tinba | a26c674de61dec925067e3c66adeee37ab0c13cb59d9e22556194b91ffaab5e4

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
04-02-2025 20:35

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General

Target

a26c674de61dec925067e3c66adeee37ab0c13cb59d9e22556194b91ffaab5e4.exe
Size

110KB
MD5

f2aa6c20af9947d2d897b25c54554d1d
SHA1

e9135f5dae8d3c6b836946b972b7957c98745f4b
SHA256

a26c674de61dec925067e3c66adeee37ab0c13cb59d9e22556194b91ffaab5e4
SHA512

f4f001e37b97548ec5a5857af0a78494c18cc967d485062f3cc7f674278bdc0ba47635e7152d8617bb6973d4e9594ae8fda6de1e0c9326ba28897ed608225bbf
SSDEEP

1536:KiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:KiyvRmDLs/ZrwWJjAqGcRJ2hw

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\11BAB571 = "C:\\Users\\Admin\\AppData\\Roaming\\11BAB571\\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/2808-0-0x0000000000400000-0x000000000041E000-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	a26c674de61dec925067e3c66adeee37ab0c13cb59d9e22556194b91ffaab5e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2316	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2316	2808	a26c674de61dec925067e3c66adeee37ab0c13cb59d9e22556194b91ffaab5e4.exe	31
PID 2808 wrote to memory of 2316	2808	a26c674de61dec925067e3c66adeee37ab0c13cb59d9e22556194b91ffaab5e4.exe	31
PID 2808 wrote to memory of 2316	2808	a26c674de61dec925067e3c66adeee37ab0c13cb59d9e22556194b91ffaab5e4.exe	31
PID 2808 wrote to memory of 2316	2808	a26c674de61dec925067e3c66adeee37ab0c13cb59d9e22556194b91ffaab5e4.exe	31
PID 2808 wrote to memory of 2316	2808	a26c674de61dec925067e3c66adeee37ab0c13cb59d9e22556194b91ffaab5e4.exe	31
PID 2316 wrote to memory of 1196	2316	winver.exe	21
PID 2316 wrote to memory of 1064	2316	winver.exe	17
PID 2316 wrote to memory of 1128	2316	winver.exe	19
PID 2316 wrote to memory of 1196	2316	winver.exe	21
PID 2316 wrote to memory of 1684	2316	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1064

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1128

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\a26c674de61dec925067e3c66adeee37ab0c13cb59d9e22556194b91ffaab5e4.exe
  "C:\Users\Admin\AppData\Local\Temp\a26c674de61dec925067e3c66adeee37ab0c13cb59d9e22556194b91ffaab5e4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2808
- - 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:2316

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1684

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/1064-26-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download
memory/1064-27-0x0000000077991000-0x0000000077992000-memory.dmp

Filesize
4KB

Download
memory/1064-37-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download
memory/1128-23-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1128-20-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1128-24-0x0000000077991000-0x0000000077992000-memory.dmp

Filesize
4KB

Download
memory/1196-2-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077991000-0x0000000077992000-memory.dmp

Filesize
4KB

Download
memory/1196-25-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1196-22-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1684-32-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/1684-33-0x0000000077991000-0x0000000077992000-memory.dmp

Filesize
4KB

Download
memory/2316-11-0x0000000077940000-0x0000000077AE9000-memory.dmp

Filesize
1.7MB

Download
memory/2316-28-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2316-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2316-7-0x0000000077B40000-0x0000000077B41000-memory.dmp

Filesize
4KB

Download
memory/2316-8-0x0000000077B3F000-0x0000000077B40000-memory.dmp

Filesize
4KB

Download
memory/2316-9-0x0000000077B3F000-0x0000000077B41000-memory.dmp

Filesize
8KB

Download
memory/2808-13-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download
memory/2808-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2808-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2808-5-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download
memory/2808-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download