tinba | 293e221185cd294c9d416ca4153c58053c3e829c9e65422dde7305ad8013a0c3

Analysis

max time kernel
105s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2024 16:31

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General

Target

293e221185cd294c9d416ca4153c58053c3e829c9e65422dde7305ad8013a0c3N.exe
Size

89KB
MD5

d375561ffa3f3a897267b9a143cd0c30
SHA1

92050749f5f8dff408e898977a9b6e384791221a
SHA256

293e221185cd294c9d416ca4153c58053c3e829c9e65422dde7305ad8013a0c3
SHA512

14e5f7e0e0a322e4dd14692c74ccde02c52a56823768d89cf2a96edad55cf2d03b54b5384e2ec5b4716369c3ea0ca139a273f96168e717c48fbb1039c11d10f6
SSDEEP

1536:21+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:G+4MJIkLZJNAQ9Jo9e

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B429831F = "C:\\Users\\Admin\\AppData\\Roaming\\B429831F\\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/2492-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1272	4692	WerFault.exe	83

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	293e221185cd294c9d416ca4153c58053c3e829c9e65422dde7305ad8013a0c3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4692	winver.exe
4692	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4692	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 4692	2492	293e221185cd294c9d416ca4153c58053c3e829c9e65422dde7305ad8013a0c3N.exe	83
PID 2492 wrote to memory of 4692	2492	293e221185cd294c9d416ca4153c58053c3e829c9e65422dde7305ad8013a0c3N.exe	83
PID 2492 wrote to memory of 4692	2492	293e221185cd294c9d416ca4153c58053c3e829c9e65422dde7305ad8013a0c3N.exe	83
PID 2492 wrote to memory of 4692	2492	293e221185cd294c9d416ca4153c58053c3e829c9e65422dde7305ad8013a0c3N.exe	83
PID 4692 wrote to memory of 3352	4692	winver.exe	55
PID 4692 wrote to memory of 2572	4692	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2572

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3352
- C:\Users\Admin\AppData\Local\Temp\293e221185cd294c9d416ca4153c58053c3e829c9e65422dde7305ad8013a0c3N.exe
  "C:\Users\Admin\AppData\Local\Temp\293e221185cd294c9d416ca4153c58053c3e829c9e65422dde7305ad8013a0c3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2492
- - 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:4692
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 352
      4⤵
      Program crash
      PID:1272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4692 -ip 4692
1⤵
PID:944

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/2492-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2492-1-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/2492-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2492-4-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/2492-9-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/2572-13-0x00000000009F0000-0x00000000009F6000-memory.dmp

Filesize
24KB

Download
memory/3352-3-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/3352-6-0x00007FFF360AD000-0x00007FFF360AE000-memory.dmp

Filesize
4KB

Download
memory/3352-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/4692-7-0x00007FFF36010000-0x00007FFF36205000-memory.dmp

Filesize
2.0MB

Download
memory/4692-5-0x0000000077EB2000-0x0000000077EB3000-memory.dmp

Filesize
4KB

Download
memory/4692-11-0x0000000001010000-0x0000000001016000-memory.dmp

Filesize
24KB

Download
memory/4692-14-0x0000000001010000-0x0000000001016000-memory.dmp

Filesize
24KB

Download