tinba | 2b96de2fd76b6363227c5c879be99454f821f1e5a57d017085ff812d99bae578

Analysis

max time kernel
119s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 11:07

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General

Target

2b96de2fd76b6363227c5c879be99454f821f1e5a57d017085ff812d99bae578N.exe
Size

34KB
MD5

d7af72d812fda2c92f31cd08d10a30b0
SHA1

ece082e5df53872b762da58698e45cca9dfd0543
SHA256

2b96de2fd76b6363227c5c879be99454f821f1e5a57d017085ff812d99bae578
SHA512

bfdf11fc1f4b065ff3dc87db0423711327bf594bf7b42b008f07b1f09015f78732a7df7700999494a74bd13df04187099e3027105f2ec4850dd47899f8a67ee1
SSDEEP

768:qp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Ji:qpYoX58z1uirL98xMWnT0OQ9Ji

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\FB6B2632 = "C:\\Users\\Admin\\AppData\\Roaming\\FB6B2632\\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/796-0-0x0000000000400000-0x0000000000417000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2b96de2fd76b6363227c5c879be99454f821f1e5a57d017085ff812d99bae578N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2256	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 796 wrote to memory of 2256	796	2b96de2fd76b6363227c5c879be99454f821f1e5a57d017085ff812d99bae578N.exe	30
PID 796 wrote to memory of 2256	796	2b96de2fd76b6363227c5c879be99454f821f1e5a57d017085ff812d99bae578N.exe	30
PID 796 wrote to memory of 2256	796	2b96de2fd76b6363227c5c879be99454f821f1e5a57d017085ff812d99bae578N.exe	30
PID 796 wrote to memory of 2256	796	2b96de2fd76b6363227c5c879be99454f821f1e5a57d017085ff812d99bae578N.exe	30
PID 796 wrote to memory of 2256	796	2b96de2fd76b6363227c5c879be99454f821f1e5a57d017085ff812d99bae578N.exe	30
PID 2256 wrote to memory of 1244	2256	winver.exe	20
PID 2256 wrote to memory of 1128	2256	winver.exe	18
PID 2256 wrote to memory of 1180	2256	winver.exe	19
PID 2256 wrote to memory of 1244	2256	winver.exe	20
PID 2256 wrote to memory of 1556	2256	winver.exe	22

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1244
- C:\Users\Admin\AppData\Local\Temp\2b96de2fd76b6363227c5c879be99454f821f1e5a57d017085ff812d99bae578N.exe
  "C:\Users\Admin\AppData\Local\Temp\2b96de2fd76b6363227c5c879be99454f821f1e5a57d017085ff812d99bae578N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:796
- - 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:2256

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1556

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/796-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/796-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/796-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/796-5-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/796-13-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/1128-21-0x0000000001D20000-0x0000000001D26000-memory.dmp

Filesize
24KB

Download
memory/1128-22-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1180-20-0x0000000001AD0000-0x0000000001AD6000-memory.dmp

Filesize
24KB

Download
memory/1180-27-0x0000000001AD0000-0x0000000001AD6000-memory.dmp

Filesize
24KB

Download
memory/1180-23-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1244-26-0x0000000001D80000-0x0000000001D86000-memory.dmp

Filesize
24KB

Download
memory/1244-2-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1244-32-0x0000000001D80000-0x0000000001D86000-memory.dmp

Filesize
24KB

Download
memory/1244-10-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1244-4-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1244-3-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1556-34-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1556-33-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/2256-9-0x00000000777BF000-0x00000000777C1000-memory.dmp

Filesize
8KB

Download
memory/2256-11-0x00000000775C0000-0x0000000077769000-memory.dmp

Filesize
1.7MB

Download
memory/2256-28-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2256-6-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2256-8-0x00000000777BF000-0x00000000777C0000-memory.dmp

Filesize
4KB

Download
memory/2256-7-0x00000000777C0000-0x00000000777C1000-memory.dmp

Filesize
4KB

Download
memory/2256-39-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download