e107b3e439f590051d905d6748ee754c2071623494c773eec6959ffcc8b1ba84

Analysis

max time kernel
0s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 10:14

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General

Target

1669a148b1cf49b41786a6a0611562bf.exe
Size

9KB
MD5

1669a148b1cf49b41786a6a0611562bf
SHA1

6e7162063bbadcd6da33a5ec959d7d38dd3da4e3
SHA256

e107b3e439f590051d905d6748ee754c2071623494c773eec6959ffcc8b1ba84
SHA512

d3e046c6802eabc463f0b1c4eb89d806f9298d6a47587a703cf600c91b3634e80b80fb069a7bd4ed679cc1cedfaeaa62b78098ab396f3d50b286a5ce7b303ea0
SSDEEP

192:2tQtE4eAFB1Z0WVUVEmW9RDFaNJhLkwcud2DH9VwGfctIUP:uQCkRUO9JaNJawcudoD7UlP

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2236	b2e.exe

Loads dropped DLL 2 IoCs

pid	Process
1876	1669a148b1cf49b41786a6a0611562bf.exe
1876	1669a148b1cf49b41786a6a0611562bf.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1876-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1876-13-0x0000000000560000-0x0000000000565000-memory.dmp	upx
behavioral1/memory/1876-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx

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 1876 wrote to memory of 2236	1876	1669a148b1cf49b41786a6a0611562bf.exe	16
PID 1876 wrote to memory of 2236	1876	1669a148b1cf49b41786a6a0611562bf.exe	16
PID 1876 wrote to memory of 2236	1876	1669a148b1cf49b41786a6a0611562bf.exe	16
PID 1876 wrote to memory of 2236	1876	1669a148b1cf49b41786a6a0611562bf.exe	16

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\954.tmp\batchfile.bat" "
1⤵
PID:2900

C:\Users\Admin\AppData\Local\Temp\915.tmp\b2e.exe
"C:\Users\Admin\AppData\Local\Temp\915.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\915.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\1669a148b1cf49b41786a6a0611562bf.exe"
1⤵
- Executes dropped EXE
PID:2236
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\selfdel0.bat" "
  2⤵
  PID:2640

C:\Users\Admin\AppData\Local\Temp\1669a148b1cf49b41786a6a0611562bf.exe
"C:\Users\Admin\AppData\Local\Temp\1669a148b1cf49b41786a6a0611562bf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1876

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

memory/1876-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1876-14-0x0000000000560000-0x0000000000565000-memory.dmp

Filesize
20KB

Download
memory/1876-13-0x0000000000560000-0x0000000000565000-memory.dmp

Filesize
20KB

Download
memory/1876-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1876-58-0x0000000000560000-0x0000000000565000-memory.dmp

Filesize
20KB

Download
memory/2236-15-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2236-56-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2900-40-0x0000000000400000-0x0000000000401000-memory.dmp

Filesize
4KB

Download