dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c

General

Target

dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe
Size

224KB
MD5

259f02960769101408a7e745e7f4d2c5
SHA1

5ddd3e56219c7ce8b11ce4d55d11bb50e5223c2c
SHA256

dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c
SHA512

df18a584f456881cd11b4850742a85e7f49cbac2d865bd399b4f5283b7b8c5a95482359ec35bf7e2033ab3d5686134db6fd40b21dfe4acfc21c34eb337d8d4d8
SSDEEP

3072:Jk6kvZjWnE5aqaAF/OVLj4UbaxxmLQTi2//9U33T+NfSI:J1kBmAaAF4RFw5

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exebrhauv.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	brhauv.exe

Executes dropped EXE 1 IoCs

Processes:

brhauv.exe

pid process

1768 brhauv.exe

pid	process
1768	brhauv.exe

Loads dropped DLL 2 IoCs

Processes:

dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe

pid	process
960	dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe
960	dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

brhauv.exedd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /e"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /u"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /q"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /j"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /b"	brhauv.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\	dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /y"	dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /i"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /k"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /f"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /d"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /x"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /s"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /r"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /h"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /v"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /w"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /t"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /a"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /p"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /z"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /g"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /y"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /m"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /c"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /o"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /n"	brhauv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\brhauv = "C:\\Users\\Admin\\brhauv.exe /l"	brhauv.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exebrhauv.exe

pid	process
960	dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe
1768	brhauv.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exebrhauv.exe

pid process

960 dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe
1768 brhauv.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe

description	pid	process	target process
PID 960 wrote to memory of 1768	960	dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe	brhauv.exe
PID 960 wrote to memory of 1768	960	dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe	brhauv.exe
PID 960 wrote to memory of 1768	960	dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe	brhauv.exe
PID 960 wrote to memory of 1768	960	dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe	brhauv.exe

C:\Users\Admin\AppData\Local\Temp\dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe
"C:\Users\Admin\AppData\Local\Temp\dd9d82a966775fc10d3712332d42d6678e49dff0edf04345a16da759fabb4e5c.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:960

C:\Users\Admin\brhauv.exe
"C:\Users\Admin\brhauv.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\brhauv.exe
Filesize
224KB

MD5
49b7677d7c43056f4c0071ab4863ff6e

SHA1
3491f62d67631dda6244e99b34aad6d5028bc1d2

SHA256
15528057b8cfd352262f1866ea1d419f12d91d620ea83e1628dfb959eb07af22

SHA512
c9d849f8e18396f5241a7bc0fb246707ae7b3ada10507171262343f0db47f8de27ec9954eeb64334443fbf9fbae8a0fc0874698357ece945e64e157fc859381f

Download Submit
C:\Users\Admin\brhauv.exe
Filesize
224KB

MD5
49b7677d7c43056f4c0071ab4863ff6e

SHA1
3491f62d67631dda6244e99b34aad6d5028bc1d2

SHA256
15528057b8cfd352262f1866ea1d419f12d91d620ea83e1628dfb959eb07af22

SHA512
c9d849f8e18396f5241a7bc0fb246707ae7b3ada10507171262343f0db47f8de27ec9954eeb64334443fbf9fbae8a0fc0874698357ece945e64e157fc859381f

Download Submit
\Users\Admin\brhauv.exe
Filesize
224KB

MD5
49b7677d7c43056f4c0071ab4863ff6e

SHA1
3491f62d67631dda6244e99b34aad6d5028bc1d2

SHA256
15528057b8cfd352262f1866ea1d419f12d91d620ea83e1628dfb959eb07af22

SHA512
c9d849f8e18396f5241a7bc0fb246707ae7b3ada10507171262343f0db47f8de27ec9954eeb64334443fbf9fbae8a0fc0874698357ece945e64e157fc859381f

Download Submit
\Users\Admin\brhauv.exe
Filesize
224KB

MD5
49b7677d7c43056f4c0071ab4863ff6e

SHA1
3491f62d67631dda6244e99b34aad6d5028bc1d2

SHA256
15528057b8cfd352262f1866ea1d419f12d91d620ea83e1628dfb959eb07af22

SHA512
c9d849f8e18396f5241a7bc0fb246707ae7b3ada10507171262343f0db47f8de27ec9954eeb64334443fbf9fbae8a0fc0874698357ece945e64e157fc859381f

Download Submit
memory/960-56-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/1768-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads