tinba | ea4df1bb1b61b7643a0efbba9e3ec6780d6f57a40b0c691ca5fe0f5acc09f7cd

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-01-2025 05:39

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General

Target

ea4df1bb1b61b7643a0efbba9e3ec6780d6f57a40b0c691ca5fe0f5acc09f7cdN.exe
Size

110KB
MD5

5a71b8ec4913df1b1a964e3a402bda60
SHA1

e823bd26912e5254cbf571fb31fb55fa94395577
SHA256

ea4df1bb1b61b7643a0efbba9e3ec6780d6f57a40b0c691ca5fe0f5acc09f7cd
SHA512

39b23ecaa40b19593eeeb6f96c66c97dfed3a7cf9c357246be812c7fded552319e5b72a20ae1e3b81d058167babe38107ccd1687251ddcaec22555547a7064d1
SSDEEP

1536:eiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:eiyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\1C942D87 = "C:\\Users\\Admin\\AppData\\Roaming\\1C942D87\\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/2496-0-0x0000000000400000-0x000000000041E000-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	ea4df1bb1b61b7643a0efbba9e3ec6780d6f57a40b0c691ca5fe0f5acc09f7cdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe
2344	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2344	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2344	2496	ea4df1bb1b61b7643a0efbba9e3ec6780d6f57a40b0c691ca5fe0f5acc09f7cdN.exe	31
PID 2496 wrote to memory of 2344	2496	ea4df1bb1b61b7643a0efbba9e3ec6780d6f57a40b0c691ca5fe0f5acc09f7cdN.exe	31
PID 2496 wrote to memory of 2344	2496	ea4df1bb1b61b7643a0efbba9e3ec6780d6f57a40b0c691ca5fe0f5acc09f7cdN.exe	31
PID 2496 wrote to memory of 2344	2496	ea4df1bb1b61b7643a0efbba9e3ec6780d6f57a40b0c691ca5fe0f5acc09f7cdN.exe	31
PID 2496 wrote to memory of 2344	2496	ea4df1bb1b61b7643a0efbba9e3ec6780d6f57a40b0c691ca5fe0f5acc09f7cdN.exe	31
PID 2344 wrote to memory of 1176	2344	winver.exe	21
PID 2344 wrote to memory of 1056	2344	winver.exe	17
PID 2344 wrote to memory of 1084	2344	winver.exe	19
PID 2344 wrote to memory of 1176	2344	winver.exe	21
PID 2344 wrote to memory of 1760	2344	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1056

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1084

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1176
- C:\Users\Admin\AppData\Local\Temp\ea4df1bb1b61b7643a0efbba9e3ec6780d6f57a40b0c691ca5fe0f5acc09f7cdN.exe
  "C:\Users\Admin\AppData\Local\Temp\ea4df1bb1b61b7643a0efbba9e3ec6780d6f57a40b0c691ca5fe0f5acc09f7cdN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2496
- - 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:2344

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1760

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/1056-26-0x0000000077411000-0x0000000077412000-memory.dmp

Filesize
4KB

Download
memory/1056-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1084-20-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1084-27-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1176-2-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

Filesize
24KB

Download
memory/1176-10-0x0000000077411000-0x0000000077412000-memory.dmp

Filesize
4KB

Download
memory/1176-3-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

Filesize
24KB

Download
memory/1176-22-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1176-4-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

Filesize
24KB

Download
memory/1760-29-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1760-30-0x0000000077411000-0x0000000077412000-memory.dmp

Filesize
4KB

Download
memory/1760-24-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/2344-11-0x00000000773C0000-0x0000000077569000-memory.dmp

Filesize
1.7MB

Download
memory/2344-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2344-7-0x00000000775C0000-0x00000000775C1000-memory.dmp

Filesize
4KB

Download
memory/2344-8-0x00000000775BF000-0x00000000775C0000-memory.dmp

Filesize
4KB

Download
memory/2344-9-0x00000000775BF000-0x00000000775C1000-memory.dmp

Filesize
8KB

Download
memory/2344-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2496-13-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/2496-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2496-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2496-5-0x0000000001CC0000-0x00000000026C0000-memory.dmp

Filesize
10.0MB

Download
memory/2496-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download