tinba | b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304f

Analysis

max time kernel
118s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 15:44

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General

Target

b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe
Size

49KB
MD5

90cdffde5a6c8b7d151138e740afd190
SHA1

1a805cf261ec08831a6ecbcc875ea9c296908753
SHA256

b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304f
SHA512

7206444839c1c1196013715b26d73100c0949d11b888d667e6457d433c3203596d970469ccf751f79ac1eb9b7661836bf82c83ee792f5b450d11b83c72ff34e9
SSDEEP

1536:XOBLXNqgzf2v6b6NkXklZlogHGe9eBXW:XYLduv6OqXIlogmjW

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\3EB6AF44 = "C:\\Users\\Admin\\AppData\\Roaming\\3EB6AF44\\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/2460-0-0x0000000000400000-0x000000000041D000-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	b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe
2440	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2440	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2440	2460	b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe	32
PID 2460 wrote to memory of 2440	2460	b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe	32
PID 2460 wrote to memory of 2440	2460	b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe	32
PID 2460 wrote to memory of 2440	2460	b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe	32
PID 2460 wrote to memory of 2440	2460	b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe	32
PID 2440 wrote to memory of 1208	2440	winver.exe	21
PID 2440 wrote to memory of 1108	2440	winver.exe	19
PID 2440 wrote to memory of 1160	2440	winver.exe	20
PID 2440 wrote to memory of 1208	2440	winver.exe	21
PID 2440 wrote to memory of 1700	2440	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe
  "C:\Users\Admin\AppData\Local\Temp\b91eedc0ba078bad00660ca176bb44bae29ee34831ae5aff47e0e2a01912304fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2460
- - 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:2440

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1700

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/1108-24-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1108-25-0x0000000077A11000-0x0000000077A12000-memory.dmp

Filesize
4KB

Download
memory/1160-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1160-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1208-4-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1208-10-0x0000000077A11000-0x0000000077A12000-memory.dmp

Filesize
4KB

Download
memory/1208-21-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1208-26-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1700-23-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/1700-29-0x0000000077A11000-0x0000000077A12000-memory.dmp

Filesize
4KB

Download
memory/1700-30-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/2440-11-0x00000000779C0000-0x0000000077B69000-memory.dmp

Filesize
1.7MB

Download
memory/2440-27-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2440-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2440-7-0x0000000077BC0000-0x0000000077BC1000-memory.dmp

Filesize
4KB

Download
memory/2440-8-0x0000000077BBF000-0x0000000077BC0000-memory.dmp

Filesize
4KB

Download
memory/2440-9-0x0000000077BBF000-0x0000000077BC1000-memory.dmp

Filesize
8KB

Download
memory/2440-35-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2460-13-0x0000000001E20000-0x0000000002820000-memory.dmp

Filesize
10.0MB

Download
memory/2460-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2460-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2460-5-0x0000000001E20000-0x0000000002820000-memory.dmp

Filesize
10.0MB

Download
memory/2460-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download