tinba | 3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5f

General

Target

3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe
Size

225KB
MD5

854a4a9c11de38f411e30532270fede0
SHA1

f6fe5c6bc03e4da1f857a4b5aaa834f72120f15e
SHA256

3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5f
SHA512

d7d541f8a1b227d5691fec5723c1e430555ab7993dc58f2ae25431d3b4477b1795446f62b4e978d4a0ea1b188b16c9d053cb27229320cb87e9838919396ca7cd
SSDEEP

6144:uA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:uATuTAnKGwUAW3ycQqgf

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\55E3DAA8 = "C:\\Users\\Admin\\AppData\\Roaming\\55E3DAA8\\bin.exe"	winver.exe

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

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe
2776	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2776	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 2776	1692	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe	31
PID 1692 wrote to memory of 2776	1692	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe	31
PID 1692 wrote to memory of 2776	1692	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe	31
PID 1692 wrote to memory of 2776	1692	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe	31
PID 1692 wrote to memory of 2776	1692	3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe	31
PID 2776 wrote to memory of 1284	2776	winver.exe	21
PID 2776 wrote to memory of 1116	2776	winver.exe	19
PID 2776 wrote to memory of 1188	2776	winver.exe	20
PID 2776 wrote to memory of 1284	2776	winver.exe	21
PID 2776 wrote to memory of 916	2776	winver.exe	25
PID 2776 wrote to memory of 1692	2776	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1188

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1284
- C:\Users\Admin\AppData\Local\Temp\3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe
  "C:\Users\Admin\AppData\Local\Temp\3cd6b1c26ca51e8b7b54e81710e1b0a8dfafe14e8c1fe00e9498b806db554d5fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1692
- - 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:2776

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:916

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 Information Discovery

1

T1082

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/916-31-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/916-18-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/1116-30-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1116-9-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1188-12-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1188-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1284-15-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1284-1-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1284-3-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1284-6-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1284-29-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1692-21-0x0000000000050000-0x0000000000056000-memory.dmp

Filesize
24KB

Download
memory/1692-27-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2776-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2776-33-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads