541e7eb3677f54ed7b82903cd608c42aaf4ac28495d65ece13e23c6ca5169bc1

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
18/07/2023, 13:03

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General

Target

b4479c37cb051a_JC.exe
Size

66KB
MD5

b4479c37cb051ae922d1d6278a50fb02
SHA1

e9d8814be2dc1b49f396c5cbbf561584339d2722
SHA256

541e7eb3677f54ed7b82903cd608c42aaf4ac28495d65ece13e23c6ca5169bc1
SHA512

cbee5a955f692c4a3a8d02480bedce5ed09f66d5130accbcc060dae5143772e9ffa34381592478a6ec94498e3ce5686d44b4bbcd0a07b04f179dc2b3b004dec4
SSDEEP

1536:79mqyNhQMOtEvwDpjBPY7xv3gnQe+OHF7c:RlqbOtEvwDpjBgf

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2316	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2592	b4479c37cb051a_JC.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 2316	2592	b4479c37cb051a_JC.exe	28
PID 2592 wrote to memory of 2316	2592	b4479c37cb051a_JC.exe	28
PID 2592 wrote to memory of 2316	2592	b4479c37cb051a_JC.exe	28
PID 2592 wrote to memory of 2316	2592	b4479c37cb051a_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\b4479c37cb051a_JC.exe
"C:\Users\Admin\AppData\Local\Temp\b4479c37cb051a_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2316

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
66KB

MD5
19b1e959c1212fad7bbef9ec9995d476

SHA1
b41ac96c30ffff888288f392ac86c49c37d87ee4

SHA256
816584000902d59687deebb34530a822ded1c6427128a2dfc57d0e56e00cb553

SHA512
1371da4eb21fa740c83b7af7f96543f90706915474f75e592e2de21d6f3765f9e6d0dcc1405dcb958b4bd5fdaf871db482a886e217ce04bf19e4f92c4c4a87bb

Download Submit
C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
66KB

MD5
19b1e959c1212fad7bbef9ec9995d476

SHA1
b41ac96c30ffff888288f392ac86c49c37d87ee4

SHA256
816584000902d59687deebb34530a822ded1c6427128a2dfc57d0e56e00cb553

SHA512
1371da4eb21fa740c83b7af7f96543f90706915474f75e592e2de21d6f3765f9e6d0dcc1405dcb958b4bd5fdaf871db482a886e217ce04bf19e4f92c4c4a87bb

Download Submit
\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
66KB

MD5
19b1e959c1212fad7bbef9ec9995d476

SHA1
b41ac96c30ffff888288f392ac86c49c37d87ee4

SHA256
816584000902d59687deebb34530a822ded1c6427128a2dfc57d0e56e00cb553

SHA512
1371da4eb21fa740c83b7af7f96543f90706915474f75e592e2de21d6f3765f9e6d0dcc1405dcb958b4bd5fdaf871db482a886e217ce04bf19e4f92c4c4a87bb

Download Submit
memory/2316-73-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2316-72-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2316-74-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2316-82-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2592-69-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2592-68-0x00000000026B0000-0x00000000026BF000-memory.dmp

Filesize
60KB

Download
memory/2592-56-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2592-57-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2592-55-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2592-54-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2592-81-0x00000000026B0000-0x00000000026BF000-memory.dmp

Filesize
60KB

Download