tinba | b1eeedf805b209ac03e921a35cf23dce1773da7a4d1bf92c57521e3a45696f75

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
12/01/2025, 10:09

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General

Target

b1eeedf805b209ac03e921a35cf23dce1773da7a4d1bf92c57521e3a45696f75.exe
Size

110KB
MD5

bf42fef5875564a3de266427ad66e41a
SHA1

65679f4e5633d916e7d95d85512ce21c4eedbe7b
SHA256

b1eeedf805b209ac03e921a35cf23dce1773da7a4d1bf92c57521e3a45696f75
SHA512

2e29e4975a1c8fd70f64e27edd35b9b4d83ca1d6d7295b5b6664b8bd63bcf30829d18a1236d04db177ef7830d8ee1c560bf27b3a8e9f23a56833b2bb319976ee
SSDEEP

1536:GiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:GiyvRmDLs/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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\F2F7046C = "C:\\Users\\Admin\\AppData\\Roaming\\F2F7046C\\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/2308-0-0x0000000000400000-0x000000000041E000-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	b1eeedf805b209ac03e921a35cf23dce1773da7a4d1bf92c57521e3a45696f75.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	b1eeedf805b209ac03e921a35cf23dce1773da7a4d1bf92c57521e3a45696f75.exe	31
PID 2308 wrote to memory of 2396	2308	b1eeedf805b209ac03e921a35cf23dce1773da7a4d1bf92c57521e3a45696f75.exe	31
PID 2308 wrote to memory of 2396	2308	b1eeedf805b209ac03e921a35cf23dce1773da7a4d1bf92c57521e3a45696f75.exe	31
PID 2308 wrote to memory of 2396	2308	b1eeedf805b209ac03e921a35cf23dce1773da7a4d1bf92c57521e3a45696f75.exe	31
PID 2308 wrote to memory of 2396	2308	b1eeedf805b209ac03e921a35cf23dce1773da7a4d1bf92c57521e3a45696f75.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\b1eeedf805b209ac03e921a35cf23dce1773da7a4d1bf92c57521e3a45696f75.exe
  "C:\Users\Admin\AppData\Local\Temp\b1eeedf805b209ac03e921a35cf23dce1773da7a4d1bf92c57521e3a45696f75.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/1100-25-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1100-26-0x00000000775D1000-0x00000000775D2000-memory.dmp

Filesize
4KB

Download
memory/1168-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

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

Filesize
24KB

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

Filesize
24KB

Download
memory/1196-22-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1196-28-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

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

Filesize
4KB

Download
memory/1660-29-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1660-30-0x00000000775D1000-0x00000000775D2000-memory.dmp

Filesize
4KB

Download
memory/1660-24-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/2308-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2308-13-0x0000000001C90000-0x0000000002690000-memory.dmp

Filesize
10.0MB

Download
memory/2308-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2308-5-0x0000000001C90000-0x0000000002690000-memory.dmp

Filesize
10.0MB

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

Filesize
4KB

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

Filesize
1.7MB

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

Filesize
8KB

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

Filesize
4KB

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

Filesize
4KB

Download
memory/2396-6-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2396-31-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download