8f26c24b6b78a631db0850fe3358c31be3ccff69e9018127fda2a00c61869bd7

General

Target

8f26c24b6b78a631db0850fe3358c31be3ccff69e9018127fda2a00c61869bd7.exe
Size

154KB
MD5

4dfc6fd0aa6d7d397e19c0749a089210
SHA1

2a1ae383d6cfe187307bf1860982642bc864a2c7
SHA256

8f26c24b6b78a631db0850fe3358c31be3ccff69e9018127fda2a00c61869bd7
SHA512

b16f2235c064cc2899aad9bb162a96b737fc608ced45938a612cd6fd6f51fc679a7f7a525d9df778a33cb5484253b036a568a0798cba504140de2c8e35233821
SSDEEP

3072:JhebBAqtYA4FVb/NFiVDcVyH5q/hUAR+ifVj+lp2SXahfUBojVf+RDG:2ABLFlXLVk5quAhqlMjfU2yD

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5020	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3544	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	8f26c24b6b78a631db0850fe3358c31be3ccff69e9018127fda2a00c61869bd7.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2312	5020	WerFault.exe	82

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe
5020	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5020	Trojan.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3284 wrote to memory of 5020	3284	8f26c24b6b78a631db0850fe3358c31be3ccff69e9018127fda2a00c61869bd7.exe	82
PID 3284 wrote to memory of 5020	3284	8f26c24b6b78a631db0850fe3358c31be3ccff69e9018127fda2a00c61869bd7.exe	82
PID 5020 wrote to memory of 3544	5020	Trojan.exe	83
PID 5020 wrote to memory of 3544	5020	Trojan.exe	83

C:\Users\Admin\AppData\Local\Temp\8f26c24b6b78a631db0850fe3358c31be3ccff69e9018127fda2a00c61869bd7.exe
"C:\Users\Admin\AppData\Local\Temp\8f26c24b6b78a631db0850fe3358c31be3ccff69e9018127fda2a00c61869bd7.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3284
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5020
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:3544
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 5020 -s 1136
    3⤵
    - Program crash
    PID:2312

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 408 -p 5020 -ip 5020
1⤵
PID:3776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
154KB

MD5
4dfc6fd0aa6d7d397e19c0749a089210

SHA1
2a1ae383d6cfe187307bf1860982642bc864a2c7

SHA256
8f26c24b6b78a631db0850fe3358c31be3ccff69e9018127fda2a00c61869bd7

SHA512
b16f2235c064cc2899aad9bb162a96b737fc608ced45938a612cd6fd6f51fc679a7f7a525d9df778a33cb5484253b036a568a0798cba504140de2c8e35233821

Download Submit
C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
154KB

MD5
4dfc6fd0aa6d7d397e19c0749a089210

SHA1
2a1ae383d6cfe187307bf1860982642bc864a2c7

SHA256
8f26c24b6b78a631db0850fe3358c31be3ccff69e9018127fda2a00c61869bd7

SHA512
b16f2235c064cc2899aad9bb162a96b737fc608ced45938a612cd6fd6f51fc679a7f7a525d9df778a33cb5484253b036a568a0798cba504140de2c8e35233821

Download Submit
memory/3284-132-0x0000000000F10000-0x0000000000F3C000-memory.dmp

Filesize
176KB

Download
memory/3284-133-0x00007FF82DF10000-0x00007FF82E9D1000-memory.dmp

Filesize
10.8MB

Download
memory/3284-137-0x00007FF82DF10000-0x00007FF82E9D1000-memory.dmp

Filesize
10.8MB

Download
memory/5020-139-0x00007FF82DF10000-0x00007FF82E9D1000-memory.dmp

Filesize
10.8MB

Download
memory/5020-140-0x00007FF82DF10000-0x00007FF82E9D1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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