blackmoon | 379710c4ff31e416071255e22dc12a42cd701c0bbe6e56b0118a6d9955b6b4dc

General

Target

tsetup.2.4.1.exe
Size

127.7MB
MD5

efe1989f03f440b7a16d5ce44839a406
SHA1

03c6b96031cf76750cf36adbdf4c0d9a13c95b0d
SHA256

379710c4ff31e416071255e22dc12a42cd701c0bbe6e56b0118a6d9955b6b4dc
SHA512

972bb5025c552dc0b9986eb90417e4e8045b165d6cbcbbf24661f4e5d34978292ae163addec8551d0aa23b13c1084587258acb44bbcf96ff83e8b3a283a7a932
SSDEEP

3145728:e1JGH/t1L28a3wsppUHB7lbVtI92tIE+kspK:Ff7fa/nUHvbc92tlZOK

Score

10^/10

blackmoon gh0strat banker persistence rat trojan upx

Malware Config

Signatures

Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Public\DocumentsTdxFKp35\StarBurn.dll	family_blackmoon
\Users\Public\DocumentsTdxFKp35\StarBurn.dll	family_blackmoon

Gh0st RAT payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/588-64-0x0000000000260000-0x000000000028D000-memory.dmp	family_gh0strat
behavioral1/memory/588-68-0x0000000000260000-0x000000000028D000-memory.dmp	family_gh0strat
behavioral1/memory/588-73-0x0000000008A50000-0x0000000008B95000-memory.dmp	family_gh0strat
behavioral1/memory/588-74-0x0000000008A50000-0x0000000008B95000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076
Executes dropped EXE 1 IoCs

Processes:

TdxFK.exe

pid process

588 TdxFK.exe
Loads dropped DLL 2 IoCs

Processes:

tsetup.2.4.1.exeTdxFK.exe

pid process

1364 tsetup.2.4.1.exe
588 TdxFK.exe

pid	process
1364	tsetup.2.4.1.exe
588	TdxFK.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/588-70-0x0000000008A50000-0x0000000008B95000-memory.dmp	upx
behavioral1/memory/588-73-0x0000000008A50000-0x0000000008B95000-memory.dmp	upx
behavioral1/memory/588-74-0x0000000008A50000-0x0000000008B95000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

tsetup.2.4.1.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\Run	tsetup.2.4.1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\Run\OneDriveSetup = "C:\\Users\\Public\\DocumentsTdxFKp35\\TdxFK.exe"	tsetup.2.4.1.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

TdxFK.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	TdxFK.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	TdxFK.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

TdxFK.exe

pid	process
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe
588	TdxFK.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

tsetup.2.4.1.exe

pid process

1364 tsetup.2.4.1.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

TdxFK.exe

pid process

588 TdxFK.exe

pid	process
1364	tsetup.2.4.1.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

tsetup.2.4.1.exe

description	pid	process	target process
PID 1364 wrote to memory of 588	1364	tsetup.2.4.1.exe	TdxFK.exe
PID 1364 wrote to memory of 588	1364	tsetup.2.4.1.exe	TdxFK.exe
PID 1364 wrote to memory of 588	1364	tsetup.2.4.1.exe	TdxFK.exe
PID 1364 wrote to memory of 588	1364	tsetup.2.4.1.exe	TdxFK.exe

C:\Users\Admin\AppData\Local\Temp\tsetup.2.4.1.exe
"C:\Users\Admin\AppData\Local\Temp\tsetup.2.4.1.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1364

C:\Users\Public\DocumentsTdxFKp35\TdxFK.exe
C:\Users\Public\DocumentsTdxFKp35\TdxFK.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:588

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Remote Desktop Protocol

1

T1076

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Public\DocumentsTdxFKp35\StarBurn.dll

Filesize
87.9MB

MD5
8c475f447c622613bb600b5d93726281

SHA1
e31cabc5ef628ee5c391133f683b3ee5ad8a9479

SHA256
dc452e4661385c03b761712e7f86b4af1c3e05c2e16658142ccba165142c72a9

SHA512
f4478c37fd4810c60dd07528d211a363338b033def5cb092026ac49492a0a237885448fed21314bb6717a3bc5527b94edd3df109e44b828b19b99f56ad2d2a1b

Download Submit
C:\Users\Public\DocumentsTdxFKp35\TdxFK.exe

Filesize
905KB

MD5
790c885de6cd9b130bbfb8332652b0fc

SHA1
5c9d3aaa43c7982e98d33c7d5c50e42fd84493df

SHA256
c39d7f48548c8ee0b8dc36f4d4a452658fa5f3308bcb2c7bf181dc4e09191e8b

SHA512
7cf09b39a2f9f07d3259d6f01f793bf89ec19c46aad0f8feb9541ddef21e1b4459b8a3042aa8aa1bf2fc31f00e64cd40485e5cb5e3474757bcded1a55e4b7304

Download Submit
C:\Users\Public\DocumentsTdxFKp35\TdxFK.exe

Filesize
905KB

MD5
790c885de6cd9b130bbfb8332652b0fc

SHA1
5c9d3aaa43c7982e98d33c7d5c50e42fd84493df

SHA256
c39d7f48548c8ee0b8dc36f4d4a452658fa5f3308bcb2c7bf181dc4e09191e8b

SHA512
7cf09b39a2f9f07d3259d6f01f793bf89ec19c46aad0f8feb9541ddef21e1b4459b8a3042aa8aa1bf2fc31f00e64cd40485e5cb5e3474757bcded1a55e4b7304

Download Submit
\Users\Public\DocumentsTdxFKp35\StarBurn.dll

Filesize
87.9MB

MD5
8c475f447c622613bb600b5d93726281

SHA1
e31cabc5ef628ee5c391133f683b3ee5ad8a9479

SHA256
dc452e4661385c03b761712e7f86b4af1c3e05c2e16658142ccba165142c72a9

SHA512
f4478c37fd4810c60dd07528d211a363338b033def5cb092026ac49492a0a237885448fed21314bb6717a3bc5527b94edd3df109e44b828b19b99f56ad2d2a1b

Download Submit
\Users\Public\DocumentsTdxFKp35\TdxFK.exe

Filesize
905KB

MD5
790c885de6cd9b130bbfb8332652b0fc

SHA1
5c9d3aaa43c7982e98d33c7d5c50e42fd84493df

SHA256
c39d7f48548c8ee0b8dc36f4d4a452658fa5f3308bcb2c7bf181dc4e09191e8b

SHA512
7cf09b39a2f9f07d3259d6f01f793bf89ec19c46aad0f8feb9541ddef21e1b4459b8a3042aa8aa1bf2fc31f00e64cd40485e5cb5e3474757bcded1a55e4b7304

Download Submit
memory/588-64-0x0000000000260000-0x000000000028D000-memory.dmp

Filesize
180KB

Download
memory/588-68-0x0000000000260000-0x000000000028D000-memory.dmp

Filesize
180KB

Download
memory/588-70-0x0000000008A50000-0x0000000008B95000-memory.dmp

Filesize
1.3MB

Download
memory/588-73-0x0000000008A50000-0x0000000008B95000-memory.dmp

Filesize
1.3MB

Download
memory/588-74-0x0000000008A50000-0x0000000008B95000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads