tinba | e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 17:07

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General

Target

e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe
Size

89KB
MD5

0b91932f16c8ded96503b52f8e71e6d7
SHA1

024c8465e4c2eee355eaa26436412acdc3c650b4
SHA256

e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7
SHA512

df466382b36085be5f7f441e83592df860b60b37066710f4e21b0a60bc0fdd8c58fc4ec5fc3f33e9c8e7490a00356907512d7be2676aff96ae160da61484f6e9
SSDEEP

1536:t1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7q:v+4MJIkLZJNAQ9Jo9q

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\593F30C4 = "C:\\Users\\Admin\\AppData\\Roaming\\593F30C4\\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/2308-0-0x0000000000400000-0x0000000000418000-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	e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe
2396	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2396	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2396	2308	e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe	31
PID 2308 wrote to memory of 2396	2308	e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe	31
PID 2308 wrote to memory of 2396	2308	e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe	31
PID 2308 wrote to memory of 2396	2308	e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe	31
PID 2308 wrote to memory of 2396	2308	e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe	31
PID 2396 wrote to memory of 1196	2396	winver.exe	21
PID 2396 wrote to memory of 1100	2396	winver.exe	19
PID 2396 wrote to memory of 1168	2396	winver.exe	20
PID 2396 wrote to memory of 1196	2396	winver.exe	21
PID 2396 wrote to memory of 1660	2396	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe
  "C:\Users\Admin\AppData\Local\Temp\e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2308
- - 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:2396

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1660

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/1100-25-0x00000000775D1000-0x00000000775D2000-memory.dmp

Filesize
4KB

Download
memory/1100-24-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1168-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1196-27-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x00000000775D1000-0x00000000775D2000-memory.dmp

Filesize
4KB

Download
memory/1196-4-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1196-21-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1660-28-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1660-29-0x00000000775D1000-0x00000000775D2000-memory.dmp

Filesize
4KB

Download
memory/1660-23-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/2308-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2308-13-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2308-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2308-5-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2308-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2396-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2396-7-0x0000000077780000-0x0000000077781000-memory.dmp

Filesize
4KB

Download
memory/2396-8-0x000000007777F000-0x0000000077780000-memory.dmp

Filesize
4KB

Download
memory/2396-9-0x000000007777F000-0x0000000077781000-memory.dmp

Filesize
8KB

Download
memory/2396-11-0x0000000077580000-0x0000000077729000-memory.dmp

Filesize
1.7MB

Download
memory/2396-30-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download