blackmoon | 3ac761271417ecf9e5e8e6152f3c9bbcaf8863286da6933f5fc4c7a2462a31e9

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
submitted
25/07/2022, 08:25

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
b7f74c02e8e4dc10eb8f11d0e107310e.exe
Size 1.2MB
Sample220725-kbamjsbeck
SHA256 3ac761271417ecf9e5e8e6152f3c9bbcaf8863286da6933f5fc4c7a2462a31e9
MD5 b7f74c02e8e4dc10eb8f11d0e107310e
SHA1 d7efa03c14830997e55c78365ee15bd8c1c01971
SHA512 d64d3224075ca55efe055dca5f9fcb658b4541db94db1908a05924827b1d6d290e5f0bab83477a13fc29292793e32e420d6183155076235f8ebc26363b2e5c44
MD5 SHA1 SHA512

Score

10^/10

blackmoon banker persistence 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 4 IoCs

resource	yara_rule
behavioral2/memory/2116-136-0x0000000000400000-0x0000000000611000-memory.dmp	family_blackmoon
behavioral2/files/0x000c000000022ec0-138.dat	family_blackmoon
behavioral2/files/0x000c000000022ec0-139.dat	family_blackmoon
behavioral2/memory/2116-142-0x0000000000400000-0x0000000000611000-memory.dmp	family_blackmoon

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SQL Server Reporting Services (MSSQLSERVSER)\Parameters\ServiceDll = "C:\\ProgramData\\Microsoft\\Windows\\GameExplorer\\Remote.hlp"	b7f74c02e8e4dc10eb8f11d0e107310e.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4108-130-0x0000000000400000-0x00000000005CA000-memory.dmp	upx
behavioral2/memory/2116-132-0x0000000000400000-0x0000000000611000-memory.dmp	upx
behavioral2/memory/4108-134-0x0000000000400000-0x00000000005CA000-memory.dmp	upx
behavioral2/memory/2116-135-0x0000000000400000-0x0000000000611000-memory.dmp	upx
behavioral2/memory/2116-136-0x0000000000400000-0x0000000000611000-memory.dmp	upx
behavioral2/memory/4396-141-0x0000000001BF0000-0x0000000001BFB000-memory.dmp	upx
behavioral2/memory/2116-142-0x0000000000400000-0x0000000000611000-memory.dmp	upx
behavioral2/memory/4396-145-0x0000000001BF0000-0x0000000001BFB000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
4396	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Delete00.bat	b7f74c02e8e4dc10eb8f11d0e107310e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4108 set thread context of 2116	4108	b7f74c02e8e4dc10eb8f11d0e107310e.exe	81

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4492	sc.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4368	PING.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
2116	b7f74c02e8e4dc10eb8f11d0e107310e.exe
2116	b7f74c02e8e4dc10eb8f11d0e107310e.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe
4396	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	b7f74c02e8e4dc10eb8f11d0e107310e.exe
Token: SeDebugPrivilege	4396	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 2116	4108	b7f74c02e8e4dc10eb8f11d0e107310e.exe	81
PID 4108 wrote to memory of 2116	4108	b7f74c02e8e4dc10eb8f11d0e107310e.exe	81
PID 4108 wrote to memory of 2116	4108	b7f74c02e8e4dc10eb8f11d0e107310e.exe	81
PID 4108 wrote to memory of 2116	4108	b7f74c02e8e4dc10eb8f11d0e107310e.exe	81
PID 4108 wrote to memory of 2116	4108	b7f74c02e8e4dc10eb8f11d0e107310e.exe	81
PID 2116 wrote to memory of 4492	2116	b7f74c02e8e4dc10eb8f11d0e107310e.exe	83
PID 2116 wrote to memory of 4492	2116	b7f74c02e8e4dc10eb8f11d0e107310e.exe	83
PID 2116 wrote to memory of 4492	2116	b7f74c02e8e4dc10eb8f11d0e107310e.exe	83
PID 2116 wrote to memory of 2184	2116	b7f74c02e8e4dc10eb8f11d0e107310e.exe	85
PID 2116 wrote to memory of 2184	2116	b7f74c02e8e4dc10eb8f11d0e107310e.exe	85
PID 2116 wrote to memory of 2184	2116	b7f74c02e8e4dc10eb8f11d0e107310e.exe	85
PID 2184 wrote to memory of 4368	2184	cmd.exe	87
PID 2184 wrote to memory of 4368	2184	cmd.exe	87
PID 2184 wrote to memory of 4368	2184	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\b7f74c02e8e4dc10eb8f11d0e107310e.exe
"C:\Users\Admin\AppData\Local\Temp\b7f74c02e8e4dc10eb8f11d0e107310e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4108
- C:\Users\Admin\AppData\Local\Temp\b7f74c02e8e4dc10eb8f11d0e107310e.exe
  2⤵
  - Sets DLL path for service in the registry
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2116
- - C:\Windows\SysWOW64\sc.exe
    sc failure SQL Server Reporting Services (MSSQLSERVSER) reset= 86400 actions= restart/1000
    3⤵
    - Launches sc.exe
    PID:4492
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\System32\\Delete00.bat
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2184
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1
      4⤵
      Runs ping.exe
      PID:4368

