e26b6c0ec9f054c9a709fd372b16a52b9d133f4439f00ac2f18fa58874cd0047

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 22:44

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General

Target

05fbbfb865557ff3a0b8b980c1f6b216.exe
Size

79KB
MD5

05fbbfb865557ff3a0b8b980c1f6b216
SHA1

ec4bb9cb596b5363c7752725903d79ec323fe932
SHA256

e26b6c0ec9f054c9a709fd372b16a52b9d133f4439f00ac2f18fa58874cd0047
SHA512

d3b596b0e611e54d17b5688cc56df9b12575703bde5c487bff48f6964ddd0a70a5bcdf3765dbf2d31f6a99de6613a76b598806af20701bbd8e52dd670818784a
SSDEEP

1536:fpgpHzb9dZVX9fHMvG0D3XJogdLeAyNahkMMIeswxZiTKd1drj6CSWmM:BgXdZt9P6D3XJoceA3pLeWuxj6JTM

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1264	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
1264	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
284	05fbbfb865557ff3a0b8b980c1f6b216.exe
1264	Au_.exe
1264	Au_.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral1/files/0x000f000000015c2f-2.dat	nsis_installer_1
behavioral1/files/0x000f000000015c2f-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 284 wrote to memory of 1264	284	05fbbfb865557ff3a0b8b980c1f6b216.exe	28
PID 284 wrote to memory of 1264	284	05fbbfb865557ff3a0b8b980c1f6b216.exe	28
PID 284 wrote to memory of 1264	284	05fbbfb865557ff3a0b8b980c1f6b216.exe	28
PID 284 wrote to memory of 1264	284	05fbbfb865557ff3a0b8b980c1f6b216.exe	28

C:\Users\Admin\AppData\Local\Temp\05fbbfb865557ff3a0b8b980c1f6b216.exe
"C:\Users\Admin\AppData\Local\Temp\05fbbfb865557ff3a0b8b980c1f6b216.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:284
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

\Users\Admin\AppData\Local\Temp\nsy824B.tmp\KillProcDLL.dll

Filesize
44KB

MD5
3599d30554ad65dc29fc689217d2152e

SHA1
8f5fcc313b667a1de2d56573bcf98d43fd0d4ff9

SHA256
1af3ac7d3176af42e8594ba0c33821d3318f4eea5cbb799bf8fab58e480efe0e

SHA512
846776b1d908b5204667715ffdfd3a6c76dface1677e8b1e5156ceac2ef0a739f68b48ccbb919c9e08d6ff359a93174bf0b90def7d48cee54cd3c41d8d8575f2

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\Users\Admin\AppData\Local\Temp\nsy824B.tmp\inetc.dll

Filesize
21KB

MD5
d90021fa6e58e4006f0bc892238e894e

SHA1
5377e83ac32e0e13190a26f0020a5fa50ea78c8c

SHA256
e20683095e7e8580955e11632293d52d609e802b899099d3ee246d1a4828f2b1

SHA512
696a442e62cfeee863f50bffc9c8c890458fdac92f6d92f465f895cd4d0fa58607db4dacf518251b83824c3d795482d47d76c877b84f1af3129bbf9526e9f347

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\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
79KB

MD5
05fbbfb865557ff3a0b8b980c1f6b216

SHA1
ec4bb9cb596b5363c7752725903d79ec323fe932

SHA256
e26b6c0ec9f054c9a709fd372b16a52b9d133f4439f00ac2f18fa58874cd0047

SHA512
d3b596b0e611e54d17b5688cc56df9b12575703bde5c487bff48f6964ddd0a70a5bcdf3765dbf2d31f6a99de6613a76b598806af20701bbd8e52dd670818784a

Download Submit