68c39f0c9f3a6cb37e76df88bfa5f7676d5c6c1d07aa1bd97d13acb3c7329928

Analysis

max time kernel
139s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 06:19

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General

Target

2b81aee1f38e29a7e768e474afc076be.exe
Size

214KB
MD5

2b81aee1f38e29a7e768e474afc076be
SHA1

5460a3d5b43f31d7aad68ca9dfc394d931f3bae5
SHA256

68c39f0c9f3a6cb37e76df88bfa5f7676d5c6c1d07aa1bd97d13acb3c7329928
SHA512

f8e9a5dbad1bd477334daa262a83092af594f09984e53b08149dfd0468f14a0a57cdff4d4ed76a8703248c9f0e2b8c12938178180ad60200ced3e8a1d207e148
SSDEEP

6144:QpQ93B7KnYyed+W5bZ9jmtMVosxIh7S3SDxMBQdq:QGn86bZ9jmyGsuhUSDxX

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3472-0-0x0000000000400000-0x0000000000494000-memory.dmp	upx
behavioral2/memory/3472-1-0x0000000000400000-0x0000000000494000-memory.dmp	upx
behavioral2/memory/3472-3-0x0000000000400000-0x0000000000494000-memory.dmp	upx
behavioral2/memory/3472-6-0x0000000000400000-0x0000000000494000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\npcom.exe	2b81aee1f38e29a7e768e474afc076be.exe
File created	C:\Windows\SysWOW64\tsetup.exe	2b81aee1f38e29a7e768e474afc076be.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 4856	3472	2b81aee1f38e29a7e768e474afc076be.exe	96
PID 3472 wrote to memory of 4856	3472	2b81aee1f38e29a7e768e474afc076be.exe	96
PID 3472 wrote to memory of 4856	3472	2b81aee1f38e29a7e768e474afc076be.exe	96

C:\Users\Admin\AppData\Local\Temp\2b81aee1f38e29a7e768e474afc076be.exe
"C:\Users\Admin\AppData\Local\Temp\2b81aee1f38e29a7e768e474afc076be.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 2b81aee1f38e29a7e768e474afc076be.bat
  2⤵
  PID:4856

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

C:\Users\Admin\AppData\Local\Temp\2b81aee1f38e29a7e768e474afc076be.bat

Filesize
163B

MD5
f3047893dd19fb70688d42bc90d9cdcb

SHA1
d780f8f28286774c9e23318b2ebf16d3ac76a610

SHA256
31232ece1cf69af5d23f9f2cbce734a74364b90340946953333f2faa603b228b

SHA512
b0b3e82df45f9e69a0fdadc6fde729702cb5ee78964501bc3ecac0ae3d52833dc65ab2302f6367e7b07f5bf4d3988e43524f3b01642bab7bbe97437161dfd1f4

Download Submit
memory/3472-0-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/3472-1-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/3472-2-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

Filesize
4KB

Download
memory/3472-3-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/3472-6-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download