tinba | fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0

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
05-02-2025 18:02

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General

Target

fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe
Size

110KB
MD5

e18be89a930b6126348f95012530fd10
SHA1

61974400e8ae35973a58bc9f14e50377a569e8fa
SHA256

fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0
SHA512

93cacbf2a69717da47e136a1e8300ca8f204be2c7864cc35d86e41e4c2bdfade7b60330eab9a875d9f51bb052cac5324d6729e8b654cba10249523d91645f297
SSDEEP

1536:KiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:KiyvRmDLs/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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\DA8A30C5 = "C:\\Users\\Admin\\AppData\\Roaming\\DA8A30C5\\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/1800-0-0x0000000000400000-0x000000000041E000-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	fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe
492	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
492	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 492	1800	fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe	32
PID 1800 wrote to memory of 492	1800	fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe	32
PID 1800 wrote to memory of 492	1800	fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe	32
PID 1800 wrote to memory of 492	1800	fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe	32
PID 1800 wrote to memory of 492	1800	fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe	32
PID 492 wrote to memory of 1192	492	winver.exe	21
PID 492 wrote to memory of 1104	492	winver.exe	19
PID 492 wrote to memory of 1164	492	winver.exe	20
PID 492 wrote to memory of 1192	492	winver.exe	21
PID 492 wrote to memory of 1312	492	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe
  "C:\Users\Admin\AppData\Local\Temp\fe7b8cdc39247a1366c2f04d91a4ac93385177879509c02ac3761e5f637e85a0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1800
- - 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:492

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1312

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/492-9-0x000000007713F000-0x0000000077141000-memory.dmp

Filesize
8KB

Download
memory/492-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/492-7-0x0000000077140000-0x0000000077141000-memory.dmp

Filesize
4KB

Download
memory/492-32-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/492-11-0x0000000076F40000-0x00000000770E9000-memory.dmp

Filesize
1.7MB

Download
memory/492-8-0x000000007713F000-0x0000000077140000-memory.dmp

Filesize
4KB

Download
memory/1104-29-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1104-30-0x0000000076F91000-0x0000000076F92000-memory.dmp

Filesize
4KB

Download
memory/1164-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-31-0x0000000076F91000-0x0000000076F92000-memory.dmp

Filesize
4KB

Download
memory/1164-33-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000076F91000-0x0000000076F92000-memory.dmp

Filesize
4KB

Download
memory/1192-2-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1192-26-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1192-23-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1312-27-0x0000000001CD0000-0x0000000001CD6000-memory.dmp

Filesize
24KB

Download
memory/1312-28-0x0000000076F91000-0x0000000076F92000-memory.dmp

Filesize
4KB

Download
memory/1312-25-0x0000000001CD0000-0x0000000001CD6000-memory.dmp

Filesize
24KB

Download
memory/1800-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1800-13-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/1800-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1800-5-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/1800-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download