tinba | fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505

Analysis

max time kernel
106s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\987263AE = "C:\\Users\\Admin\\AppData\\Roaming\\987263AE\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2360-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3184	1256	WerFault.exe	84

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 2 IoCs

pid	Process
1256	winver.exe
1256	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1256	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 1256	2360	fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505.exe	84
PID 2360 wrote to memory of 1256	2360	fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505.exe	84
PID 2360 wrote to memory of 1256	2360	fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505.exe	84
PID 2360 wrote to memory of 1256	2360	fd2382b821f764c7ba356092e2b239b1d00f185dc9e22af7df7e7c6741043505.exe	84
PID 1256 wrote to memory of 3520	1256	winver.exe	56
PID 1256 wrote to memory of 2544	1256	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2544

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- 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:2360
- - 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:1256
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 352
      4⤵
      Program crash
      PID:3184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1256 -ip 1256
1⤵
PID:4432

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/1256-5-0x0000000077B12000-0x0000000077B13000-memory.dmp

Filesize
4KB

Download
memory/1256-14-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/1256-11-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/1256-7-0x00007FFE2ED30000-0x00007FFE2EF25000-memory.dmp

Filesize
2.0MB

Download
memory/2360-9-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/2360-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/2360-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2360-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2360-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2544-13-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FFE2EDCD000-0x00007FFE2EDCE000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download