blackmoon | cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733

General

Target

cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe
Size

3.0MB
MD5

c819195bc0cc7131549993c41538a730
SHA1

4695f496ac10e5fa03e4a7e265bd6697c4493ff0
SHA256

cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733
SHA512

bc898f1715836d9195d5035552e91954f451a4a06513408dae85e6ff32166ba51c03f5b8706ae90874dcba187aa09d084d604349c06256e045ca902191fa7d84
SSDEEP

49152:dl+sHIraGZJIDPOo+QSIuUV4DMn5UON1:ysorMWo+QS/eL5U61

Score

10^/10

blackmoon banker 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/4068-2-0x0000000000400000-0x0000000000756000-memory.dmp	family_blackmoon
behavioral2/memory/4068-3-0x0000000000400000-0x0000000000756000-memory.dmp	family_blackmoon
behavioral2/memory/4068-4-0x0000000000400000-0x0000000000756000-memory.dmp	family_blackmoon
behavioral2/memory/4068-7-0x0000000000400000-0x0000000000756000-memory.dmp	family_blackmoon

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0002000000022612-9.dat	acprotect
behavioral2/files/0x0002000000022612-8.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4068	explorer.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0002000000022612-9.dat	upx
behavioral2/memory/4068-10-0x0000000074E40000-0x0000000074F4B000-memory.dmp	upx
behavioral2/files/0x0002000000022612-8.dat	upx
behavioral2/memory/4068-11-0x0000000074E40000-0x0000000074F4B000-memory.dmp	upx
behavioral2/memory/4068-14-0x0000000074E40000-0x0000000074F4B000-memory.dmp	upx
behavioral2/memory/4068-24-0x0000000074E40000-0x0000000074F4B000-memory.dmp	upx
behavioral2/memory/4068-25-0x0000000074E40000-0x0000000074F4B000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ExuiKrnln.dll	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe
File created	C:\Windows\SysWOW64\ExuiKrnln.dll	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4208 set thread context of 4068	4208	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe	86

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3360	4208	WerFault.exe	85
2572	4208	WerFault.exe	85

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Internet Explorer\TypedURLs	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Internet Explorer\TypedURLs	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4208	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe
4208	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe
4068	explorer.exe
4068	explorer.exe
4068	explorer.exe
4068	explorer.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4208	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe
4208	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe
4068	explorer.exe
4068	explorer.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4208 wrote to memory of 4068	4208	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe	86
PID 4208 wrote to memory of 4068	4208	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe	86
PID 4208 wrote to memory of 4068	4208	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe	86
PID 4208 wrote to memory of 4068	4208	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe	86
PID 4208 wrote to memory of 4068	4208	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe	86
PID 4208 wrote to memory of 4068	4208	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe	86
PID 4208 wrote to memory of 4068	4208	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe	86
PID 4208 wrote to memory of 4068	4208	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe	86
PID 4208 wrote to memory of 4068	4208	cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe	86
PID 4068 wrote to memory of 3424	4068	explorer.exe	90
PID 4068 wrote to memory of 3424	4068	explorer.exe	90
PID 4068 wrote to memory of 3424	4068	explorer.exe	90

C:\Users\Admin\AppData\Local\Temp\cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe
"C:\Users\Admin\AppData\Local\Temp\cb2290bb41e2edabf9238983e703e448cfac9549db64aabbee732c6e72ca0733.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4208
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4068
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:3424
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4208 -s 1992
  2⤵
  - Program crash
  PID:3360
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4208 -s 1976
  2⤵
  - Program crash
  PID:2572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4208 -ip 4208
1⤵
PID:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4208 -ip 4208
1⤵
PID:4388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\ExuiKrnln.dll

Filesize
328KB

MD5
6b0c10b774ee6dbcf0e4bd1557e7160b

SHA1
98e5502f0cb27e355062e8fa0b9aad80e5c0bbad

SHA256
335722b2684ffeac668ed8e9d7d582a395f9fc3d13f552f07c5d3ec7f025890f

SHA512
a44729fad75a090e4b3a0a4211ded10ef8ec499a7479efd2e3e6c448a3c625073b88e9e2c63c943f2fbcd9605aa9cc3cb1176a2ad61d91f22c4116948d66decf

Download Submit
C:\Windows\SysWOW64\ExuiKrnln.dll

Filesize
328KB

MD5
6b0c10b774ee6dbcf0e4bd1557e7160b

SHA1
98e5502f0cb27e355062e8fa0b9aad80e5c0bbad

SHA256
335722b2684ffeac668ed8e9d7d582a395f9fc3d13f552f07c5d3ec7f025890f

SHA512
a44729fad75a090e4b3a0a4211ded10ef8ec499a7479efd2e3e6c448a3c625073b88e9e2c63c943f2fbcd9605aa9cc3cb1176a2ad61d91f22c4116948d66decf

Download Submit
memory/4068-1-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/4068-2-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/4068-3-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/4068-4-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/4068-7-0x0000000000400000-0x0000000000756000-memory.dmp

Filesize
3.3MB

Download
memory/4068-10-0x0000000074E40000-0x0000000074F4B000-memory.dmp

Filesize
1.0MB

Download
memory/4068-11-0x0000000074E40000-0x0000000074F4B000-memory.dmp

Filesize
1.0MB

Download
memory/4068-14-0x0000000074E40000-0x0000000074F4B000-memory.dmp

Filesize
1.0MB

Download
memory/4068-24-0x0000000074E40000-0x0000000074F4B000-memory.dmp

Filesize
1.0MB

Download
memory/4068-25-0x0000000074E40000-0x0000000074F4B000-memory.dmp

Filesize
1.0MB

Download

Analysis

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