da85c3a7fcb98609de7b5c4a8646b9caecb4fa104e9ebdde2e3da96aa84d42df

Analysis

max time kernel
143s
max time network
162s
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, 05:54

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
58272416462f56607eb945f8ce9a0924.pdf
Size 123KB
Sample231226-gl99dacebl
SHA256 da85c3a7fcb98609de7b5c4a8646b9caecb4fa104e9ebdde2e3da96aa84d42df
MD5 58272416462f56607eb945f8ce9a0924
SHA1 be6004d7948e1bfa5781683b48851a17b760e186
SHA512 fdc44c7954295078893ec645f83e2fbe1cbce29e7ef1fb3c2f1d086d48a90b8aa03df9249d5455f25dfd94c161081b34df229d41a43c184214b417522d2306e4
SSDEEP 3072:z/XvI73CryX7W44xSnWa6954stoToX6yrTIFY/E7A6iH:zH2rW4cCBO54vQ6yUjiH
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3400	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe
3400	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 5004	3400	AcroRd32.exe	93
PID 3400 wrote to memory of 5004	3400	AcroRd32.exe	93
PID 3400 wrote to memory of 5004	3400	AcroRd32.exe	93
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 5116	5004	RdrCEF.exe	98
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	RdrCEF.exe	99
PID 5004 wrote to memory of 1640	5004	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\58272416462f56607eb945f8ce9a0924.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:3400
- 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:5004
- - 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=A2B21925A272B536FEF87DACC5021EAE --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5116
- - 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=DE608162AF416846F178BD86B67A3B0B --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=DE608162AF416846F178BD86B67A3B0B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1640
- - 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=4DBCE4640833E1B082253E0B7F52311C --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=4DBCE4640833E1B082253E0B7F52311C --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:512
- - 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=355594B02507140A76F2E568F7067FEF --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3372
- - 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=3A3932C9CBFCB9FC725A473784C01A6D --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:396
- - 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=DB5A3A48FE8DF6D764FB50A337D72492 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1080

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4008

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 63f3c9b22766e2bb9736ac6a492ece5afce2b6e3dfd1c1ca8bd5f17c8dbf2c0c
MD5 411af51577f267e00ecad5097eef0e5c
SHA1 137172ff98c467cb4f0076984e4910d526e822c8
SHA512 27f255b69a06cbc0d6a7f67354455852338bb1ba6683ba78b9dd2b155f7b054cc9aee17a325f2c79eb929aaa6050f7f792ad6957cbc70bef745639a00b88d27f
SSDEEP 384:yeEdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:P+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

Submit Download

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

Submit Download

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

Submit Download