bf80cbe4f12d9b125de33afa5cc33047a4e00aa43c8118dc313f3459cba9a541

Analysis

max time kernel
152s
max time network
45s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
05/12/2022, 06:05

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General

Target

bf80cbe4f12d9b125de33afa5cc33047a4e00aa43c8118dc313f3459cba9a541.exe
Size

61KB
MD5

31d4376ab726f58d506c63e6ce77d286
SHA1

43f727f2ee8f93b0bd2ba798eccbfaa27f0f50f9
SHA256

bf80cbe4f12d9b125de33afa5cc33047a4e00aa43c8118dc313f3459cba9a541
SHA512

479b294de10ec323a760ccb3824a6c16daff794b620d403d83369e531156b5ebf8abc9b3e6e15be2ae3643a06fb0b50e10ef63be6b92e364cf492fd1fc8dc2aa
SSDEEP

1536:VpOh4jWOmu3ILwI75HrINHyHut4Fx6ROYgI+Zux+cIXgjnis:br/1E575Hsht4FxCTuuxSinR

Score

8^/10

persistence

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\isuesv.sys	bf80cbe4f12d9b125de33afa5cc33047a4e00aa43c8118dc313f3459cba9a541.exe

Sets DLL path for service in the registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\bjxcbq\Parameters\ServiceDll = "%SystemRoot%\\System32\\isuesv.dll"	bf80cbe4f12d9b125de33afa5cc33047a4e00aa43c8118dc313f3459cba9a541.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\services\bjxcbq\Parameters\ServiceDll = "%SystemRoot%\\System32\\isuesv.dll"	bf80cbe4f12d9b125de33afa5cc33047a4e00aa43c8118dc313f3459cba9a541.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\bjxcbq\Parameters\ServiceDll = "%SystemRoot%\\System32\\isuesv.dll"	bf80cbe4f12d9b125de33afa5cc33047a4e00aa43c8118dc313f3459cba9a541.exe

Deletes itself 1 IoCs

pid	Process
2028	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
1120	bf80cbe4f12d9b125de33afa5cc33047a4e00aa43c8118dc313f3459cba9a541.exe
2028	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\isuesv.dll	bf80cbe4f12d9b125de33afa5cc33047a4e00aa43c8118dc313f3459cba9a541.exe
File created	C:\Windows\SysWOW64\00050869.001	bf80cbe4f12d9b125de33afa5cc33047a4e00aa43c8118dc313f3459cba9a541.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
464	Process not Found

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2028	svchost.exe
2028	svchost.exe
2028	svchost.exe

C:\Users\Admin\AppData\Local\Temp\bf80cbe4f12d9b125de33afa5cc33047a4e00aa43c8118dc313f3459cba9a541.exe
"C:\Users\Admin\AppData\Local\Temp\bf80cbe4f12d9b125de33afa5cc33047a4e00aa43c8118dc313f3459cba9a541.exe"
1⤵
- Drops file in Drivers directory
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
PID:1120

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k bjxcbq
1⤵
- Deletes itself
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:2028

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\??\c:\windows\SysWOW64\isuesv.dll

Filesize
89KB

MD5
5bfd531cd5a2e4a74bd0ecdb71c914d3

SHA1
4a12cf54db1e50e66d1c28feef69aa211cf7b20e

SHA256
df18d52222b57657663e32b1cc549673da674102d2818e2e157a65cefd021bc3

SHA512
6c3609770e4e059f858db0a78988885604787fec90e3d2422bbc90bb3dbe28e880180df7d7d3d30a3ffb3a27a20225a6542f7df1c406387a4dcc8067c4397750

Download Submit
\Windows\SysWOW64\isuesv.dll

Filesize
89KB

MD5
5bfd531cd5a2e4a74bd0ecdb71c914d3

SHA1
4a12cf54db1e50e66d1c28feef69aa211cf7b20e

SHA256
df18d52222b57657663e32b1cc549673da674102d2818e2e157a65cefd021bc3

SHA512
6c3609770e4e059f858db0a78988885604787fec90e3d2422bbc90bb3dbe28e880180df7d7d3d30a3ffb3a27a20225a6542f7df1c406387a4dcc8067c4397750

Download Submit
\Windows\SysWOW64\isuesv.dll

Filesize
89KB

MD5
5bfd531cd5a2e4a74bd0ecdb71c914d3

SHA1
4a12cf54db1e50e66d1c28feef69aa211cf7b20e

SHA256
df18d52222b57657663e32b1cc549673da674102d2818e2e157a65cefd021bc3

SHA512
6c3609770e4e059f858db0a78988885604787fec90e3d2422bbc90bb3dbe28e880180df7d7d3d30a3ffb3a27a20225a6542f7df1c406387a4dcc8067c4397750

Download Submit
memory/1120-55-0x0000000075291000-0x0000000075293000-memory.dmp

Filesize
8KB

Download