bitrat | 416718d9930e9b17539d9581be3ac4fa607c685c0da970d0dd159cac607d22c8

General

Target

DOCUMENT.EXE
Size

773KB
MD5

d29189ac735f5a778334853c17de6a3f
SHA1

df709ca030fbf8e46d5c36cc58820aee1bda5096
SHA256

92f3596778824929bff1a64b43bc00c97f229de8d136dd6751a4972bba237bf3
SHA512

61ccdd1d6e87dc3c5c09f2e9c2f0cb6e0fa1e8386f73bee8c322e331cf5e994d063cc795e509947d9c6a26efdb125dcbdc8c557549b1cce6143b72239a6895ed

Score

10^/10

bitrat persistence suricata trojan upx

Malware Config

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat

BitRAT Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3316-118-0x0000000000400000-0x00000000007E4000-memory.dmp	family_bitrat
behavioral2/memory/3316-130-0x0000000000400000-0x00000000007E4000-memory.dmp	family_bitrat

suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/3316-118-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3316-130-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

DOCUMENT.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\Iwatrrhi = "C:\\Users\\Public\\Libraries\\Iwatrrhi\\ihrrtawI.url"	DOCUMENT.EXE

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

Processes:

mobsync.exe

pid process

3316 mobsync.exe
3316 mobsync.exe
3316 mobsync.exe
3316 mobsync.exe
3316 mobsync.exe
3316 mobsync.exe
Modifies registry key 1 TTPs 3 IoCs

Modify Registry
T1112

Processes:

reg.exereg.exereg.exe

pid process

1140 reg.exe
1756 reg.exe
1100 reg.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

mobsync.exe

description pid process

Token: SeShutdownPrivilege 3316 mobsync.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mobsync.exe

pid process

3316 mobsync.exe
3316 mobsync.exe

pid	process
3316	mobsync.exe
3316	mobsync.exe
3316	mobsync.exe
3316	mobsync.exe
3316	mobsync.exe
3316	mobsync.exe

pid	process
1140	reg.exe
1756	reg.exe
1100	reg.exe

description	pid	process
Token: SeShutdownPrivilege	3316	mobsync.exe

pid	process
3316	mobsync.exe
3316	mobsync.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

DOCUMENT.EXEcmd.execmd.execmd.exe

description	pid	process	target process
PID 3064 wrote to memory of 3316	3064	DOCUMENT.EXE	mobsync.exe
PID 3064 wrote to memory of 3316	3064	DOCUMENT.EXE	mobsync.exe
PID 3064 wrote to memory of 3316	3064	DOCUMENT.EXE	mobsync.exe
PID 3064 wrote to memory of 3316	3064	DOCUMENT.EXE	mobsync.exe
PID 3064 wrote to memory of 3316	3064	DOCUMENT.EXE	mobsync.exe
PID 3064 wrote to memory of 3316	3064	DOCUMENT.EXE	mobsync.exe
PID 3064 wrote to memory of 3316	3064	DOCUMENT.EXE	mobsync.exe
PID 3064 wrote to memory of 3316	3064	DOCUMENT.EXE	mobsync.exe
PID 3064 wrote to memory of 3316	3064	DOCUMENT.EXE	mobsync.exe
PID 3064 wrote to memory of 3316	3064	DOCUMENT.EXE	mobsync.exe
PID 3064 wrote to memory of 3316	3064	DOCUMENT.EXE	mobsync.exe
PID 3064 wrote to memory of 3316	3064	DOCUMENT.EXE	mobsync.exe
PID 3064 wrote to memory of 3316	3064	DOCUMENT.EXE	mobsync.exe
PID 3064 wrote to memory of 3316	3064	DOCUMENT.EXE	mobsync.exe
PID 3064 wrote to memory of 3316	3064	DOCUMENT.EXE	mobsync.exe
PID 3064 wrote to memory of 516	3064	DOCUMENT.EXE	cmd.exe
PID 3064 wrote to memory of 516	3064	DOCUMENT.EXE	cmd.exe
PID 3064 wrote to memory of 516	3064	DOCUMENT.EXE	cmd.exe
PID 516 wrote to memory of 1472	516	cmd.exe	cmd.exe
PID 516 wrote to memory of 1472	516	cmd.exe	cmd.exe
PID 516 wrote to memory of 1472	516	cmd.exe	cmd.exe
PID 1472 wrote to memory of 1756	1472	cmd.exe	reg.exe
PID 1472 wrote to memory of 1756	1472	cmd.exe	reg.exe
PID 1472 wrote to memory of 1756	1472	cmd.exe	reg.exe
PID 1472 wrote to memory of 1100	1472	cmd.exe	reg.exe
PID 1472 wrote to memory of 1100	1472	cmd.exe	reg.exe
PID 1472 wrote to memory of 1100	1472	cmd.exe	reg.exe
PID 1472 wrote to memory of 396	1472	cmd.exe	schtasks.exe
PID 1472 wrote to memory of 396	1472	cmd.exe	schtasks.exe
PID 1472 wrote to memory of 396	1472	cmd.exe	schtasks.exe
PID 3064 wrote to memory of 1120	3064	DOCUMENT.EXE	cmd.exe
PID 3064 wrote to memory of 1120	3064	DOCUMENT.EXE	cmd.exe
PID 3064 wrote to memory of 1120	3064	DOCUMENT.EXE	cmd.exe
PID 1120 wrote to memory of 1140	1120	cmd.exe	reg.exe
PID 1120 wrote to memory of 1140	1120	cmd.exe	reg.exe
PID 1120 wrote to memory of 1140	1120	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\DOCUMENT.EXE
"C:\Users\Admin\AppData\Local\Temp\DOCUMENT.EXE"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3064

