tinba | c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad

Analysis

max time kernel
148s
max time network
145s
platform
windows10_x64
resource
win10v20210410
submitted
11-05-2021 15:01

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General

Target

c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe
Size

136KB
MD5

bac4f0041be169bfafa94fb4df5bce5e
SHA1

b8c9bfe9f2f0233b357920ef1ac0cff5b9e96bf0
SHA256

c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad
SHA512

cead2dd3ea9efc1b344b5ffef853dfbbbd24dffbe42f99aba6fc07e6330c341ea844241aca602c2447107cf8916470111bebe56de6e337fe7f948ea495f8bcff

Score

10^/10

tinba banker persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

winver.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	winver.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\DC64D225 = "C:\\Users\\Admin\\AppData\\Roaming\\DC64D225\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe

description	pid	process	target process
PID 3980 set thread context of 2032	3980	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2980 3800 WerFault.exe DllHost.exe

pid	pid_target	process	target process
2980	3800	WerFault.exe	DllHost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exewinver.exeWerFault.exe

pid	process
3980	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe
3980	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe
2368	winver.exe
2368	winver.exe
2980	WerFault.exe
2980	WerFault.exe
2980	WerFault.exe
2980	WerFault.exe
2980	WerFault.exe
2980	WerFault.exe
2980	WerFault.exe
2980	WerFault.exe
2980	WerFault.exe
2980	WerFault.exe
2980	WerFault.exe
2980	WerFault.exe
2980	WerFault.exe
2980	WerFault.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe
2368	winver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2504 Explorer.EXE

pid	process
2504	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

Explorer.EXEWerFault.exe

description	pid	process
Token: SeShutdownPrivilege	2504	Explorer.EXE
Token: SeCreatePagefilePrivilege	2504	Explorer.EXE
Token: SeShutdownPrivilege	2504	Explorer.EXE
Token: SeCreatePagefilePrivilege	2504	Explorer.EXE
Token: SeDebugPrivilege	2980	WerFault.exe
Token: SeShutdownPrivilege	2504	Explorer.EXE
Token: SeCreatePagefilePrivilege	2504	Explorer.EXE
Token: SeShutdownPrivilege	2504	Explorer.EXE
Token: SeCreatePagefilePrivilege	2504	Explorer.EXE
Token: SeShutdownPrivilege	2504	Explorer.EXE
Token: SeCreatePagefilePrivilege	2504	Explorer.EXE
Token: SeShutdownPrivilege	2504	Explorer.EXE
Token: SeCreatePagefilePrivilege	2504	Explorer.EXE
Token: SeShutdownPrivilege	2504	Explorer.EXE
Token: SeCreatePagefilePrivilege	2504	Explorer.EXE
Token: SeShutdownPrivilege	2504	Explorer.EXE
Token: SeCreatePagefilePrivilege	2504	Explorer.EXE
Token: SeShutdownPrivilege	2504	Explorer.EXE
Token: SeCreatePagefilePrivilege	2504	Explorer.EXE
Token: SeShutdownPrivilege	2504	Explorer.EXE
Token: SeCreatePagefilePrivilege	2504	Explorer.EXE
Token: SeShutdownPrivilege	2504	Explorer.EXE
Token: SeCreatePagefilePrivilege	2504	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid process

2368 winver.exe

pid	process
2368	winver.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe

pid	process
3980	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe
3980	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exec881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exewinver.exe

description	pid	process	target process
PID 3980 wrote to memory of 2032	3980	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe
PID 3980 wrote to memory of 2032	3980	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe
PID 3980 wrote to memory of 2032	3980	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe
PID 3980 wrote to memory of 2032	3980	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe
PID 3980 wrote to memory of 2032	3980	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe
PID 3980 wrote to memory of 2032	3980	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe
PID 3980 wrote to memory of 2032	3980	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe
PID 2032 wrote to memory of 2368	2032	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe	winver.exe
PID 2032 wrote to memory of 2368	2032	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe	winver.exe
PID 2032 wrote to memory of 2368	2032	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe	winver.exe
PID 2032 wrote to memory of 2368	2032	c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe	winver.exe
PID 2368 wrote to memory of 2504	2368	winver.exe	Explorer.EXE
PID 2368 wrote to memory of 2576	2368	winver.exe	sihost.exe
PID 2368 wrote to memory of 2640	2368	winver.exe	svchost.exe
PID 2368 wrote to memory of 2840	2368	winver.exe	taskhostw.exe
PID 2368 wrote to memory of 2504	2368	winver.exe	Explorer.EXE
PID 2368 wrote to memory of 3324	2368	winver.exe	ShellExperienceHost.exe
PID 2368 wrote to memory of 3344	2368	winver.exe	SearchUI.exe
PID 2368 wrote to memory of 3540	2368	winver.exe	RuntimeBroker.exe
PID 2368 wrote to memory of 3800	2368	winver.exe	DllHost.exe
PID 2368 wrote to memory of 1904	2368	winver.exe	DllHost.exe
PID 2368 wrote to memory of 3812	2368	winver.exe
PID 2368 wrote to memory of 2980	2368	winver.exe	WerFault.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2504

