a3fbbc803ac92b6b3f98c34c43928ba9bb866e81c0f6d9b1865ea03e3cece86c

Analysis

max time kernel
112s
max time network
96s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
15/07/2024, 21:12

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General

Target

0ea144fcc6f164e3a2920ea1be195290N.exe
Size

27KB
MD5

0ea144fcc6f164e3a2920ea1be195290
SHA1

e4f4d273962b4294b7df78a352a5d36815cfb811
SHA256

a3fbbc803ac92b6b3f98c34c43928ba9bb866e81c0f6d9b1865ea03e3cece86c
SHA512

1bd2d80055fe5ad0be7a48a1e77a91587b06b1e1048a94e316f74d79d5c31dec653d478effade7f2baff3082fa06d85443c6e250c9ba0fc4b76933764a1116dc
SSDEEP

384:MqvAXxH6zoHAcIWed4+kSLqrXla7vvxlLjlB/:zWxMoHNed6a7DZh

Score

8^/10

evasion

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
1664	attrib.exe

Deletes itself 1 IoCs

pid	Process
2324	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1736	acahost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\acahost.exe	0ea144fcc6f164e3a2920ea1be195290N.exe
File opened for modification	C:\Windows\Debug\acahost.exe	0ea144fcc6f164e3a2920ea1be195290N.exe
File opened for modification	C:\Windows\Debug\acahost.exe	attrib.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3048	0ea144fcc6f164e3a2920ea1be195290N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 1664	3048	0ea144fcc6f164e3a2920ea1be195290N.exe	29
PID 3048 wrote to memory of 1664	3048	0ea144fcc6f164e3a2920ea1be195290N.exe	29
PID 3048 wrote to memory of 1664	3048	0ea144fcc6f164e3a2920ea1be195290N.exe	29
PID 3048 wrote to memory of 1664	3048	0ea144fcc6f164e3a2920ea1be195290N.exe	29
PID 3048 wrote to memory of 2324	3048	0ea144fcc6f164e3a2920ea1be195290N.exe	32
PID 3048 wrote to memory of 2324	3048	0ea144fcc6f164e3a2920ea1be195290N.exe	32
PID 3048 wrote to memory of 2324	3048	0ea144fcc6f164e3a2920ea1be195290N.exe	32
PID 3048 wrote to memory of 2324	3048	0ea144fcc6f164e3a2920ea1be195290N.exe	32

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1664	attrib.exe

C:\Users\Admin\AppData\Local\Temp\0ea144fcc6f164e3a2920ea1be195290N.exe
"C:\Users\Admin\AppData\Local\Temp\0ea144fcc6f164e3a2920ea1be195290N.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\acahost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:1664
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\0EA144~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2324

C:\Windows\Debug\acahost.exe
C:\Windows\Debug\acahost.exe
1⤵
- Executes dropped EXE
PID:1736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\debug\acahost.exe

Filesize
27KB

MD5
9e0def779d6e2bb83acd00d729ea3434

SHA1
b1474937611bcd0603a68817a830d7855432e523

SHA256
addc88163a5670a3f7789daed35ba4362f30c4a5b8a28ad9a39834891bea680b

SHA512
167a08c54f7c065f8567c97982fcdcf834656c880c5ff01dd8a206bf7ce67d9a9d65db2f33c59ebc15f005e95c7efa2d1e34531ae1cc4b7ca285cfdd9e98d714

Download Submit
memory/1736-7-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1736-10-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1736-13-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1736-16-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3048-0-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3048-6-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads