0b6edaa6e020408d10809ec220f5ce97a307b760573391f1cd27586bfa37f999

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/02/2024, 03:16

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General

Target

ad8cbf56dbb0c1dd0a519c630360e174.exe
Size

12KB
MD5

ad8cbf56dbb0c1dd0a519c630360e174
SHA1

7bb9b372e65c6805bb1eebcfd84c007edec1fdfd
SHA256

0b6edaa6e020408d10809ec220f5ce97a307b760573391f1cd27586bfa37f999
SHA512

8f6b83a4f9df383eee278301986deffdb42aeb8cc81f94fbb37527ee4e39593b71ed5bc24f2c9c319d321cf437ececf16092cb9244b0a45077cf1738fb987f30
SSDEEP

192:pGRrrkqrlfyag02iAqSR93EBShEQJSv/IQGyjHLunS91R98mm7SVUD+:pGRHjqa92iAqSz0BXQ0IWHLdb98Ruk+

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Deletes itself 1 IoCs

pid	Process
2556	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2208	docyanxk.exe

Loads dropped DLL 2 IoCs

pid	Process
2744	ad8cbf56dbb0c1dd0a519c630360e174.exe
2744	ad8cbf56dbb0c1dd0a519c630360e174.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2744-1-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x000c00000001445e-3.dat	upx
behavioral1/memory/2744-4-0x0000000000030000-0x000000000003F000-memory.dmp	upx
behavioral1/memory/2208-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2744-20-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\docyanx.dll	ad8cbf56dbb0c1dd0a519c630360e174.exe
File created	C:\Windows\SysWOW64\docyanxk.exe	ad8cbf56dbb0c1dd0a519c630360e174.exe
File opened for modification	C:\Windows\SysWOW64\docyanxk.exe	ad8cbf56dbb0c1dd0a519c630360e174.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2744	ad8cbf56dbb0c1dd0a519c630360e174.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2208	2744	ad8cbf56dbb0c1dd0a519c630360e174.exe	28
PID 2744 wrote to memory of 2208	2744	ad8cbf56dbb0c1dd0a519c630360e174.exe	28
PID 2744 wrote to memory of 2208	2744	ad8cbf56dbb0c1dd0a519c630360e174.exe	28
PID 2744 wrote to memory of 2208	2744	ad8cbf56dbb0c1dd0a519c630360e174.exe	28
PID 2744 wrote to memory of 2556	2744	ad8cbf56dbb0c1dd0a519c630360e174.exe	29
PID 2744 wrote to memory of 2556	2744	ad8cbf56dbb0c1dd0a519c630360e174.exe	29
PID 2744 wrote to memory of 2556	2744	ad8cbf56dbb0c1dd0a519c630360e174.exe	29
PID 2744 wrote to memory of 2556	2744	ad8cbf56dbb0c1dd0a519c630360e174.exe	29

C:\Users\Admin\AppData\Local\Temp\ad8cbf56dbb0c1dd0a519c630360e174.exe
"C:\Users\Admin\AppData\Local\Temp\ad8cbf56dbb0c1dd0a519c630360e174.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\SysWOW64\docyanxk.exe
  C:\Windows\system32\docyanxk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2208
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\ad8cbf56dbb0c1dd0a519c630360e174.exe.bat
  2⤵
  - Deletes itself
  PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ad8cbf56dbb0c1dd0a519c630360e174.exe.bat

Filesize
182B

MD5
14981314f1790335591ec878284cb49e

SHA1
65c25b1d96d8304acdd510b49a6dbf592d060f34

SHA256
5bba35660c0018591193cae84b7f27cfe75945f2770f27c4f9e191fbfd7f4a20

SHA512
d402faad96f1048581d01b184f399edcf38b4830c7145e98964f17ecd14eaf222b2edf33e1c106258c4c4bed2dc94db103301df782cbf9e2262327804c01b819

Download Submit
\Windows\SysWOW64\docyanxk.exe

Filesize
12KB

MD5
ad8cbf56dbb0c1dd0a519c630360e174

SHA1
7bb9b372e65c6805bb1eebcfd84c007edec1fdfd

SHA256
0b6edaa6e020408d10809ec220f5ce97a307b760573391f1cd27586bfa37f999

SHA512
8f6b83a4f9df383eee278301986deffdb42aeb8cc81f94fbb37527ee4e39593b71ed5bc24f2c9c319d321cf437ececf16092cb9244b0a45077cf1738fb987f30

Download Submit
memory/2208-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2744-1-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2744-4-0x0000000000030000-0x000000000003F000-memory.dmp

Filesize
60KB

Download
memory/2744-11-0x0000000000030000-0x000000000003F000-memory.dmp

Filesize
60KB

Download
memory/2744-20-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download