tinba | 376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 10:03

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General

Target

376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe
Size

34KB
MD5

70eb90926a331e62ccb5b2adc9f30870
SHA1

296e2dd5375e6145b80a5bfcd3703aa8e348a3b7
SHA256

376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3
SHA512

5bc707c0c2bd56047e421f3999c7ab4d17f12170c9051eb4646d8220c8e2064ba263a9d42d1e7bb6a6a2d64e451aaae71992994488ba1ed8ce8734136aa5b778
SSDEEP

768:Fp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Ji:FpYoX58z1uirL98xMWnT0OQ9Ji

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\99EACDEE = "C:\\Users\\Admin\\AppData\\Roaming\\99EACDEE\\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/2248-0-0x0000000000400000-0x0000000000417000-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	376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe
2584	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2584	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2584	2248	376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe	31
PID 2248 wrote to memory of 2584	2248	376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe	31
PID 2248 wrote to memory of 2584	2248	376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe	31
PID 2248 wrote to memory of 2584	2248	376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe	31
PID 2248 wrote to memory of 2584	2248	376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe	31
PID 2584 wrote to memory of 1412	2584	winver.exe	21
PID 2584 wrote to memory of 1252	2584	winver.exe	19
PID 2584 wrote to memory of 1348	2584	winver.exe	20
PID 2584 wrote to memory of 1412	2584	winver.exe	21
PID 2584 wrote to memory of 1264	2584	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1252

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1348

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1412
- C:\Users\Admin\AppData\Local\Temp\376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe
  "C:\Users\Admin\AppData\Local\Temp\376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2248
- - 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:2584

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1264

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/1252-26-0x0000000077341000-0x0000000077342000-memory.dmp

Filesize
4KB

Download
memory/1252-25-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1264-30-0x0000000077341000-0x0000000077342000-memory.dmp

Filesize
4KB

Download
memory/1264-29-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/1264-24-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/1348-27-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1348-19-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1412-2-0x0000000003860000-0x0000000003866000-memory.dmp

Filesize
24KB

Download
memory/1412-28-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/1412-3-0x0000000003860000-0x0000000003866000-memory.dmp

Filesize
24KB

Download
memory/1412-4-0x0000000003860000-0x0000000003866000-memory.dmp

Filesize
24KB

Download
memory/1412-10-0x0000000077341000-0x0000000077342000-memory.dmp

Filesize
4KB

Download
memory/1412-21-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/2248-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2248-13-0x0000000001BF0000-0x00000000025F0000-memory.dmp

Filesize
10.0MB

Download
memory/2248-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2248-5-0x0000000001BF0000-0x00000000025F0000-memory.dmp

Filesize
10.0MB

Download
memory/2248-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2584-11-0x00000000772F0000-0x0000000077499000-memory.dmp

Filesize
1.7MB

Download
memory/2584-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2584-7-0x00000000774F0000-0x00000000774F1000-memory.dmp

Filesize
4KB

Download
memory/2584-8-0x00000000774EF000-0x00000000774F0000-memory.dmp

Filesize
4KB

Download
memory/2584-9-0x00000000774EF000-0x00000000774F1000-memory.dmp

Filesize
8KB

Download
memory/2584-31-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download