tinba | 4e8a548120334ee5f80a5675b897fdeb86103cdb0f1f1b76f125522988f70707

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/12/2024, 04:56

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General

Target

4e8a548120334ee5f80a5675b897fdeb86103cdb0f1f1b76f125522988f70707N.exe
Size

34KB
MD5

d2c8020a6a0c11a0cdf9219b91010a50
SHA1

1fe109cf1e128111537f745e8ec2ce53313e356f
SHA256

4e8a548120334ee5f80a5675b897fdeb86103cdb0f1f1b76f125522988f70707
SHA512

9806766528b87771da74a31a50f0f757e7e4c400e4144c508809beae4d87ec3b03b91e17a803f12404182ba1916c7656c0e58b7b80ac44d4d8d5be76b4c0c319
SSDEEP

768:ip22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Jy:ipYoX58z1uirL98xMWnT0OQ9Jy

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\5D488A76 = "C:\\Users\\Admin\\AppData\\Roaming\\5D488A76\\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/2460-0-0x0000000000400000-0x0000000000417000-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	4e8a548120334ee5f80a5675b897fdeb86103cdb0f1f1b76f125522988f70707N.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	4e8a548120334ee5f80a5675b897fdeb86103cdb0f1f1b76f125522988f70707N.exe	32
PID 2460 wrote to memory of 2440	2460	4e8a548120334ee5f80a5675b897fdeb86103cdb0f1f1b76f125522988f70707N.exe	32
PID 2460 wrote to memory of 2440	2460	4e8a548120334ee5f80a5675b897fdeb86103cdb0f1f1b76f125522988f70707N.exe	32
PID 2460 wrote to memory of 2440	2460	4e8a548120334ee5f80a5675b897fdeb86103cdb0f1f1b76f125522988f70707N.exe	32
PID 2460 wrote to memory of 2440	2460	4e8a548120334ee5f80a5675b897fdeb86103cdb0f1f1b76f125522988f70707N.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\4e8a548120334ee5f80a5675b897fdeb86103cdb0f1f1b76f125522988f70707N.exe
  "C:\Users\Admin\AppData\Local\Temp\4e8a548120334ee5f80a5675b897fdeb86103cdb0f1f1b76f125522988f70707N.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/1108-23-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1108-24-0x0000000077A11000-0x0000000077A12000-memory.dmp

Filesize
4KB

Download
memory/1160-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1160-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

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

Filesize
4KB

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

Filesize
24KB

Download
memory/1208-22-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1208-25-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1700-32-0x0000000077A11000-0x0000000077A12000-memory.dmp

Filesize
4KB

Download
memory/1700-31-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/1700-37-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/1700-33-0x0000000077A11000-0x0000000077A12000-memory.dmp

Filesize
4KB

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

Filesize
8KB

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

Filesize
4KB

Download
memory/2440-26-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2440-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

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

Filesize
1.7MB

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

Filesize
4KB

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

Filesize
4KB

Download
memory/2460-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2460-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2460-13-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2460-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download