C:\Windows\SysWOW64\mobsync.exe
C:\Windows\System32\mobsync.exe
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3316

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:516

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
3⤵
- Suspicious use of WriteProcessMemory
PID:1472

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
4⤵
- Modifies registry key
PID:1756

C:\Windows\SysWOW64\reg.exe
reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
4⤵
- Modifies registry key
PID:1100

C:\Windows\SysWOW64\schtasks.exe
schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
4⤵
PID:396

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:1120

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
3⤵
- Modifies registry key
PID:1140

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Public\Trast.bat
MD5
4068c9f69fcd8a171c67f81d4a952a54

SHA1
4d2536a8c28cdcc17465e20d6693fb9e8e713b36

SHA256
24222300c78180b50ed1f8361ba63cb27316ec994c1c9079708a51b4a1a9d810

SHA512
a64f9319acc51fffd0491c74dcd9c9084c2783b82f95727e4bfe387a8528c6dcf68f11418e88f1e133d115daf907549c86dd7ad866b2a7938add5225fbb2811d

Download Submit
C:\Users\Public\UKO.bat
MD5
eaf8d967454c3bbddbf2e05a421411f8

SHA1
6170880409b24de75c2dc3d56a506fbff7f6622c

SHA256
f35f2658455a2e40f151549a7d6465a836c33fa9109e67623916f889849eac56

SHA512
fe5be5c673e99f70c93019d01abb0a29dd2ecf25b2d895190ff551f020c28e7d8f99f65007f440f0f76c5bcac343b2a179a94d190c938ea3b9e1197890a412e9

Download Submit
C:\Users\Public\nest.bat
MD5
8ada51400b7915de2124baaf75e3414c

SHA1
1a7b9db12184ab7fd7fce1c383f9670a00adb081

SHA256
45aa3957c29865260a78f03eef18ae9aebdbf7bea751ecc88be4a799f2bb46c7

SHA512
9afc138157a4565294ca49942579cdb6f5d8084e56f9354738de62b585f4c0fa3e7f2cbc9541827f2084e3ff36c46eed29b46f5dd2444062ffcd05c599992e68

Download Submit
memory/396-129-0x0000000000000000-mapping.dmp

Download
memory/516-119-0x0000000000000000-mapping.dmp

Download
memory/1100-128-0x0000000000000000-mapping.dmp

Download
memory/1120-131-0x0000000000000000-mapping.dmp

Download
memory/1140-133-0x0000000000000000-mapping.dmp

Download
memory/1472-121-0x0000000000000000-mapping.dmp

Download
memory/1756-127-0x0000000000000000-mapping.dmp

Download
memory/3064-115-0x00000000004D0000-0x000000000057E000-memory.dmp

Filesize
696KB

Download
memory/3316-122-0x0000000003180000-0x0000000003181000-memory.dmp

Filesize
4KB

Download
memory/3316-123-0x00000000030C0000-0x00000000030C1000-memory.dmp

Filesize
4KB

Download
memory/3316-124-0x00000000030E0000-0x00000000030E1000-memory.dmp

Filesize
4KB

Download
memory/3316-125-0x0000000072970000-0x0000000072D57000-memory.dmp

Filesize
3.9MB

Download
memory/3316-118-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3316-130-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3316-117-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads