tinba | 358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57e

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 21:56

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General

Target

358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe
Size

59KB
MD5

2c43c4ae1e567ea15f1e08b73a1903f0
SHA1

aea8eb4936265f4a44178285f316deb2d7651d33
SHA256

358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57e
SHA512

1346084be4daeb971659487e5bc53b296d2158d49b0c696e2357a03854006635a751ebd52a400f1d74a686e742fcc0a3082b2c11b55bd776006c28188fe37762
SSDEEP

768:M+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9JH:M+mFM2HXKZgiFP7xIksu+XM5O9JH

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\7977401A = "C:\\Users\\Admin\\AppData\\Roaming\\7977401A\\bin.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2396	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2396	2672	358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe	31
PID 2672 wrote to memory of 2396	2672	358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe	31
PID 2672 wrote to memory of 2396	2672	358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe	31
PID 2672 wrote to memory of 2396	2672	358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe	31
PID 2672 wrote to memory of 2396	2672	358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe	31
PID 2396 wrote to memory of 1240	2396	winver.exe	21
PID 2396 wrote to memory of 1120	2396	winver.exe	19
PID 2396 wrote to memory of 1176	2396	winver.exe	20
PID 2396 wrote to memory of 1240	2396	winver.exe	21
PID 2396 wrote to memory of 1352	2396	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1240
- C:\Users\Admin\AppData\Local\Temp\358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe
  "C:\Users\Admin\AppData\Local\Temp\358e58e7e260bc8c3bbe701d92240b81aa846cba37dbf700b571fa0bb5f4c57eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2672
- - 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:2396

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1120-27-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1176-25-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1176-19-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1176-26-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/1240-3-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1240-1-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1240-30-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1240-9-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/1240-21-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1240-2-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1352-24-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1352-29-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/1352-28-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/2396-8-0x0000000077C8F000-0x0000000077C91000-memory.dmp

Filesize
8KB

Download
memory/2396-10-0x0000000077A90000-0x0000000077C39000-memory.dmp

Filesize
1.7MB

Download
memory/2396-5-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2396-6-0x0000000077C90000-0x0000000077C91000-memory.dmp

Filesize
4KB

Download
memory/2396-7-0x0000000077C8F000-0x0000000077C90000-memory.dmp

Filesize
4KB

Download
memory/2396-31-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2396-36-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2672-12-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/2672-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2672-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2672-4-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download