tinba | 3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25/01/2025, 22:46

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General

Target

3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe
Size

225KB
MD5

85b1e4826981d4085532ed1f2579d2c0
SHA1

46d3e3969cf866a7a338a698143d2c4db0626f07
SHA256

3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1b
SHA512

ecdd397fc3fb3edb0eb6af0424b610acfca525ef45027a27fd88a63ec433d6f21585b1fa9af4a9a30db95c0e953f65e9f49b85761e9e78708b37e399a93ea88d
SSDEEP

6144:wA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:wATuTAnKGwUAW3ycQqgf

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\3CD275F6 = "C:\\Users\\Admin\\AppData\\Roaming\\3CD275F6\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe
2632	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2632	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 2632	1384	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe	31
PID 1384 wrote to memory of 2632	1384	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe	31
PID 1384 wrote to memory of 2632	1384	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe	31
PID 1384 wrote to memory of 2632	1384	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe	31
PID 1384 wrote to memory of 2632	1384	3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe	31
PID 2632 wrote to memory of 1200	2632	winver.exe	21
PID 2632 wrote to memory of 1116	2632	winver.exe	19
PID 2632 wrote to memory of 1160	2632	winver.exe	20
PID 2632 wrote to memory of 1200	2632	winver.exe	21
PID 2632 wrote to memory of 1432	2632	winver.exe	23
PID 2632 wrote to memory of 1384	2632	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe
  "C:\Users\Admin\AppData\Local\Temp\3812c78639561f390c5830a0c3626d17456969e1a2998bdd4931617ca566aa1bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1384
- - 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:2632

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1432

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 Information Discovery

T1082

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/1116-26-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1116-9-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1160-28-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1160-12-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1200-6-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1200-27-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1200-15-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1384-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1432-18-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/1432-29-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/2632-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2632-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2632-31-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download