tinba | 7d131d8a9f19d2834bf3c967e77faaef841ff999c7d26d34f91103fb0aa14989

Analysis

max time kernel
107s
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
20-01-2025 06:03

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General

Target

7d131d8a9f19d2834bf3c967e77faaef841ff999c7d26d34f91103fb0aa14989N.exe
Size

110KB
MD5

0f5c43f4303757884bf2b828f82f1250
SHA1

41ecd616f35eee5f55d832c2bff329d692e91996
SHA256

7d131d8a9f19d2834bf3c967e77faaef841ff999c7d26d34f91103fb0aa14989
SHA512

7958ffe370301bad59cc756614f7d5284bfa13f8b6e93b26944777a99f9696ed59b4e6778de6b72022071d9efc83c1582165a7899d65c39c52bdc0aaceb6aad8
SSDEEP

1536:XiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:XiyvRmDLs/ZrwWJjAqGcRJ2hw

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A3843CAC = "C:\\Users\\Admin\\AppData\\Roaming\\A3843CAC\\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/2396-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
468	1572	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	7d131d8a9f19d2834bf3c967e77faaef841ff999c7d26d34f91103fb0aa14989N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1572	winver.exe
1572	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1572	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 1572	2396	7d131d8a9f19d2834bf3c967e77faaef841ff999c7d26d34f91103fb0aa14989N.exe	83
PID 2396 wrote to memory of 1572	2396	7d131d8a9f19d2834bf3c967e77faaef841ff999c7d26d34f91103fb0aa14989N.exe	83
PID 2396 wrote to memory of 1572	2396	7d131d8a9f19d2834bf3c967e77faaef841ff999c7d26d34f91103fb0aa14989N.exe	83
PID 2396 wrote to memory of 1572	2396	7d131d8a9f19d2834bf3c967e77faaef841ff999c7d26d34f91103fb0aa14989N.exe	83
PID 1572 wrote to memory of 3432	1572	winver.exe	56
PID 1572 wrote to memory of 2644	1572	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2644

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\7d131d8a9f19d2834bf3c967e77faaef841ff999c7d26d34f91103fb0aa14989N.exe
  "C:\Users\Admin\AppData\Local\Temp\7d131d8a9f19d2834bf3c967e77faaef841ff999c7d26d34f91103fb0aa14989N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2396
- - 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:1572
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1572 -s 352
      4⤵
      Program crash
      PID:468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1572 -ip 1572
1⤵
PID:4580

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/1572-5-0x0000000077E72000-0x0000000077E73000-memory.dmp

Filesize
4KB

Download
memory/1572-14-0x0000000001280000-0x0000000001286000-memory.dmp

Filesize
24KB

Download
memory/1572-11-0x0000000001280000-0x0000000001286000-memory.dmp

Filesize
24KB

Download
memory/1572-7-0x00007FFE0FC50000-0x00007FFE0FE45000-memory.dmp

Filesize
2.0MB

Download
memory/2396-9-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/2396-4-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/2396-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2396-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2396-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/2644-13-0x0000000000B60000-0x0000000000B66000-memory.dmp

Filesize
24KB

Download
memory/3432-6-0x00007FFE0FCED000-0x00007FFE0FCEE000-memory.dmp

Filesize
4KB

Download
memory/3432-2-0x0000000000D40000-0x0000000000D46000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x0000000000D40000-0x0000000000D46000-memory.dmp

Filesize
24KB

Download