tinba | b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbd

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
05-12-2024 15:12

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General

Target

b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe
Size

89KB
MD5

f1c14428fead26e9567af94f3a3a74b0
SHA1

c9ae36f27d57dec3951623d8c96cf3768410a4d7
SHA256

b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbd
SHA512

827740e64b01e5cb98f228efbade87047d0efc5252099e423f9425bb19490b78d1db1f23bdf5a2d494035fa9b1e3bdaf7f4d401c662426abf7db7d614d87ea29
SSDEEP

1536:s1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7O:Y+4MJIkLZJNAQ9Jo9O

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\30677491 = "C:\\Users\\Admin\\AppData\\Roaming\\30677491\\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/1064-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2740	1164	WerFault.exe	86

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	b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1164	winver.exe
1164	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1164	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 1164	1064	b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe	86
PID 1064 wrote to memory of 1164	1064	b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe	86
PID 1064 wrote to memory of 1164	1064	b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe	86
PID 1064 wrote to memory of 1164	1064	b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe	86
PID 1164 wrote to memory of 3444	1164	winver.exe	56
PID 1164 wrote to memory of 2608	1164	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2608

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe
  "C:\Users\Admin\AppData\Local\Temp\b202ff8200c54be7f8a1397ac0a69dcf392fd24b2bb3acef40eedb2af559bcbdN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1064
- - 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:1164
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1164 -s 352
      4⤵
      Program crash
      PID:2740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1164 -ip 1164
1⤵
PID:5108

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/1064-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1064-1-0x0000000000B50000-0x0000000000B51000-memory.dmp

Filesize
4KB

Download
memory/1064-10-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/1064-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1064-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/1164-5-0x00000000777C2000-0x00000000777C3000-memory.dmp

Filesize
4KB

Download
memory/1164-7-0x00007FFF7F370000-0x00007FFF7F565000-memory.dmp

Filesize
2.0MB

Download
memory/1164-12-0x0000000002770000-0x0000000002776000-memory.dmp

Filesize
24KB

Download
memory/1164-15-0x0000000002770000-0x0000000002776000-memory.dmp

Filesize
24KB

Download
memory/2608-14-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3444-6-0x00007FFF7F40D000-0x00007FFF7F40E000-memory.dmp

Filesize
4KB

Download
memory/3444-8-0x00007FFF7F40C000-0x00007FFF7F40D000-memory.dmp

Filesize
4KB

Download
memory/3444-2-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/3444-3-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download