tinba | b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0

Analysis

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

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 09:42

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General

Target

b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe
Size

88KB
MD5

acdf07bf052773161227c24cbd13e8f0
SHA1

3c38c5f4b4ad0b9e590357e968bef34defe3879e
SHA256

b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0
SHA512

db0b75a1877985e7b251308fdb33d9c71723e1696979d0bf9ff4537019ae6212a9d0b4364cd2ad789852f9434cf398a35448a6c9e160fc3cfedd247daeae145c
SSDEEP

1536:9z44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsN:9zvokZR/KM/ysjwqWsN

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\4753E181 = "C:\\Users\\Admin\\AppData\\Roaming\\4753E181\\bin.exe"	winver.exe

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	b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe
672	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
672	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 672	1756	b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe	30
PID 1756 wrote to memory of 672	1756	b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe	30
PID 1756 wrote to memory of 672	1756	b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe	30
PID 1756 wrote to memory of 672	1756	b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe	30
PID 1756 wrote to memory of 672	1756	b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe	30
PID 672 wrote to memory of 1236	672	winver.exe	20
PID 672 wrote to memory of 1120	672	winver.exe	18
PID 672 wrote to memory of 1180	672	winver.exe	19
PID 672 wrote to memory of 1236	672	winver.exe	20
PID 672 wrote to memory of 828	672	winver.exe	24

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe
  "C:\Users\Admin\AppData\Local\Temp\b9295f41ab00fd6467658d0b7e1e4813df06bcb4d0ad66711077a6cf75c78ce0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1756
- - 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:672

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:828

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/672-10-0x0000000077A90000-0x0000000077C39000-memory.dmp

Filesize
1.7MB

Download
memory/672-29-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/672-8-0x0000000077C8F000-0x0000000077C91000-memory.dmp

Filesize
8KB

Download
memory/672-7-0x0000000077C8F000-0x0000000077C90000-memory.dmp

Filesize
4KB

Download
memory/672-6-0x0000000077C90000-0x0000000077C91000-memory.dmp

Filesize
4KB

Download
memory/672-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/828-22-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/828-28-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/828-27-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/1120-24-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/1120-23-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/1180-18-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1180-25-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1236-1-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/1236-3-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/1236-9-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/1236-2-0x0000000002EF0000-0x0000000002EF6000-memory.dmp

Filesize
24KB

Download
memory/1236-26-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1236-20-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1756-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1756-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1756-4-0x0000000001E50000-0x0000000002850000-memory.dmp

Filesize
10.0MB

Download
memory/1756-12-0x0000000001E50000-0x0000000002850000-memory.dmp

Filesize
10.0MB

Download