72d779a0485360b5a636bc014d5ccf88ff4745453382ac675b968d5301f9b418

Analysis

max time kernel
4s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 17:29

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General

Target

4c0a7ca04aac0a5abb6a0ae0d59d7a0d.exe
Size

250KB
MD5

4c0a7ca04aac0a5abb6a0ae0d59d7a0d
SHA1

1bb69e84abfd74269e9785f5b679c30467532a14
SHA256

72d779a0485360b5a636bc014d5ccf88ff4745453382ac675b968d5301f9b418
SHA512

aa5cc1743d5443609c8b749d45066ca06193164d87bd4672eee720d097d99716d9acff4854f413dfe32c6fe7a681da25d131c546f9186592f7b327e45ded835e
SSDEEP

6144:j7y+Qfb56BBMl5yyw5CpA/7sJ5pwvP6bQ7yMP+DE827KJF:/yf6aw5krJ5i6b7MP+Dd2A

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\inf\ram32xp.dll	4c0a7ca04aac0a5abb6a0ae0d59d7a0d.exe
File created	C:\Windows\inf\ram65xp.dll	4c0a7ca04aac0a5abb6a0ae0d59d7a0d.exe

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	4c0a7ca04aac0a5abb6a0ae0d59d7a0d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	4c0a7ca04aac0a5abb6a0ae0d59d7a0d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	4c0a7ca04aac0a5abb6a0ae0d59d7a0d.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000_Classes\Local Settings	explorer.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3140 wrote to memory of 4332	3140	4c0a7ca04aac0a5abb6a0ae0d59d7a0d.exe	20
PID 3140 wrote to memory of 4332	3140	4c0a7ca04aac0a5abb6a0ae0d59d7a0d.exe	20
PID 3140 wrote to memory of 4332	3140	4c0a7ca04aac0a5abb6a0ae0d59d7a0d.exe	20
PID 1876 wrote to memory of 4908	1876	explorer.exe	22
PID 1876 wrote to memory of 4908	1876	explorer.exe	22
PID 1876 wrote to memory of 4908	1876	explorer.exe	22
PID 4908 wrote to memory of 3516	4908	AcroRd32.exe	81
PID 4908 wrote to memory of 3516	4908	AcroRd32.exe	81
PID 4908 wrote to memory of 3516	4908	AcroRd32.exe	81
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4888	3516	RdrCEF.exe	89
PID 3516 wrote to memory of 4492	3516	RdrCEF.exe	90
PID 3516 wrote to memory of 4492	3516	RdrCEF.exe	90
PID 3516 wrote to memory of 4492	3516	RdrCEF.exe	90
PID 3516 wrote to memory of 4492	3516	RdrCEF.exe	90
PID 3516 wrote to memory of 4492	3516	RdrCEF.exe	90
PID 3516 wrote to memory of 4492	3516	RdrCEF.exe	90
PID 3516 wrote to memory of 4492	3516	RdrCEF.exe	90
PID 3516 wrote to memory of 4492	3516	RdrCEF.exe	90
PID 3516 wrote to memory of 4492	3516	RdrCEF.exe	90
PID 3516 wrote to memory of 4492	3516	RdrCEF.exe	90
PID 3516 wrote to memory of 4492	3516	RdrCEF.exe	90
PID 3516 wrote to memory of 4492	3516	RdrCEF.exe	90
PID 3516 wrote to memory of 4492	3516	RdrCEF.exe	90
PID 3516 wrote to memory of 4492	3516	RdrCEF.exe	90

C:\Users\Admin\AppData\Local\Temp\4c0a7ca04aac0a5abb6a0ae0d59d7a0d.exe
"C:\Users\Admin\AppData\Local\Temp\4c0a7ca04aac0a5abb6a0ae0d59d7a0d.exe"
1⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3140
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe "c:\FINAL_TBF2.pdf"
  2⤵
  PID:4332

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1876
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\FINAL_TBF2.pdf"
  2⤵
  - Checks processor information in registry
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4908
- - 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
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3516
  - - 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=484233BC3CFBC1209C2ECBD6C810FF12 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:4888
  - - 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=FBF1E7B1E8A63CD0A3D43C7CEAE4D938 --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=FBF1E7B1E8A63CD0A3D43C7CEAE4D938 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
      4⤵
      PID:4492
  - - 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=2FC9B632B6A38D1480EA480457131687 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:2344
  - - 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=1175013FAFE0B463AF9A0B2C23C5B5C6 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:3928
  - - 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=07191E74CE3CF5A4FAFAADADF1FE340B --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      PID:3312

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4348

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

memory/3140-0-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3140-1-0x0000000000630000-0x0000000000660000-memory.dmp

Filesize
192KB

Download
memory/3140-15-0x0000000002300000-0x0000000002301000-memory.dmp

Filesize
4KB

Download
memory/3140-13-0x00000000009D0000-0x00000000009D1000-memory.dmp

Filesize
4KB

Download
memory/3140-14-0x0000000002310000-0x0000000002311000-memory.dmp

Filesize
4KB

Download
memory/3140-12-0x00000000009E0000-0x00000000009E1000-memory.dmp

Filesize
4KB

Download
memory/3140-11-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/3140-10-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/3140-9-0x00000000023D0000-0x00000000023D1000-memory.dmp

Filesize
4KB

Download
memory/3140-8-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/3140-7-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download
memory/3140-17-0x0000000000630000-0x0000000000660000-memory.dmp

Filesize
192KB

Download
memory/3140-16-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3140-6-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/3140-5-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/3140-4-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/3140-3-0x0000000000660000-0x0000000000662000-memory.dmp

Filesize
8KB

Download