a3f1f903f4fc052905e7d9fbd2e967948dcc356698017d74b90bf8ab78043d1c

Analysis

max time kernel
141s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27-01-2024 18:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7af2fa1ee1d3333f198bed40ed69a181.exe
Size

9KB
MD5

7af2fa1ee1d3333f198bed40ed69a181
SHA1

63ce9aacb77818dddae009a49ba3963e509c1832
SHA256

a3f1f903f4fc052905e7d9fbd2e967948dcc356698017d74b90bf8ab78043d1c
SHA512

16a4c6e28aafcbf135e48dbe3c90e12bca05d971ce2b4312a03a343d023a794d95b9b977e16c9b788009a125ad0e69e6ff32d32a715ac220793d2e8a9462d95c
SSDEEP

192:L8xYwSeIxEmd7+HfwPFjxhXEyncjWO9SwOGgxDzvnIdh/:AxYwSpEff6Fdh1n2SJ/zgdJ

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2432	IE4321.exe

Loads dropped DLL 2 IoCs

pid	Process
2040	7af2fa1ee1d3333f198bed40ed69a181.exe
2040	7af2fa1ee1d3333f198bed40ed69a181.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2040-1-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/files/0x000d0000000122c3-3.dat	upx
behavioral1/memory/2040-5-0x00000000005A0000-0x00000000005A8000-memory.dmp	upx
behavioral1/memory/2432-12-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2432-13-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Olympic = "C:\\Users\\Admin\\AppData\\Roaming\\sgrunt\\IE4321.exe"	7af2fa1ee1d3333f198bed40ed69a181.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 2040 wrote to memory of 2432	2040	7af2fa1ee1d3333f198bed40ed69a181.exe	28
PID 2040 wrote to memory of 2432	2040	7af2fa1ee1d3333f198bed40ed69a181.exe	28
PID 2040 wrote to memory of 2432	2040	7af2fa1ee1d3333f198bed40ed69a181.exe	28
PID 2040 wrote to memory of 2432	2040	7af2fa1ee1d3333f198bed40ed69a181.exe	28

C:\Users\Admin\AppData\Local\Temp\7af2fa1ee1d3333f198bed40ed69a181.exe
"C:\Users\Admin\AppData\Local\Temp\7af2fa1ee1d3333f198bed40ed69a181.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Roaming\sgrunt\IE4321.exe
  "C:\Users\Admin\AppData\Roaming\sgrunt\IE4321.exe"
  2⤵
  - Executes dropped EXE
  PID:2432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Roaming\sgrunt\IE4321.exe

Filesize
4KB

MD5
9cc2d8de3019d3db37c434ea82dc55f0

SHA1
56bedb4b591c3dcac99b2813feabba0b1f3fe490

SHA256
5c4f3dbc8ed1568661f2c3282752db8234530cb8f5466fa716ecc88d5f40b6e6

SHA512
df031c24d572a144637ffabbce072a198d7fa0c257e676199a10328314e44980cca675ef9143ecadc67d00f617a21c1e667695a27e50da99b928730888c427a0

Download Submit
memory/2040-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2040-5-0x00000000005A0000-0x00000000005A8000-memory.dmp

Filesize
32KB

Download
memory/2432-12-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2432-13-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads