tinba | 1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/01/2025, 21:24

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General

Target

1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe
Size

110KB
MD5

ca1ad4921c36244782141aba4e5a47e0
SHA1

23c49c58ae4c0e5fd38e84d15ce7655ca8bfe352
SHA256

1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78
SHA512

d4fa16013ac9972a652c9f1e856cdc6df645f0d20dc7b9386cb2794c18e028d715ddc612cf29b749257aa2fff2201480ffa85a0a88f6b162da025dc9dd4fcaf5
SSDEEP

1536:FiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:FiyvRmDLs/ZrwWJjAqGcRJ2hw

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\912E97CE = "C:\\Users\\Admin\\AppData\\Roaming\\912E97CE\\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/1620-0-0x0000000000400000-0x000000000041E000-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	1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2580	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2580	1620	1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe	31
PID 1620 wrote to memory of 2580	1620	1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe	31
PID 1620 wrote to memory of 2580	1620	1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe	31
PID 1620 wrote to memory of 2580	1620	1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe	31
PID 1620 wrote to memory of 2580	1620	1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe	31
PID 2580 wrote to memory of 1152	2580	winver.exe	20
PID 2580 wrote to memory of 1064	2580	winver.exe	18
PID 2580 wrote to memory of 1128	2580	winver.exe	19
PID 2580 wrote to memory of 1152	2580	winver.exe	20
PID 2580 wrote to memory of 284	2580	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1064

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1128

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1152
- C:\Users\Admin\AppData\Local\Temp\1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe
  "C:\Users\Admin\AppData\Local\Temp\1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1620
- - 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:2580

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:284

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/284-29-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/284-28-0x0000000077241000-0x0000000077242000-memory.dmp

Filesize
4KB

Download
memory/284-23-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/1064-25-0x0000000077241000-0x0000000077242000-memory.dmp

Filesize
4KB

Download
memory/1064-24-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1128-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1128-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1152-27-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1152-10-0x0000000077241000-0x0000000077242000-memory.dmp

Filesize
4KB

Download
memory/1152-21-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1152-4-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

Filesize
24KB

Download
memory/1152-3-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

Filesize
24KB

Download
memory/1152-2-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

Filesize
24KB

Download
memory/1620-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1620-13-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/1620-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1620-5-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/1620-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2580-11-0x00000000771F0000-0x0000000077399000-memory.dmp

Filesize
1.7MB

Download
memory/2580-7-0x00000000773F0000-0x00000000773F1000-memory.dmp

Filesize
4KB

Download
memory/2580-8-0x00000000773EF000-0x00000000773F0000-memory.dmp

Filesize
4KB

Download
memory/2580-9-0x00000000773EF000-0x00000000773F1000-memory.dmp

Filesize
8KB

Download
memory/2580-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2580-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download