blackmoon | 4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf

General

Target

4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
Size

76KB
MD5

428222d6663806be3d23d7a8ee6fe8ee
SHA1

a76991906614dc0c327012a27502e0bd9fd56fc3
SHA256

4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf
SHA512

45d9ec0fdb7274107d15f01b263eff9550cd68da6af383455a5910e658781223014b2646df5894d17175f61fdfe8acac389b445f0f48609fbbe2a9be13863395
SSDEEP

1536:+DQUJYmsvQHy/qisuJKYW9m/Fg/Xeh32IdzZAfro9g0JHkWo2N6:BoYb4SZKYUYFk63hzZKUC1WoK

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 7 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4680-138-0x0000000002C90000-0x0000000002CF7000-memory.dmp	family_blackmoon
behavioral2/memory/4680-139-0x0000000002C90000-0x0000000002CF7000-memory.dmp	family_blackmoon
behavioral2/memory/4680-141-0x0000000002C90000-0x0000000002CF7000-memory.dmp	family_blackmoon
behavioral2/memory/4680-183-0x0000000000400000-0x0000000000443000-memory.dmp	family_blackmoon
behavioral2/memory/4680-184-0x0000000002C90000-0x0000000002CF7000-memory.dmp	family_blackmoon
behavioral2/memory/4680-185-0x0000000002C90000-0x0000000002CF7000-memory.dmp	family_blackmoon
behavioral2/memory/4680-190-0x0000000002C90000-0x0000000002CF7000-memory.dmp	family_blackmoon

Gh0st RAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4680-170-0x0000000010000000-0x0000000010017000-memory.dmp	family_gh0strat
behavioral2/memory/4680-169-0x0000000010001000-0x000000001000F000-memory.dmp	family_gh0strat
behavioral2/memory/4680-182-0x0000000010000000-0x0000000010003000-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

Loads dropped DLL 1 IoCs

Processes:

4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

pid process

4680 4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4680-133-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral2/memory/4680-183-0x0000000000400000-0x0000000000443000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows\CurrentVersion\Run	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qdate = "C:\\Users\\Public\\Documents\\Applicationrnjwl.exe"	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4524 4680 WerFault.exe 4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

pid	pid_target	process	target process
4524	4680	WerFault.exe	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

Modifies registry class 1 IoCs

Processes:

4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000_Classes\Local Settings	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

2816 NOTEPAD.EXE

pid	process
2816	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

pid	process
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

pid process

4680 4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

pid	process
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe

description	pid	process	target process
PID 4680 wrote to memory of 2816	4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe	NOTEPAD.EXE
PID 4680 wrote to memory of 2816	4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe	NOTEPAD.EXE
PID 4680 wrote to memory of 2816	4680	4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe	NOTEPAD.EXE

C:\Users\Admin\AppData\Local\Temp\4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe
"C:\Users\Admin\AppData\Local\Temp\4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4680

C:\Windows\SysWOW64\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.txt
2⤵
- Opens file in notepad (likely ransom note)
PID:2816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 2044
2⤵
- Program crash
PID:4524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4680 -ip 4680
1⤵
PID:1660

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

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\4f4b997c17d380132ce9437a371cabb2ddcb8d8a637cd470765a049eb26de6cf.txt
Filesize
120KB

MD5
3aea5b78bac5359a799c2714fecccd1a

SHA1
5d3203b328ecfc7a55c0ded1032d209e9f273367

SHA256
c05e763cab67cf9daf5be7a6a6cff2650223987a9693eaa119f69b2bbb6df6c3

SHA512
9513cc84a7ed3dd709d4affb03f6e286dcd43e82f33441c00a9d74d2b45449f2ee20baa8db46218d7a59d9e62fb7f95050ea305166e70f3e71dde39ccf07b6d3

Download Submit
C:\Users\Public\Documents\sjsw.log
Filesize
214B

MD5
cf261bbf594850aaa9efe9dac91690a9

SHA1
7a162125d7721e59a5b24c92c8edf80ae41d2969

SHA256
72cf6555e8c96b8b93222a8b15ed2d08b011bcfa8554ed8254cc3d08e545a90f

SHA512
78ce98b1f6a262b70b14713d3343249aedc6aa824fe691ac842a66dbe5827fe601c80476aaedb98b8a25f9f429aafd4940f6ca388b71e872c097aad2b9b5afe2

Download Submit
C:\Users\Public\Documents\yrrgt.dll
Filesize
2KB

MD5
7943effe67a4647e06def2348949020e

SHA1
eabd561f0639a975de259633f63896d82c3f878d

SHA256
3fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa

SHA512
c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003

Download Submit
memory/4680-167-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4680-170-0x0000000010000000-0x0000000010017000-memory.dmp

Filesize
92KB

Download
memory/4680-142-0x0000000000A70000-0x0000000000A73000-memory.dmp

Filesize
12KB

Download
memory/4680-139-0x0000000002C90000-0x0000000002CF7000-memory.dmp

Filesize
412KB

Download
memory/4680-138-0x0000000002C90000-0x0000000002CF7000-memory.dmp

Filesize
412KB

Download
memory/4680-165-0x0000000003920000-0x0000000003A0C000-memory.dmp

Filesize
944KB

Download
memory/4680-166-0x0000000003920000-0x0000000003A0C000-memory.dmp

Filesize
944KB

Download
memory/4680-133-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/4680-168-0x0000000003920000-0x0000000003A0C000-memory.dmp

Filesize
944KB

Download
memory/4680-141-0x0000000002C90000-0x0000000002CF7000-memory.dmp

Filesize
412KB

Download
memory/4680-169-0x0000000010001000-0x000000001000F000-memory.dmp

Filesize
56KB

Download
memory/4680-172-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/4680-182-0x0000000010000000-0x0000000010003000-memory.dmp

Filesize
12KB

Download
memory/4680-183-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/4680-184-0x0000000002C90000-0x0000000002CF7000-memory.dmp

Filesize
412KB

Download
memory/4680-185-0x0000000002C90000-0x0000000002CF7000-memory.dmp

Filesize
412KB

Download
memory/4680-186-0x0000000000440000-0x0000000000445000-memory.dmp

Filesize
20KB

Download
memory/4680-190-0x0000000002C90000-0x0000000002CF7000-memory.dmp

Filesize
412KB

Download
memory/4680-188-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads