e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577

Analysis

max time kernel
148s
max time network
90s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07/11/2022, 09:45

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General

Target

e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe
Size

611KB
MD5

0f65683112b29dddd7d8a77e81263659
SHA1

ab4a271627ec25de0588f2e15baeed58e2135e2a
SHA256

e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577
SHA512

450b65170d700d346296c6986481dc32e7a28a2b8de445d55d8c6bf4876f84d615ea61dc84c1348f7b74950ea5b476500f5efb841426ef022db4a61f92fab02b
SSDEEP

12288:95FWFWjCueWOPDbdvGm+hZRW+ibXG3mXAA4EG4yiCLT1:ZNeWqvf+vIbwmXJCl

Score

8^/10

discovery evasion persistence trojan upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Wpsly = "C:\\Windows\\SysWOW64\\dciman32R.exe"	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe

Executes dropped EXE 1 IoCs

pid	Process
2020	dciman32R.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1712-55-0x0000000001D30000-0x0000000001DE0000-memory.dmp	upx
behavioral1/memory/1712-59-0x0000000001D30000-0x0000000001DE0000-memory.dmp	upx
behavioral1/memory/1712-58-0x0000000001D30000-0x0000000001DE0000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe

Deletes itself 1 IoCs

pid	Process
1172	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1712	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dciman32R.exe	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe
File opened for modification	C:\Windows\SysWOW64\dciman32R.exe	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1712	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe
1712	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe
2020	dciman32R.exe
2020	dciman32R.exe
2020	dciman32R.exe
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2020	dciman32R.exe
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2020	dciman32R.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe
Token: SeDebugPrivilege	2020	dciman32R.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 2020	1712	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe	27
PID 1712 wrote to memory of 2020	1712	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe	27
PID 1712 wrote to memory of 2020	1712	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe	27
PID 1712 wrote to memory of 2020	1712	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe	27
PID 1712 wrote to memory of 1172	1712	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe	29
PID 1712 wrote to memory of 1172	1712	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe	29
PID 1712 wrote to memory of 1172	1712	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe	29
PID 1712 wrote to memory of 1172	1712	e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe	29

C:\Users\Admin\AppData\Local\Temp\e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe
"C:\Users\Admin\AppData\Local\Temp\e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe"
1⤵
- Adds policy Run key to start application
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\dciman32R.exe
  C:\Windows\SysWOW64\dciman32R.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2020
- C:\Windows\SysWOW64\cmd.exe
  /c C:\Users\Admin\AppData\Local\Temp\~unins8795.bat "C:\Users\Admin\AppData\Local\Temp\e85927ba1fbf0b02f1357a785a45cefc3c0951481ac21236b9c9eafc6f494577.exe"
  2⤵
  - Deletes itself
  PID:1172

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\~unins8795.bat

Filesize
49B

MD5
9e0a2f5ab30517809b95a1ff1dd98c53

SHA1
5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

SHA256
97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

SHA512
e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

Download Submit
C:\Windows\SysWOW64\dciman32R.exe

Filesize
170KB

MD5
1d96237e05f9915355cc3606cbb4efce

SHA1
b2a16e7864511595290b363676112b2da1644f93

SHA256
b45ddae776e1804b45c615abb3cbd809c7343b36ee735fa5200e4103e12f78b0

SHA512
caf24dfcf3c43119242ae609cdaecb47fbe672c84dfd5447ca19696474714dec9a2f9ccb51ecd9588a65849a2ba4cfdcfda89c0bc7ca420b65515439c1fac504

Download Submit
C:\Windows\SysWOW64\dciman32R.exe

Filesize
170KB

MD5
1d96237e05f9915355cc3606cbb4efce

SHA1
b2a16e7864511595290b363676112b2da1644f93

SHA256
b45ddae776e1804b45c615abb3cbd809c7343b36ee735fa5200e4103e12f78b0

SHA512
caf24dfcf3c43119242ae609cdaecb47fbe672c84dfd5447ca19696474714dec9a2f9ccb51ecd9588a65849a2ba4cfdcfda89c0bc7ca420b65515439c1fac504

Download Submit
\Windows\SysWOW64\dciman32R.exe

Filesize
170KB

MD5
1d96237e05f9915355cc3606cbb4efce

SHA1
b2a16e7864511595290b363676112b2da1644f93

SHA256
b45ddae776e1804b45c615abb3cbd809c7343b36ee735fa5200e4103e12f78b0

SHA512
caf24dfcf3c43119242ae609cdaecb47fbe672c84dfd5447ca19696474714dec9a2f9ccb51ecd9588a65849a2ba4cfdcfda89c0bc7ca420b65515439c1fac504

Download Submit
memory/1712-61-0x0000000001D9B000-0x0000000001DDF000-memory.dmp

Filesize
272KB

Download
memory/1712-62-0x0000000001D31000-0x0000000001D9B000-memory.dmp

Filesize
424KB

Download
memory/1712-59-0x0000000001D30000-0x0000000001DE0000-memory.dmp

Filesize
704KB

Download
memory/1712-60-0x00000000002A0000-0x00000000002E7000-memory.dmp

Filesize
284KB

Download
memory/1712-58-0x0000000001D30000-0x0000000001DE0000-memory.dmp

Filesize
704KB

Download
memory/1712-54-0x0000000075771000-0x0000000075773000-memory.dmp

Filesize
8KB

Download
memory/1712-55-0x0000000001D30000-0x0000000001DE0000-memory.dmp

Filesize
704KB

Download
memory/1712-72-0x0000000001D31000-0x0000000001D9B000-memory.dmp

Filesize
424KB

Download
memory/2020-70-0x0000000073EC0000-0x000000007446B000-memory.dmp

Filesize
5.7MB

Download
memory/2020-71-0x0000000073EC0000-0x000000007446B000-memory.dmp

Filesize
5.7MB

Download