tinba | bbea89b3d29df2651ae932453ff56683b861d90931e5057340956ec405084306

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 22:56

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General

Target

bbea89b3d29df2651ae932453ff56683b861d90931e5057340956ec405084306N.exe
Size

110KB
MD5

7ce34738ffa331d847fc8cd18d720bc0
SHA1

4a885fc04848e8694757140b27120320f4bc66cc
SHA256

bbea89b3d29df2651ae932453ff56683b861d90931e5057340956ec405084306
SHA512

214b8c5b638657153375dd16870332449b24afa4b487b2bc31571577702e3e387aa2b69ab665f80e620bdc6c59f62d7f2672c77339c18fb16b69240ebb383808
SSDEEP

1536:liLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:liyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\8B516712 = "C:\\Users\\Admin\\AppData\\Roaming\\8B516712\\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/1116-0-0x0000000000400000-0x000000000041E000-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	bbea89b3d29df2651ae932453ff56683b861d90931e5057340956ec405084306N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe
2000	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2000	winver.exe
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 2000	1116	bbea89b3d29df2651ae932453ff56683b861d90931e5057340956ec405084306N.exe	32
PID 1116 wrote to memory of 2000	1116	bbea89b3d29df2651ae932453ff56683b861d90931e5057340956ec405084306N.exe	32
PID 1116 wrote to memory of 2000	1116	bbea89b3d29df2651ae932453ff56683b861d90931e5057340956ec405084306N.exe	32
PID 1116 wrote to memory of 2000	1116	bbea89b3d29df2651ae932453ff56683b861d90931e5057340956ec405084306N.exe	32
PID 1116 wrote to memory of 2000	1116	bbea89b3d29df2651ae932453ff56683b861d90931e5057340956ec405084306N.exe	32
PID 2000 wrote to memory of 1388	2000	winver.exe	21
PID 2000 wrote to memory of 1240	2000	winver.exe	19
PID 2000 wrote to memory of 1324	2000	winver.exe	20
PID 2000 wrote to memory of 1388	2000	winver.exe	21
PID 2000 wrote to memory of 1676	2000	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1240

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1324

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1388
- C:\Users\Admin\AppData\Local\Temp\bbea89b3d29df2651ae932453ff56683b861d90931e5057340956ec405084306N.exe
  "C:\Users\Admin\AppData\Local\Temp\bbea89b3d29df2651ae932453ff56683b861d90931e5057340956ec405084306N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1116
- - 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:2000

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1676

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/1116-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1116-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1116-5-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/1116-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1116-13-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/1240-25-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1240-26-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1324-27-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1324-19-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1388-10-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1388-28-0x0000000002B40000-0x0000000002B46000-memory.dmp

Filesize
24KB

Download
memory/1388-4-0x0000000002B90000-0x0000000002B96000-memory.dmp

Filesize
24KB

Download
memory/1388-3-0x0000000002B90000-0x0000000002B96000-memory.dmp

Filesize
24KB

Download
memory/1388-2-0x0000000002B90000-0x0000000002B96000-memory.dmp

Filesize
24KB

Download
memory/1388-21-0x0000000002B40000-0x0000000002B46000-memory.dmp

Filesize
24KB

Download
memory/1676-30-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1676-29-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1676-24-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download
memory/1676-31-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download
memory/2000-9-0x000000007746F000-0x0000000077471000-memory.dmp

Filesize
8KB

Download
memory/2000-8-0x000000007746F000-0x0000000077470000-memory.dmp

Filesize
4KB

Download
memory/2000-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2000-7-0x0000000077470000-0x0000000077471000-memory.dmp

Filesize
4KB

Download
memory/2000-11-0x0000000077270000-0x0000000077419000-memory.dmp

Filesize
1.7MB

Download
memory/2000-32-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download