tinba | 38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20/01/2025, 20:20

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General

Target

38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe
Size

110KB
MD5

fe52f2d0bde65b46f3690d58dbf708c0
SHA1

f613b369fdd56bf29908f6a9f854a201adf9309a
SHA256

38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355
SHA512

02545224f492bd2169dd91dd0d79a6460d5d62279f0b839fc85eb283df1e286d8284ea522ac604280d3eb7499390c6cd5a4418ef0f6ec6017e4b71c9ac149ed6
SSDEEP

1536:2iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:2iyvRmDLs/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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\C7DA82EC = "C:\\Users\\Admin\\AppData\\Roaming\\C7DA82EC\\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/2880-0-0x0000000000400000-0x000000000041E000-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	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe
2792	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2792	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2792	2880	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe	31
PID 2880 wrote to memory of 2792	2880	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe	31
PID 2880 wrote to memory of 2792	2880	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe	31
PID 2880 wrote to memory of 2792	2880	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe	31
PID 2880 wrote to memory of 2792	2880	38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe	31
PID 2792 wrote to memory of 1352	2792	winver.exe	21
PID 2792 wrote to memory of 1220	2792	winver.exe	19
PID 2792 wrote to memory of 1308	2792	winver.exe	20
PID 2792 wrote to memory of 1352	2792	winver.exe	21
PID 2792 wrote to memory of 796	2792	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1220

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1308

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1352
- C:\Users\Admin\AppData\Local\Temp\38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe
  "C:\Users\Admin\AppData\Local\Temp\38a2f2d0fbb26e1f2ab109d4779cd31e79244298a6ceb83bf483a0268dc8e355N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2880
- - 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:2792

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:796

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/796-28-0x0000000077C21000-0x0000000077C22000-memory.dmp

Filesize
4KB

Download
memory/796-24-0x0000000001C70000-0x0000000001C76000-memory.dmp

Filesize
24KB

Download
memory/796-27-0x0000000001C70000-0x0000000001C76000-memory.dmp

Filesize
24KB

Download
memory/1220-25-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1220-26-0x0000000077C21000-0x0000000077C22000-memory.dmp

Filesize
4KB

Download
memory/1308-30-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1308-20-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1352-29-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1352-2-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1352-3-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1352-4-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1352-10-0x0000000077C21000-0x0000000077C22000-memory.dmp

Filesize
4KB

Download
memory/1352-22-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/2792-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2792-11-0x0000000077BD0000-0x0000000077D79000-memory.dmp

Filesize
1.7MB

Download
memory/2792-9-0x0000000077DCF000-0x0000000077DD1000-memory.dmp

Filesize
8KB

Download
memory/2792-8-0x0000000077DCF000-0x0000000077DD0000-memory.dmp

Filesize
4KB

Download
memory/2792-7-0x0000000077DD0000-0x0000000077DD1000-memory.dmp

Filesize
4KB

Download
memory/2792-31-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2792-36-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/2880-14-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/2880-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2880-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2880-5-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/2880-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download