tinba | 7e562a5c204b245315cba0993fdcd2ef24aa6f164d21581e575b745605341f34

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 17:04

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General

Target

ef2dbceeefe2c39e10e605aeb3b19620N.exe
Size

106KB
MD5

ef2dbceeefe2c39e10e605aeb3b19620
SHA1

abbe0c0a5a3064e94479880d0ffdb946efb9bc73
SHA256

7e562a5c204b245315cba0993fdcd2ef24aa6f164d21581e575b745605341f34
SHA512

d1f2951455faee5cf701215bd5f062fc6484b264e60892eaf2687e2c84a16ba12b9a73ba9e3e8901ce5df194b41aed7e974a8feebf38e5a8d568c06e298a0fc6
SSDEEP

768:U+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:U+mFM2QXtZgi9Iksu+XM57ipeq9JA

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

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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\121247B1 = "C:\\Users\\Admin\\AppData\\Roaming\\121247B1\\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	ef2dbceeefe2c39e10e605aeb3b19620N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe
532	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
532	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 532	2484	ef2dbceeefe2c39e10e605aeb3b19620N.exe	31
PID 2484 wrote to memory of 532	2484	ef2dbceeefe2c39e10e605aeb3b19620N.exe	31
PID 2484 wrote to memory of 532	2484	ef2dbceeefe2c39e10e605aeb3b19620N.exe	31
PID 2484 wrote to memory of 532	2484	ef2dbceeefe2c39e10e605aeb3b19620N.exe	31
PID 2484 wrote to memory of 532	2484	ef2dbceeefe2c39e10e605aeb3b19620N.exe	31
PID 532 wrote to memory of 1220	532	winver.exe	21
PID 532 wrote to memory of 1108	532	winver.exe	19
PID 532 wrote to memory of 1168	532	winver.exe	20
PID 532 wrote to memory of 1220	532	winver.exe	21
PID 532 wrote to memory of 1608	532	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220
- C:\Users\Admin\AppData\Local\Temp\ef2dbceeefe2c39e10e605aeb3b19620N.exe
  "C:\Users\Admin\AppData\Local\Temp\ef2dbceeefe2c39e10e605aeb3b19620N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2484
- - 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:532

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1608

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/532-9-0x0000000077BEF000-0x0000000077BF1000-memory.dmp

Filesize
8KB

Download
memory/532-30-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/532-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/532-7-0x0000000077BF0000-0x0000000077BF1000-memory.dmp

Filesize
4KB

Download
memory/532-8-0x0000000077BEF000-0x0000000077BF0000-memory.dmp

Filesize
4KB

Download
memory/532-11-0x00000000779F0000-0x0000000077B99000-memory.dmp

Filesize
1.7MB

Download
memory/1108-27-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1108-26-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1168-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1220-4-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1220-10-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1220-34-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1220-29-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1220-2-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1220-3-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1220-22-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1608-25-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1608-32-0x0000000077A41000-0x0000000077A42000-memory.dmp

Filesize
4KB

Download
memory/1608-31-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/2484-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2484-13-0x0000000001EB0000-0x00000000028B0000-memory.dmp

Filesize
10.0MB

Download
memory/2484-5-0x0000000001EB0000-0x00000000028B0000-memory.dmp

Filesize
10.0MB

Download
memory/2484-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2484-12-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download