tinba | 4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60

General

Target

4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe
Size

88KB
MD5

028775e1c7935ba3c261412839c4a3d1
SHA1

937be3a04dc9c5fe3f5d4297b6e255f08921a66a
SHA256

4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60
SHA512

c47250a2749f012e7e025849b0d364d02e9ffa91462dcc036b6a5ca75eb96af9dbd1508f5170848b787cee2ce0c0fb63f68a522b2dcdd6bc56ff7918f39df723
SSDEEP

1536:f5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:f5fvp12UFKcD/6jwqWsNI

Score

10^/10

tinba banker discovery persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

winver.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\459B1A14 = "C:\\Users\\Admin\\AppData\\Roaming\\459B1A14\\bin.exe"	winver.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4720 3620 WerFault.exe winver.exe

pid	pid_target	process	target process
4720	3620	WerFault.exe	winver.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exewinver.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

winver.exe

pid process

3620 winver.exe
3620 winver.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Explorer.EXE

description pid process

Token: SeShutdownPrivilege 3428 Explorer.EXE
Token: SeCreatePagefilePrivilege 3428 Explorer.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid process

3620 winver.exe

pid	process
3620	winver.exe
3620	winver.exe

description	pid	process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

pid	process
3620	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exewinver.exe

description	pid	process	target process
PID 4928 wrote to memory of 3620	4928	4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe	winver.exe
PID 4928 wrote to memory of 3620	4928	4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe	winver.exe
PID 4928 wrote to memory of 3620	4928	4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe	winver.exe
PID 4928 wrote to memory of 3620	4928	4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe	winver.exe
PID 3620 wrote to memory of 3428	3620	winver.exe	Explorer.EXE
PID 3620 wrote to memory of 2620	3620	winver.exe	sihost.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2620

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428
- C:\Users\Admin\AppData\Local\Temp\4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe
  "C:\Users\Admin\AppData\Local\Temp\4d1d6edfd498bc0395e536a89156a6a635e2854cf1d385d7d188680371fc9c60.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4928
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3620
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 352
      4⤵
      Program crash
      PID:4720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3620 -ip 3620
1⤵
PID:4680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2620-13-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/3428-2-0x0000000000AE0000-0x0000000000AE6000-memory.dmp

Filesize
24KB

Download
memory/3428-1-0x0000000000AE0000-0x0000000000AE6000-memory.dmp

Filesize
24KB

Download
memory/3428-6-0x00007FFA7C9CC000-0x00007FFA7C9CD000-memory.dmp

Filesize
4KB

Download
memory/3428-5-0x00007FFA7C9CD000-0x00007FFA7C9CE000-memory.dmp

Filesize
4KB

Download
memory/3620-11-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/3620-14-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/3620-4-0x00000000777B2000-0x00000000777B3000-memory.dmp

Filesize
4KB

Download
memory/3620-7-0x00007FFA7C930000-0x00007FFA7CB25000-memory.dmp

Filesize
2.0MB

Download
memory/4928-3-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/4928-9-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/4928-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4928-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads