tinba | 04db571bb759920bfc5e43b754a549927c43eb5aca75cc38566dfdd95916de86

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
17-01-2025 00:07

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General

Target

04db571bb759920bfc5e43b754a549927c43eb5aca75cc38566dfdd95916de86N.exe
Size

110KB
MD5

e00e9a405968800c1b69b935f78af680
SHA1

5faeee6c59223777732ef04c22c6894cbd1255c0
SHA256

04db571bb759920bfc5e43b754a549927c43eb5aca75cc38566dfdd95916de86
SHA512

54499499ce7d7d47f74bb7fbdf4b8e545be59d7f1cd4d32dc718f1d39e16fd9a177f6e14575a0373ac9b1d14a24421fba7bd415a1c1b2c6f0decd75d90c0b341
SSDEEP

1536:HiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:HiyvRmDLs/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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\B479E402 = "C:\\Users\\Admin\\AppData\\Roaming\\B479E402\\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/1384-0-0x0000000000400000-0x000000000041E000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	04db571bb759920bfc5e43b754a549927c43eb5aca75cc38566dfdd95916de86N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe
1488	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1488	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 1488	1384	04db571bb759920bfc5e43b754a549927c43eb5aca75cc38566dfdd95916de86N.exe	32
PID 1384 wrote to memory of 1488	1384	04db571bb759920bfc5e43b754a549927c43eb5aca75cc38566dfdd95916de86N.exe	32
PID 1384 wrote to memory of 1488	1384	04db571bb759920bfc5e43b754a549927c43eb5aca75cc38566dfdd95916de86N.exe	32
PID 1384 wrote to memory of 1488	1384	04db571bb759920bfc5e43b754a549927c43eb5aca75cc38566dfdd95916de86N.exe	32
PID 1384 wrote to memory of 1488	1384	04db571bb759920bfc5e43b754a549927c43eb5aca75cc38566dfdd95916de86N.exe	32
PID 1488 wrote to memory of 1200	1488	winver.exe	21
PID 1488 wrote to memory of 1116	1488	winver.exe	19
PID 1488 wrote to memory of 1160	1488	winver.exe	20
PID 1488 wrote to memory of 1200	1488	winver.exe	21
PID 1488 wrote to memory of 1432	1488	winver.exe	23

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\04db571bb759920bfc5e43b754a549927c43eb5aca75cc38566dfdd95916de86N.exe
  "C:\Users\Admin\AppData\Local\Temp\04db571bb759920bfc5e43b754a549927c43eb5aca75cc38566dfdd95916de86N.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:1488

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1116-26-0x0000000077C91000-0x0000000077C92000-memory.dmp

Filesize
4KB

Download
memory/1116-25-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1160-20-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1200-22-0x0000000003F80000-0x0000000003F86000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077C91000-0x0000000077C92000-memory.dmp

Filesize
4KB

Download
memory/1200-2-0x0000000003FA0000-0x0000000003FA6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000003FA0000-0x0000000003FA6000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000003FA0000-0x0000000003FA6000-memory.dmp

Filesize
24KB

Download
memory/1200-31-0x0000000003F80000-0x0000000003F86000-memory.dmp

Filesize
24KB

Download
memory/1384-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1384-5-0x0000000001DE0000-0x00000000027E0000-memory.dmp

Filesize
10.0MB

Download
memory/1384-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1384-13-0x0000000001DE0000-0x00000000027E0000-memory.dmp

Filesize
10.0MB

Download
memory/1384-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1432-30-0x0000000077C91000-0x0000000077C92000-memory.dmp

Filesize
4KB

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

Filesize
24KB

Download
memory/1432-24-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/1488-27-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1488-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1488-7-0x0000000077E40000-0x0000000077E41000-memory.dmp

Filesize
4KB

Download
memory/1488-8-0x0000000077E3F000-0x0000000077E40000-memory.dmp

Filesize
4KB

Download
memory/1488-11-0x0000000077C40000-0x0000000077DE9000-memory.dmp

Filesize
1.7MB

Download
memory/1488-9-0x0000000077E3F000-0x0000000077E41000-memory.dmp

Filesize
8KB

Download
memory/1488-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download