote to memory of 1400	1144	RdrCEF.exe	100

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\0ac3ad678f8fdac5d655a6d208b8e0f3.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2216
- 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:748
- 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:3364
- 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:1144
- - 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=040ED1E2E109BACC3B84A9391D9C8E87 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4020
- - 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=FE3DACBBEDF5FB91AD1BE45A09D5D97C --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=FE3DACBBEDF5FB91AD1BE45A09D5D97C --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1400
- - 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=DA965FA16C7DBC82D04383045159220A --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3488
- - 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=A59CFB45CDCBC2328F479B9E6EED2BDF --mojo-platform-channel-handle=1800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3788
- - 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=1A27F738DD45B7256F6736E46CCCE397 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1972
- - 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=BEF27C3E57D78C8E910FCDF5E6A36485 --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=BEF27C3E57D78C8E910FCDF5E6A36485 --renderer-client-id=8 --mojo-platform-channel-handle=1880 --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" --backgroundcolor=16514043
  2⤵
  PID:4072

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:416

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
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
64KB

MD5
c04581ebc203fcff8e698ed7bf4d85fc

SHA1
4b03225f335d80dfdb25de1afff60a59f436d2a2

SHA256
874b7e4ba2d06c459cdc9f73491f5281fc118f92263a062d1f548aa112334cff

SHA512
f3ec302e4e5f99db1901142a7a9c36b984f4a2aa22c7f7072809909c307bc3da09c0ff555565252dceed36c2d93085c79741af6a32714f93a09a1aa8cd2f0343

Download Submit