b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950

General

Target

b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe
Size

603KB
MD5

202a640b5da9a32d7050cf39eb0f7726
SHA1

d499984e6bd951514997ded82485e10844b329f6
SHA256

b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950
SHA512

20d46542201adab3da36a971f35cee594036ec3164bc990f9b7bba3b8a8d82c69e323a7b445b9a4045e4e3266e70e1b885d7c78e30ca34bdb111b2966ddb41c0

Score

10^/10

evasion trojan

Malware Config

Signatures

UAC bypass 3 TTPs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112
Executes dropped EXE 1 IoCs

Processes:

Dllhost.exe

pid process

4896 Dllhost.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

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:

b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe

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

System Information Discovery
T1082

Modifies registry class 7 IoCs

Processes:

b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exeDllhost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000_Classes\CID\{45007100-4A00-5000-6F00-380074006A00}	b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000_Classes\CID\{45007100-4A00-5000-6F00-380074006A00}\1 = "7NIBxAIaKgV7A5/uTKUir3xoe/XFBsDAQJa248vV0RLLB8sVb5AEshVikaCZVol+yyy/bOUn/XI/fCrCG7qcUTqeB73h0qbXvxeN7utKGUSInXEBOahizDQl908f+/pZoTJMpTDUUmQogjtP1YmHTR6JS0cxCU+i08wfUnPyVBb0E5abFxOEFobO4hkHpBAo"	b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000_Classes\CID\{78006D00-6900-3500-4D00-470059004100}\1 = "Evgbxea2DKZzh/U+YxcVXvD41ENZQmT9blZoTFtPfAWy0sKL5Z4kMHTNTHCX2BqU0AMDk3YiaY5ssofMyPVMth5V/qoO0Js+JXMl2JHIwHPRsKNtpIU5WFEL2ZaluzfQZSdMQZ76G9cC2aZvLWJpJTNGx6hB/B+I9bgHWTOec4Ejohx2MDXMB8impzk56Sh2J1fJYY2mc8Bf66bUdlIy2gx1USdyql4z9HSFBxcC/bj+WHRVvAAg2ENih6cXdkIgz3v0ly6UCXy9noyAYaQGXqBoakRzZFLqwRWHNH1Tic/l9M+ixJDQilpM13XMa+Jw3IgHg56T9CfHFqPLKa6puOhpOVp+6q/WnfBRhAou+huNglxMsG9YE982JnceR7ElGYWYt1Ln2mnyA2PblGpVunDrL0b3sYV9Elv+Nrstlxi6VwLvetGJjErSAXavEWvBI6rUU8PHLODkCWX5D84QKQ=="	Dllhost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000_Classes\CID\{45007100-4A00-5000-6F00-380074006A00}\1 = "YHvBfiDx9EmwIx5/keSJzNlKbPnPIibiUA1Wify0ZLcmys2MwE4E2a/rsLNzlUZhAbAK4yTiwjwdi6T+ZB7sidQlOaSC/ePQUQn1/CdJlxIzSJBs6MWjVB515FZ7jSwtINMug7LttQGOciCMqzDOXL4KiVkIn+X4SN3r6Cw1ThHcWppG2EVMjPS7iyVyOPQQ"	Dllhost.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000_Classes\CID\{78006D00-6900-3500-4D00-470059004100}	b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000_Classes\CID	b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000_Classes\CID\{78006D00-6900-3500-4D00-470059004100}\1 = "Evgbxea2DKZzh/U+YxcVXvD41ENZQmT9blZoTFtPfAWy0sKL5Z4kMHTNTHCX2BqU0AMDk3YiaY5ssofMyPVMth5V/qoO0Js+JXMl2JHIwHPRsKNtpIU5WFEL2ZaluzfQZSdMQZ76G9cC2aZvLWJpJTNGx6hB/B+I9bgHWTOec4Ejohx2MDXMB8impzk56Sh2J1fJYY2mc8Bf66bUdlIy2gx1USdyql4z9HSFBxcC/bj+WHRVvAAg2ENih6cXdkIgz3v0ly6UCXy9noyAYaQGXqBoakRzZFLqwRWHNH1Tic/l9M+ixJDQilpM13XMa+Jw3IgHg56T9CfHFqPLKa6puOhpOVp+6q/WnfBRhAou+huNglxMsG9YE982JnceR7ElGYWYt1Ln2mnyA2PblGpVunDrL0b3sYV9Elv+Nrstlxi6VwLvetGJjErSAXavEWvBI6rUU8PHLODkCWX5D84QKQ=="	b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