C:\Users\Admin\AppData\Local\Temp\c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe
"C:\Users\Admin\AppData\Local\Temp\c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3980

C:\Users\Admin\AppData\Local\Temp\c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe
C:\Users\Admin\AppData\Local\Temp\c881fa9559c8df01392a329140262fb4881668dc6384a1642df3c4db3dda50ad.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\winver.exe
winver
4⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2368

C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
"C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
1⤵
PID:3344

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3540

C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
"C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
1⤵
PID:3324

c:\windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2840

c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
1⤵
PID:2640

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3800

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3800 -s 856
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2980

c:\windows\system32\sihost.exe
sihost.exe
1⤵
PID:2576

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5}
1⤵
PID:1904

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1904-163-0x00000186CC890000-0x00000186CC8A0000-memory.dmp

Filesize
64KB

Download
memory/1904-144-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-170-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-169-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-172-0x00000186CC980000-0x00000186CC990000-memory.dmp

Filesize
64KB

Download
memory/1904-167-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-166-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-146-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-180-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-173-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-174-0x00000186CC980000-0x00000186CC990000-memory.dmp

Filesize
64KB

Download
memory/1904-165-0x00000186CC980000-0x00000186CC990000-memory.dmp

Filesize
64KB

Download
memory/1904-125-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-148-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-128-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-178-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-131-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-147-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-132-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-179-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-134-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-135-0x00000186CE0B0000-0x00000186CE0C0000-memory.dmp

Filesize
64KB

Download
memory/1904-136-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/1904-138-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-137-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-139-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-140-0x00000186CC890000-0x00000186CC8A0000-memory.dmp

Filesize
64KB

Download
memory/1904-141-0x00007FFF4E190000-0x00007FFF4E191000-memory.dmp

Filesize
4KB

Download
memory/1904-142-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-171-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-143-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-145-0x00000186CCAB0000-0x00000186CCAC0000-memory.dmp

Filesize
64KB

Download
memory/1904-164-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-127-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-175-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-149-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-151-0x00000186CCAB0000-0x00000186CCAC0000-memory.dmp

Filesize
64KB

Download
memory/1904-150-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-153-0x00000186CCAB0000-0x00000186CCAC0000-memory.dmp

Filesize
64KB

Download
memory/1904-152-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-154-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-155-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-156-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-158-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-159-0x00000186CCAB0000-0x00000186CCAC0000-memory.dmp

Filesize
64KB

Download
memory/1904-160-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-157-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-161-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-176-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/1904-177-0x00000186CCBB0000-0x00000186CCBC0000-memory.dmp

Filesize
64KB

Download
memory/2032-114-0x0000000000400000-0x000000000149A000-memory.dmp

Filesize
16.6MB

Download
memory/2032-119-0x00000000017A0000-0x00000000021A0000-memory.dmp

Filesize
10.0MB

Download
memory/2032-118-0x0000000000400000-0x0000000000404400-memory.dmp

Filesize
17KB

Download
memory/2032-116-0x0000000000401000-mapping.dmp

Download
memory/2368-126-0x00000000047F0000-0x00000000047F6000-memory.dmp

Filesize
24KB

Download
memory/2368-120-0x00000000010D0000-0x00000000010D6000-memory.dmp

Filesize
24KB

Download
memory/2368-117-0x0000000000000000-mapping.dmp

Download
memory/2504-121-0x00000000008E0000-0x00000000008E6000-memory.dmp

Filesize
24KB

Download
memory/2504-162-0x00007FFF4E1A0000-0x00007FFF4E1A1000-memory.dmp

Filesize
4KB

Download
memory/2504-130-0x0000000002310000-0x0000000002316000-memory.dmp

Filesize
24KB

Download
memory/2504-133-0x00007FFF4E190000-0x00007FFF4E191000-memory.dmp

Filesize
4KB

Download
memory/2576-122-0x00000000008F0000-0x00000000008F6000-memory.dmp

Filesize
24KB

Download
memory/2640-123-0x0000000000E60000-0x0000000000E66000-memory.dmp

Filesize
24KB

Download
memory/2840-129-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/2980-168-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/3540-124-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/3980-115-0x0000000002310000-0x0000000002314000-memory.dmp

Filesize
16KB

Download