tinba | 2785cbfa62d74aa9f5dc09fc82eb04e117015705df91432a0bd22e433b20ee13

Analysis

max time kernel
120s
max time network
129s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08-02-2025 00:33

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General

Target

2785cbfa62d74aa9f5dc09fc82eb04e117015705df91432a0bd22e433b20ee13N.exe
Size

69KB
MD5

ed29dddb45943dba0a11368b2031d9b0
SHA1

642037477e5b8f6f6b0285326b9fa94578d868b8
SHA256

2785cbfa62d74aa9f5dc09fc82eb04e117015705df91432a0bd22e433b20ee13
SHA512

77ed84572a5c0dbeb58686e6a313e430bbae4a0b4bcce02a175ff6ed9c03d59a2b6c573cd4a3797302732160743de9693d5947992bd80c5c0a585700477de519
SSDEEP

1536:/scjyeFQGssuwDwIAqhc/MIDM7ag9JDtR:/scOeF0fwcIfyMyg9J3

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\41105413 = "C:\\Users\\Admin\\AppData\\Roaming\\41105413\\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	2785cbfa62d74aa9f5dc09fc82eb04e117015705df91432a0bd22e433b20ee13N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe
2244	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2244	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2244	2600	2785cbfa62d74aa9f5dc09fc82eb04e117015705df91432a0bd22e433b20ee13N.exe	30
PID 2600 wrote to memory of 2244	2600	2785cbfa62d74aa9f5dc09fc82eb04e117015705df91432a0bd22e433b20ee13N.exe	30
PID 2600 wrote to memory of 2244	2600	2785cbfa62d74aa9f5dc09fc82eb04e117015705df91432a0bd22e433b20ee13N.exe	30
PID 2600 wrote to memory of 2244	2600	2785cbfa62d74aa9f5dc09fc82eb04e117015705df91432a0bd22e433b20ee13N.exe	30
PID 2600 wrote to memory of 2244	2600	2785cbfa62d74aa9f5dc09fc82eb04e117015705df91432a0bd22e433b20ee13N.exe	30
PID 2244 wrote to memory of 1264	2244	winver.exe	20
PID 2244 wrote to memory of 1124	2244	winver.exe	18
PID 2244 wrote to memory of 1212	2244	winver.exe	19
PID 2244 wrote to memory of 1264	2244	winver.exe	20
PID 2244 wrote to memory of 1552	2244	winver.exe	24

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1212

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1264
- C:\Users\Admin\AppData\Local\Temp\2785cbfa62d74aa9f5dc09fc82eb04e117015705df91432a0bd22e433b20ee13N.exe
  "C:\Users\Admin\AppData\Local\Temp\2785cbfa62d74aa9f5dc09fc82eb04e117015705df91432a0bd22e433b20ee13N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2600
- - 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:2244

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1552

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/1124-29-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1212-20-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1212-25-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1212-26-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/1264-10-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/1264-4-0x0000000002B10000-0x0000000002B16000-memory.dmp

Filesize
24KB

Download
memory/1264-30-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1264-22-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1264-2-0x0000000002B10000-0x0000000002B16000-memory.dmp

Filesize
24KB

Download
memory/1264-3-0x0000000002B10000-0x0000000002B16000-memory.dmp

Filesize
24KB

Download
memory/1552-28-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/1552-27-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1552-24-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2244-7-0x0000000077970000-0x0000000077971000-memory.dmp

Filesize
4KB

Download
memory/2244-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2244-11-0x0000000077770000-0x0000000077919000-memory.dmp

Filesize
1.7MB

Download
memory/2244-8-0x000000007796F000-0x0000000077970000-memory.dmp

Filesize
4KB

Download
memory/2244-9-0x000000007796F000-0x0000000077971000-memory.dmp

Filesize
8KB

Download
memory/2244-31-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2244-36-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2600-13-0x0000000001F80000-0x0000000002980000-memory.dmp

Filesize
10.0MB

Download
memory/2600-5-0x0000000001F80000-0x0000000002980000-memory.dmp

Filesize
10.0MB

Download
memory/2600-12-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2600-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2600-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download