tinba | 4e097654bd9af6569bb7c0e5b0097cb6d58432e1fdd10b32b3b018fc63548d2e

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 04:34

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General

Target

4e097654bd9af6569bb7c0e5b0097cb6d58432e1fdd10b32b3b018fc63548d2e.exe
Size

110KB
MD5

30d629312f26531f92383ea47e55c80d
SHA1

ef789469645cdafe0338ecc83283e6e79d5a204d
SHA256

4e097654bd9af6569bb7c0e5b0097cb6d58432e1fdd10b32b3b018fc63548d2e
SHA512

d6c6db044de2ebd8a5cdd44638c6e622f22aade63932ef83a203e2a5a7f55f87285180a6c62742de11646820d90793c88c33ffd44446e72fe1ac511c7327ab20
SSDEEP

1536:JiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:JiyvRmDLs/ZrwWJjAqGcRJ2hg

Score

10^/10

tinba banker discovery persistence trojan upx

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\06E627D7 = "C:\\Users\\Admin\\AppData\\Roaming\\06E627D7\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2736-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

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	4e097654bd9af6569bb7c0e5b0097cb6d58432e1fdd10b32b3b018fc63548d2e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1504	winver.exe
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 1504	2736	4e097654bd9af6569bb7c0e5b0097cb6d58432e1fdd10b32b3b018fc63548d2e.exe	31
PID 2736 wrote to memory of 1504	2736	4e097654bd9af6569bb7c0e5b0097cb6d58432e1fdd10b32b3b018fc63548d2e.exe	31
PID 2736 wrote to memory of 1504	2736	4e097654bd9af6569bb7c0e5b0097cb6d58432e1fdd10b32b3b018fc63548d2e.exe	31
PID 2736 wrote to memory of 1504	2736	4e097654bd9af6569bb7c0e5b0097cb6d58432e1fdd10b32b3b018fc63548d2e.exe	31
PID 2736 wrote to memory of 1504	2736	4e097654bd9af6569bb7c0e5b0097cb6d58432e1fdd10b32b3b018fc63548d2e.exe	31
PID 1504 wrote to memory of 1240	1504	winver.exe	21
PID 1504 wrote to memory of 1104	1504	winver.exe	19
PID 1504 wrote to memory of 1204	1504	winver.exe	20
PID 1504 wrote to memory of 1240	1504	winver.exe	21
PID 1504 wrote to memory of 1364	1504	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1204

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1240
- C:\Users\Admin\AppData\Local\Temp\4e097654bd9af6569bb7c0e5b0097cb6d58432e1fdd10b32b3b018fc63548d2e.exe
  "C:\Users\Admin\AppData\Local\Temp\4e097654bd9af6569bb7c0e5b0097cb6d58432e1fdd10b32b3b018fc63548d2e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - 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:1504

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1364

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/1104-26-0x0000000001C60000-0x0000000001C66000-memory.dmp

Filesize
24KB

Download
memory/1104-27-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1204-37-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1204-20-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1204-29-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1204-28-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1240-3-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1240-10-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1240-2-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1240-22-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/1240-30-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/1240-4-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1364-32-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1364-31-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1364-25-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1504-11-0x00000000775E0000-0x0000000077789000-memory.dmp

Filesize
1.7MB

Download
memory/1504-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/1504-7-0x00000000777E0000-0x00000000777E1000-memory.dmp

Filesize
4KB

Download
memory/1504-8-0x00000000777DF000-0x00000000777E0000-memory.dmp

Filesize
4KB

Download
memory/1504-33-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/1504-9-0x00000000777DF000-0x00000000777E1000-memory.dmp

Filesize
8KB

Download
memory/2736-14-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/2736-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2736-5-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/2736-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2736-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download