tinba | fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505

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
27-01-2025 08:17

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General

Target

fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505.exe
Size

45KB
MD5

e29ee0636b65a6df5a2369fcb0844c8d
SHA1

1822b5866ba8c411d5f51e548cd30ff5f0664a30
SHA256

fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505
SHA512

a78ada31c59a3d5b8941e2fcfd84b0823a2d02a56d8e8b4ecc8ab6efbbd0c86ad620ebafb12437f74f3ef73b79d6b2762200147e313ec583d3adabfd8bcecd5d
SSDEEP

768:9hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2N:/sWE9N5dFu53dsniQaB/xZ14n7zIF+qx

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\9C6868F4 = "C:\\Users\\Admin\\AppData\\Roaming\\9C6868F4\\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/2816-0-0x0000000000400000-0x000000000041D000-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	fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe
2924	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2924	winver.exe
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2924	2816	fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505.exe	31
PID 2816 wrote to memory of 2924	2816	fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505.exe	31
PID 2816 wrote to memory of 2924	2816	fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505.exe	31
PID 2816 wrote to memory of 2924	2816	fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505.exe	31
PID 2816 wrote to memory of 2924	2816	fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505.exe	31
PID 2924 wrote to memory of 1212	2924	winver.exe	21
PID 2924 wrote to memory of 1096	2924	winver.exe	19
PID 2924 wrote to memory of 1164	2924	winver.exe	20
PID 2924 wrote to memory of 1212	2924	winver.exe	21
PID 2924 wrote to memory of 1632	2924	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1212
- C:\Users\Admin\AppData\Local\Temp\fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505.exe
  "C:\Users\Admin\AppData\Local\Temp\fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2816
- - 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:2924

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1632

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/1096-25-0x0000000077B91000-0x0000000077B92000-memory.dmp

Filesize
4KB

Download
memory/1096-27-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1096-26-0x0000000077B91000-0x0000000077B92000-memory.dmp

Filesize
4KB

Download
memory/1164-28-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1164-21-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x0000000002AA0000-0x0000000002AA6000-memory.dmp

Filesize
24KB

Download
memory/1212-24-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002AA0000-0x0000000002AA6000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077B91000-0x0000000077B92000-memory.dmp

Filesize
4KB

Download
memory/1212-3-0x0000000002AA0000-0x0000000002AA6000-memory.dmp

Filesize
24KB

Download
memory/1212-23-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/1632-33-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1632-34-0x0000000077B91000-0x0000000077B92000-memory.dmp

Filesize
4KB

Download
memory/2816-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2816-13-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/2816-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2816-5-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/2816-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2924-29-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2924-7-0x0000000077D40000-0x0000000077D41000-memory.dmp

Filesize
4KB

Download
memory/2924-8-0x0000000077D3F000-0x0000000077D40000-memory.dmp

Filesize
4KB

Download
memory/2924-9-0x0000000077D3F000-0x0000000077D41000-memory.dmp

Filesize
8KB

Download
memory/2924-11-0x0000000077B40000-0x0000000077CE9000-memory.dmp

Filesize
1.7MB

Download
memory/2924-6-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download