tinba | b9980476a6c1f64404009260f473214f87f7c2eb72293e22defa5f56f253f5f3

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 06:18

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General

Target

b9980476a6c1f64404009260f473214f87f7c2eb72293e22defa5f56f253f5f3.exe
Size

45KB
MD5

a7347ab7a7cc01e1e8c14488f766ebc0
SHA1

f9a4b95cd30908ad5150727c9af8e8d4847113d2
SHA256

b9980476a6c1f64404009260f473214f87f7c2eb72293e22defa5f56f253f5f3
SHA512

cf2f2d901479a91a6b891c3fde88e856ecd4530183f15de7a69f4fd17d25c5a1a87d03a1a8c2b347585c4c5b79160c4d898acdd32a856817c0be86e1ec7f9918
SSDEEP

768:ehP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2F:ysWE9N5dFu53dsniQaB/xZ14n7zIF+qJ

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\08F80D30 = "C:\\Users\\Admin\\AppData\\Roaming\\08F80D30\\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/2892-0-0x0000000000400000-0x000000000041D000-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	b9980476a6c1f64404009260f473214f87f7c2eb72293e22defa5f56f253f5f3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2792	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2792	2892	b9980476a6c1f64404009260f473214f87f7c2eb72293e22defa5f56f253f5f3.exe	31
PID 2892 wrote to memory of 2792	2892	b9980476a6c1f64404009260f473214f87f7c2eb72293e22defa5f56f253f5f3.exe	31
PID 2892 wrote to memory of 2792	2892	b9980476a6c1f64404009260f473214f87f7c2eb72293e22defa5f56f253f5f3.exe	31
PID 2892 wrote to memory of 2792	2892	b9980476a6c1f64404009260f473214f87f7c2eb72293e22defa5f56f253f5f3.exe	31
PID 2892 wrote to memory of 2792	2892	b9980476a6c1f64404009260f473214f87f7c2eb72293e22defa5f56f253f5f3.exe	31
PID 2792 wrote to memory of 1188	2792	winver.exe	21
PID 2792 wrote to memory of 1108	2792	winver.exe	19
PID 2792 wrote to memory of 1160	2792	winver.exe	20
PID 2792 wrote to memory of 1188	2792	winver.exe	21
PID 2792 wrote to memory of 1580	2792	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\b9980476a6c1f64404009260f473214f87f7c2eb72293e22defa5f56f253f5f3.exe
  "C:\Users\Admin\AppData\Local\Temp\b9980476a6c1f64404009260f473214f87f7c2eb72293e22defa5f56f253f5f3.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2892
- - 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:2792

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1580

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/1108-26-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1108-27-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/1160-36-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1160-21-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1160-33-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/1160-32-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1188-23-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1188-10-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/1188-28-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1188-4-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1580-29-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1580-30-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/1580-25-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/2792-11-0x0000000076E40000-0x0000000076FE9000-memory.dmp

Filesize
1.7MB

Download
memory/2792-6-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2792-31-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2792-7-0x0000000077040000-0x0000000077041000-memory.dmp

Filesize
4KB

Download
memory/2792-8-0x000000007703F000-0x0000000077040000-memory.dmp

Filesize
4KB

Download
memory/2792-9-0x000000007703F000-0x0000000077041000-memory.dmp

Filesize
8KB

Download
memory/2892-13-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/2892-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2892-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2892-5-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/2892-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download