tinba | 9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-01-2025 15:35

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General

Target

9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe
Size

110KB
MD5

9b8ae9c0cc891fc4c67a9dc747ad2b28
SHA1

aaa52dc80f3671d4832f28c60d369f9527e12f10
SHA256

9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a
SHA512

af91f6782025ec79688ca44d05ca05a06ecbf71cda1a89590dd576117f384b63312a206c7f5b674c0867c20a9e0bcd6a88764bd633a32638abe7745d92966494
SSDEEP

1536:eiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:eiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\E62F4784 = "C:\\Users\\Admin\\AppData\\Roaming\\E62F4784\\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/1740-0-0x0000000000400000-0x000000000041E000-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	9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe
2408	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2408	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2408	1740	9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe	31
PID 1740 wrote to memory of 2408	1740	9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe	31
PID 1740 wrote to memory of 2408	1740	9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe	31
PID 1740 wrote to memory of 2408	1740	9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe	31
PID 1740 wrote to memory of 2408	1740	9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe	31
PID 2408 wrote to memory of 1240	2408	winver.exe	21
PID 2408 wrote to memory of 1128	2408	winver.exe	19
PID 2408 wrote to memory of 1192	2408	winver.exe	20
PID 2408 wrote to memory of 1240	2408	winver.exe	21
PID 2408 wrote to memory of 864	2408	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1192

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1240
- C:\Users\Admin\AppData\Local\Temp\9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe
  "C:\Users\Admin\AppData\Local\Temp\9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1740
- - 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:2408

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:864

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/864-24-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/864-32-0x00000000777E1000-0x00000000777E2000-memory.dmp

Filesize
4KB

Download
memory/864-31-0x0000000001E60000-0x0000000001E66000-memory.dmp

Filesize
24KB

Download
memory/1128-35-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1128-26-0x00000000777E1000-0x00000000777E2000-memory.dmp

Filesize
4KB

Download
memory/1128-27-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1192-28-0x00000000777E1000-0x00000000777E2000-memory.dmp

Filesize
4KB

Download
memory/1192-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1192-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1240-3-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1240-10-0x00000000777E1000-0x00000000777E2000-memory.dmp

Filesize
4KB

Download
memory/1240-22-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1240-2-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1240-25-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1240-4-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1740-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1740-13-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/1740-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1740-5-0x0000000001D00000-0x0000000002700000-memory.dmp

Filesize
10.0MB

Download
memory/1740-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2408-29-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2408-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2408-7-0x0000000077990000-0x0000000077991000-memory.dmp

Filesize
4KB

Download
memory/2408-8-0x000000007798F000-0x0000000077990000-memory.dmp

Filesize
4KB

Download
memory/2408-9-0x000000007798F000-0x0000000077991000-memory.dmp

Filesize
8KB

Download
memory/2408-11-0x0000000077790000-0x0000000077939000-memory.dmp

Filesize
1.7MB

Download