278f0fc06d1e17fc3994304f6aa0304128a189f0ec68ec95853bc0b119206e59

Analysis

max time kernel
33s
max time network
35s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
24/04/2023, 18:46

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General

Target

synapse.exe
Size

8KB
MD5

4506834ae8d565ab52b2809540835d45
SHA1

ba6f9abcbd5f26013499b254a389b365f53049fd
SHA256

278f0fc06d1e17fc3994304f6aa0304128a189f0ec68ec95853bc0b119206e59
SHA512

883af1ad6cac152f552674a679b25d88dea0d236aa7aac1371afd0bf3b768d496e8768c020a83423368e2994d3bc13bf79a811fb8b45d8a3397a040d60d15e53
SSDEEP

192:Q/Sg1iGoiZX9llYeM0arl/DcMcbK2m7oim5Y+eLbM:Q/Sg1Nvlljarl/6u2woiaA

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	icanhazip.com

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1272	324	WerFault.exe	25

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1000	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	324	synapse.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 324 wrote to memory of 1272	324	synapse.exe	29
PID 324 wrote to memory of 1272	324	synapse.exe	29
PID 324 wrote to memory of 1272	324	synapse.exe	29
PID 324 wrote to memory of 1272	324	synapse.exe	29

C:\Users\Admin\AppData\Local\Temp\synapse.exe
"C:\Users\Admin\AppData\Local\Temp\synapse.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:324
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 324 -s 1416
  2⤵
  - Program crash
  PID:1272

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\InstallStep.pcx
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
PID:1000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/324-54-0x0000000001160000-0x0000000001168000-memory.dmp

Filesize
32KB

Download
memory/324-55-0x00000000051E0000-0x0000000005220000-memory.dmp

Filesize
256KB

Download