tinba | 7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35

Analysis

max time kernel
118s
max time network
115s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 01:05

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General

Target

7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe
Size

110KB
MD5

bf637dc1e133f068f2080e8da37053a0
SHA1

3b25c227622078b5e4e0454d5e82115ddde164f3
SHA256

7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35
SHA512

aa440477e97e914993b796adc320e16fa5f14370193e7c7addf1c6f1f81249ff9d65feae2595e489557e89a708c928e0cd9d9e80343783e092bfe38abedc8b72
SSDEEP

1536:YiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:YiyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\1B8FA81C = "C:\\Users\\Admin\\AppData\\Roaming\\1B8FA81C\\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/2172-0-0x0000000000400000-0x000000000041E000-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	7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2204	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2204	2172	7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe	31
PID 2172 wrote to memory of 2204	2172	7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe	31
PID 2172 wrote to memory of 2204	2172	7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe	31
PID 2172 wrote to memory of 2204	2172	7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe	31
PID 2172 wrote to memory of 2204	2172	7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe	31
PID 2204 wrote to memory of 1200	2204	winver.exe	21
PID 2204 wrote to memory of 1084	2204	winver.exe	18
PID 2204 wrote to memory of 1148	2204	winver.exe	19
PID 2204 wrote to memory of 1200	2204	winver.exe	21
PID 2204 wrote to memory of 1368	2204	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1084

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1148

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe
  "C:\Users\Admin\AppData\Local\Temp\7357b0fca81830b3160c9c278004b54ae7e7f9e44c4481a4d0300213278d8f35N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2172
- - 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:2204

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1368

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/1084-36-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1084-29-0x00000000777A1000-0x00000000777A2000-memory.dmp

Filesize
4KB

Download
memory/1084-28-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1148-20-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1148-27-0x00000000777A1000-0x00000000777A2000-memory.dmp

Filesize
4KB

Download
memory/1148-26-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1200-22-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x00000000777A1000-0x00000000777A2000-memory.dmp

Filesize
4KB

Download
memory/1200-4-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1200-30-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1368-33-0x00000000777A1000-0x00000000777A2000-memory.dmp

Filesize
4KB

Download
memory/1368-32-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

Filesize
24KB

Download
memory/1368-25-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

Filesize
24KB

Download
memory/2172-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2172-13-0x0000000001EC0000-0x00000000028C0000-memory.dmp

Filesize
10.0MB

Download
memory/2172-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2172-5-0x0000000001EC0000-0x00000000028C0000-memory.dmp

Filesize
10.0MB

Download
memory/2172-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2204-11-0x0000000077750000-0x00000000778F9000-memory.dmp

Filesize
1.7MB

Download
memory/2204-9-0x000000007794F000-0x0000000077951000-memory.dmp

Filesize
8KB

Download
memory/2204-8-0x000000007794F000-0x0000000077950000-memory.dmp

Filesize
4KB

Download
memory/2204-7-0x0000000077950000-0x0000000077951000-memory.dmp

Filesize
4KB

Download
memory/2204-31-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2204-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download