tinba | 37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8ab

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-01-2025 11:18

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General

Target

37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe
Size

52KB
MD5

e7049f64b6a736f76c727b91dd8627c0
SHA1

efd0d6b23365bafad2fa2a1941eca6da3279118b
SHA256

37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8ab
SHA512

e4ef352c88c2649ab35fd651b279fa2e19c7b09f4d2dcd655da6eade2048b9420cee7e1394345a930d7fe074bfaee2f8767f9d164ed19816c5b02d49d601e41d
SSDEEP

768:fvC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jq/:DmZNZUXeQXFhS6sM3prUSGg7O1d9Ja

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\D7DE3E7D = "C:\\Users\\Admin\\AppData\\Roaming\\D7DE3E7D\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe
2524	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2524	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2524	1924	37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe	31
PID 1924 wrote to memory of 2524	1924	37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe	31
PID 1924 wrote to memory of 2524	1924	37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe	31
PID 1924 wrote to memory of 2524	1924	37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe	31
PID 1924 wrote to memory of 2524	1924	37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe	31
PID 2524 wrote to memory of 1200	2524	winver.exe	21
PID 2524 wrote to memory of 1120	2524	winver.exe	19
PID 2524 wrote to memory of 1168	2524	winver.exe	20
PID 2524 wrote to memory of 1200	2524	winver.exe	21
PID 2524 wrote to memory of 1500	2524	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe
  "C:\Users\Admin\AppData\Local\Temp\37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1924
- - 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:2524

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1500

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/1120-24-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1120-25-0x0000000077221000-0x0000000077222000-memory.dmp

Filesize
4KB

Download
memory/1168-32-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-18-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1200-20-0x0000000002CE0000-0x0000000002CE6000-memory.dmp

Filesize
24KB

Download
memory/1200-9-0x0000000077221000-0x0000000077222000-memory.dmp

Filesize
4KB

Download
memory/1200-1-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1200-23-0x0000000002CE0000-0x0000000002CE6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002D30000-0x0000000002D36000-memory.dmp

Filesize
24KB

Download
memory/1500-28-0x0000000077221000-0x0000000077222000-memory.dmp

Filesize
4KB

Download
memory/1500-22-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/1500-29-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/1924-4-0x0000000001BE0000-0x00000000025E0000-memory.dmp

Filesize
10.0MB

Download
memory/1924-12-0x0000000001BE0000-0x00000000025E0000-memory.dmp

Filesize
10.0MB

Download
memory/1924-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1924-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2524-8-0x00000000773CF000-0x00000000773D1000-memory.dmp

Filesize
8KB

Download
memory/2524-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2524-5-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2524-6-0x00000000773D0000-0x00000000773D1000-memory.dmp

Filesize
4KB

Download
memory/2524-10-0x00000000771D0000-0x0000000077379000-memory.dmp

Filesize
1.7MB

Download
memory/2524-7-0x00000000773CF000-0x00000000773D0000-memory.dmp

Filesize
4KB

Download
memory/2524-34-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download