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4396

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

Remote.hlp

Path C:\ProgramData\Microsoft\Windows\GameExplorer\Remote.hlp
Size 936KB
SHA256 b53132d5c59e5e62e23a9cb65fa9c09aa8403f625d76877c4e8fd60a331be56a
MD5 2148ed98f723563683990f569d23bf43
SHA1 25cfad1a06933f65f7d110a81d7adbfa83c19005
SHA512 8ac4b829802e3238fcdf6629b09417dfb48b04d18880a230a387b3673c724a8281c795c83e7a088c12ef676b9fd054b70f90aebca34a1217fc7376aeb9f13dfa
SSDEEP 24576:7DCtrH5pkRinnoxs6+ODt7WG002MK9vuHy474SvPeLEu5MKVLn7KnT+bu8JKCwOc:n2rZpkEoxs6+OX2qNhOG5
MD5 SHA1 SHA512 SSDEEP

Submit Download

Delete00.bat

Path C:\Windows\SysWOW64\Delete00.bat
Size 133B
SHA256 e0d8793794aafd2f6619820c93f9f9a8f7c59c0187339d4c4330c9c67a8efbaf
MD5 fe72e026fa4c2520aa971558762d04c9
SHA1 8efaf78444b8d155d7174a5500f3980b4c53c0ff
SHA512 21384f6f4826b306ec1b760161faec85a643b660418438773bba9deb18a668ee4e6e6edeb75137a290df06e4c3619bc03dfc98fb0099ad00200340a34378c7cd
MD5 SHA1 SHA512

Submit Download

remote.hlp

Path \??\c:\programdata\microsoft\windows\gameexplorer\remote.hlp
Size 936KB
SHA256 b53132d5c59e5e62e23a9cb65fa9c09aa8403f625d76877c4e8fd60a331be56a
MD5 2148ed98f723563683990f569d23bf43
SHA1 25cfad1a06933f65f7d110a81d7adbfa83c19005
SHA512 8ac4b829802e3238fcdf6629b09417dfb48b04d18880a230a387b3673c724a8281c795c83e7a088c12ef676b9fd054b70f90aebca34a1217fc7376aeb9f13dfa
SSDEEP 24576:7DCtrH5pkRinnoxs6+ODt7WG002MK9vuHy474SvPeLEu5MKVLn7KnT+bu8JKCwOc:n2rZpkEoxs6+OX2qNhOG5
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2116-132-0x0000000000400000-0x0000000000611000-memory.dmp

Download

memory/2116-135-0x0000000000400000-0x0000000000611000-memory.dmp

Download

memory/2116-136-0x0000000000400000-0x0000000000611000-memory.dmp

Download

memory/2116-142-0x0000000000400000-0x0000000000611000-memory.dmp

Download

memory/4108-134-0x0000000000400000-0x00000000005CA000-memory.dmp

Download

memory/4108-130-0x0000000000400000-0x00000000005CA000-memory.dmp

Download

memory/4396-141-0x0000000001BF0000-0x0000000001BFB000-memory.dmp

Download

memory/4396-145-0x0000000001BF0000-0x0000000001BFB000-memory.dmp

Download