tinba | 977ce1ef29b147ac14519b3077ff04bb583cf370614cc3f7f69e794ba82087d4

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-11-2024 08:59

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General

Target

977ce1ef29b147ac14519b3077ff04bb583cf370614cc3f7f69e794ba82087d4N.exe
Size

110KB
MD5

ad2948036226162a59dc834bc1e14d60
SHA1

8c7ad8bfab90cb7c1d154ceb7718009207caa62a
SHA256

977ce1ef29b147ac14519b3077ff04bb583cf370614cc3f7f69e794ba82087d4
SHA512

75a811ad021e50e55aacdf4b689358af4ee93fbd03274cd58a1c6561f4bbd0a24dbe5964873d171c210c131c8c0afaaa4c315ec59762fc704cad14d1a61e1159
SSDEEP

1536:IiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:IiyvRmDLs/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\B54CC736 = "C:\\Users\\Admin\\AppData\\Roaming\\B54CC736\\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/2848-0-0x0000000000400000-0x000000000041E000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	977ce1ef29b147ac14519b3077ff04bb583cf370614cc3f7f69e794ba82087d4N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe
2248	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2248	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2248	2848	977ce1ef29b147ac14519b3077ff04bb583cf370614cc3f7f69e794ba82087d4N.exe	31
PID 2848 wrote to memory of 2248	2848	977ce1ef29b147ac14519b3077ff04bb583cf370614cc3f7f69e794ba82087d4N.exe	31
PID 2848 wrote to memory of 2248	2848	977ce1ef29b147ac14519b3077ff04bb583cf370614cc3f7f69e794ba82087d4N.exe	31
PID 2848 wrote to memory of 2248	2848	977ce1ef29b147ac14519b3077ff04bb583cf370614cc3f7f69e794ba82087d4N.exe	31
PID 2848 wrote to memory of 2248	2848	977ce1ef29b147ac14519b3077ff04bb583cf370614cc3f7f69e794ba82087d4N.exe	31
PID 2248 wrote to memory of 1212	2248	winver.exe	21
PID 2248 wrote to memory of 1116	2248	winver.exe	19
PID 2248 wrote to memory of 1168	2248	winver.exe	20
PID 2248 wrote to memory of 1212	2248	winver.exe	21
PID 2248 wrote to memory of 848	2248	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\977ce1ef29b147ac14519b3077ff04bb583cf370614cc3f7f69e794ba82087d4N.exe
  "C:\Users\Admin\AppData\Local\Temp\977ce1ef29b147ac14519b3077ff04bb583cf370614cc3f7f69e794ba82087d4N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2848
- - 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:2248

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:848

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/848-27-0x0000000077451000-0x0000000077452000-memory.dmp

Filesize
4KB

Download
memory/848-26-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/848-24-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1116-28-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1116-29-0x0000000077451000-0x0000000077452000-memory.dmp

Filesize
4KB

Download
memory/1168-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077451000-0x0000000077452000-memory.dmp

Filesize
4KB

Download
memory/1212-2-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1212-25-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1212-22-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/2248-7-0x0000000077600000-0x0000000077601000-memory.dmp

Filesize
4KB

Download
memory/2248-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2248-11-0x0000000077400000-0x00000000775A9000-memory.dmp

Filesize
1.7MB

Download
memory/2248-8-0x00000000775FF000-0x0000000077600000-memory.dmp

Filesize
4KB

Download
memory/2248-9-0x00000000775FF000-0x0000000077601000-memory.dmp

Filesize
8KB

Download
memory/2248-30-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2848-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2848-5-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/2848-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2848-13-0x0000000001E60000-0x0000000002860000-memory.dmp

Filesize
10.0MB

Download
memory/2848-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download