bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d

General

Target

bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe
Size

585KB
MD5

aa250d21c37e4dcda9a10049c1d9ba0f
SHA1

97a5a3120d7906cace5fefc825395df94b21f5e8
SHA256

bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d
SHA512

c99023ba28f40f1cbae380157ecc11b4c9ff6960791f2cb2dc66b451cb4a967853fccbb8a647ce068874d66c9c80dab1c66f93af401ad1679b8cd7c5b94d8306
SSDEEP

6144:ZL1UZrXrLWx85SvvE7pjYFoqphjsjwoHlppHo32:Fx8gm

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2156	Trojan.exe
4084	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1972	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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 428 set thread context of 260	428	bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe	83
PID 2156 set thread context of 4084	2156	Trojan.exe	88

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
428	bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe
428	bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe
428	bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe
2156	Trojan.exe
2156	Trojan.exe
2156	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe
4084	Trojan.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	428	bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe
Token: SeDebugPrivilege	2156	Trojan.exe
Token: SeDebugPrivilege	4084	Trojan.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 428 wrote to memory of 260	428	bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe	83
PID 428 wrote to memory of 260	428	bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe	83
PID 428 wrote to memory of 260	428	bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe	83
PID 428 wrote to memory of 260	428	bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe	83
PID 428 wrote to memory of 260	428	bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe	83
PID 260 wrote to memory of 2156	260	bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe	86
PID 260 wrote to memory of 2156	260	bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe	86
PID 260 wrote to memory of 2156	260	bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe	86
PID 2156 wrote to memory of 4084	2156	Trojan.exe	88
PID 2156 wrote to memory of 4084	2156	Trojan.exe	88
PID 2156 wrote to memory of 4084	2156	Trojan.exe	88
PID 2156 wrote to memory of 4084	2156	Trojan.exe	88
PID 2156 wrote to memory of 4084	2156	Trojan.exe	88
PID 4084 wrote to memory of 1972	4084	Trojan.exe	89
PID 4084 wrote to memory of 1972	4084	Trojan.exe	89
PID 4084 wrote to memory of 1972	4084	Trojan.exe	89

C:\Users\Admin\AppData\Local\Temp\bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe
"C:\Users\Admin\AppData\Local\Temp\bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:428
- C:\Users\Admin\AppData\Local\Temp\bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe
  C:\Users\Admin\AppData\Local\Temp\bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:260
- - C:\Users\Admin\AppData\Local\Temp\Trojan.exe
    "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2156
  - - C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      4⤵
      Executes dropped EXE
      Drops startup file
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4084
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        
        PID:1972

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\Microsoft\CLR_v4.0_32\UsageLogs\bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d.exe.log

Filesize
1KB

MD5
538ee74ddfcbf924e2e47b9f864fe78b

SHA1
756a1099bd4a2717ffc54b4dcf1b99920efd478c

SHA256
6179c371394293f2727d88f13b2b56d58c92a0188880c1b32a1c7f9bc92b5073

SHA512
0fdaf79a972b70a70559bb3a74513e2c76de2d48629df491d5a5a61de8547cd2bffc7acff332105ce8acc72cf49cc86bb2bea4191dc92cc14b6d0914e3654952

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

Filesize
585KB

MD5
aa250d21c37e4dcda9a10049c1d9ba0f

SHA1
97a5a3120d7906cace5fefc825395df94b21f5e8

SHA256
bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d

SHA512
c99023ba28f40f1cbae380157ecc11b4c9ff6960791f2cb2dc66b451cb4a967853fccbb8a647ce068874d66c9c80dab1c66f93af401ad1679b8cd7c5b94d8306

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

Filesize
585KB

MD5
aa250d21c37e4dcda9a10049c1d9ba0f

SHA1
97a5a3120d7906cace5fefc825395df94b21f5e8

SHA256
bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d

SHA512
c99023ba28f40f1cbae380157ecc11b4c9ff6960791f2cb2dc66b451cb4a967853fccbb8a647ce068874d66c9c80dab1c66f93af401ad1679b8cd7c5b94d8306

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

Filesize
585KB

MD5
aa250d21c37e4dcda9a10049c1d9ba0f

SHA1
97a5a3120d7906cace5fefc825395df94b21f5e8

SHA256
bffc2262e430fd4be79f108607e57c774aa854492e4ba821f322b33b4fbac81d

SHA512
c99023ba28f40f1cbae380157ecc11b4c9ff6960791f2cb2dc66b451cb4a967853fccbb8a647ce068874d66c9c80dab1c66f93af401ad1679b8cd7c5b94d8306

Download Submit
memory/260-138-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/428-132-0x0000000000150000-0x00000000001E8000-memory.dmp

Filesize
608KB

Download
memory/428-136-0x00000000070A0000-0x000000000713C000-memory.dmp

Filesize
624KB

Download
memory/428-135-0x0000000004BA0000-0x0000000004BAA000-memory.dmp

Filesize
40KB

Download
memory/428-134-0x0000000004BD0000-0x0000000004C62000-memory.dmp

Filesize
584KB

Download
memory/428-133-0x00000000050E0000-0x0000000005684000-memory.dmp

Filesize
5.6MB

Download

Analysis

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