4616 reg.exe

pid	process
4616	reg.exe

NTFS ADS 12 IoCs

Processes:

b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exeDllhost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp:{78006D00-6900-3500-4D00-470059004100}	b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe
File created	C:\Users\Admin\Documents\My Music:{78006D00-6900-3500-4D00-470059004100}	b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe
File created	C:\Users\Admin\Documents\My Music:{45007100-4A00-5000-6F00-380074006A00}	Dllhost.exe
File created	C:\Users\Admin\Documents\My Music:{78006D00-6900-3500-4D00-470059004100}	Dllhost.exe
File opened for modification	C:\odt:{78006D00-6900-3500-4D00-470059004100}	Dllhost.exe
File created	C:\Users\Admin\AppData\Local\Temp\InstallDir:{45007100-4A00-5000-6F00-380074006A00}	Dllhost.exe
File created	C:\odt:{78006D00-6900-3500-4D00-470059004100}	b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe
File created	C:\Users\Admin\AppData\Local\Temp:{45007100-4A00-5000-6F00-380074006A00}	b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe
File created	C:\Users\Admin\Documents\My Music:{45007100-4A00-5000-6F00-380074006A00}	b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe
File created	C:\odt:{45007100-4A00-5000-6F00-380074006A00}	b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe
File created	C:\Users\Admin\AppData\Local\Temp\InstallDir:{78006D00-6900-3500-4D00-470059004100}	Dllhost.exe
File opened for modification	C:\odt:{45007100-4A00-5000-6F00-380074006A00}	Dllhost.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

Dllhost.exe

pid	process
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe
4896	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Dllhost.exe

description pid process

Token: SeDebugPrivilege 4896 Dllhost.exe

description	pid	process
Token: SeDebugPrivilege	4896	Dllhost.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exeDllhost.execmd.exe

description	pid	process	target process
PID 2212 wrote to memory of 4896	2212	b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe	Dllhost.exe
PID 2212 wrote to memory of 4896	2212	b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe	Dllhost.exe
PID 2212 wrote to memory of 4896	2212	b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe	Dllhost.exe
PID 4896 wrote to memory of 3080	4896	Dllhost.exe	netsh.exe
PID 4896 wrote to memory of 3080	4896	Dllhost.exe	netsh.exe
PID 4896 wrote to memory of 3080	4896	Dllhost.exe	netsh.exe
PID 4896 wrote to memory of 4840	4896	Dllhost.exe	cmd.exe
PID 4896 wrote to memory of 4840	4896	Dllhost.exe	cmd.exe
PID 4896 wrote to memory of 4840	4896	Dllhost.exe	cmd.exe
PID 4896 wrote to memory of 2696	4896	Dllhost.exe	netsh.exe
PID 4896 wrote to memory of 2696	4896	Dllhost.exe	netsh.exe
PID 4896 wrote to memory of 2696	4896	Dllhost.exe	netsh.exe
PID 4840 wrote to memory of 4616	4840	cmd.exe	reg.exe
PID 4840 wrote to memory of 4616	4840	cmd.exe	reg.exe
PID 4840 wrote to memory of 4616	4840	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe
"C:\Users\Admin\AppData\Local\Temp\b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2212

C:\Users\Admin\AppData\Local\Temp\InstallDir\Dllhost.exe
"C:\Users\Admin\AppData\Local\Temp\InstallDir\Dllhost.exe"
2⤵
- Executes dropped EXE
- Modifies registry class
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4896

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\InstallDir\Dllhost.exe" "Dllhost.exe" ENABLE
3⤵
PID:3080

C:\Windows\SysWOW64\cmd.exe
cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
3⤵
- Suspicious use of WriteProcessMemory
PID:4840

C:\Windows\SysWOW64\reg.exe
C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
4⤵
- Modifies registry key
PID:4616

C:\Windows\SysWOW64\netsh.exe
netsh.exe firewall set opmode disable
3⤵
PID:2696

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

1

T1089

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\Isolated Storage\{45007100-4A00-5000-6F00-380074006A00}
Filesize
384B

MD5
3d89818039ddcebca67f70506b37dc9c

SHA1
82ecc3edc666019a0be66c9add2b9ea8e8ddfd12

SHA256
516937956393d78cde752d6a2835b7098ea725595210394b1c1498eee2206d43

SHA512
3e26de541507523d47a75cbacedb965364598bdb6d3fd79fe6cff57a4a8371a593201323bdfd77e731e8352d8a2be643f83f00433f267ad7c96603ede086d615

Download Submit
C:\Users\Admin\AppData\Local\Temp\
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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C:\Users\Admin\AppData\Local\Temp\InstallDir\Dllhost.exe
Filesize
603KB

MD5
202a640b5da9a32d7050cf39eb0f7726

SHA1
d499984e6bd951514997ded82485e10844b329f6

SHA256
b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950

SHA512
20d46542201adab3da36a971f35cee594036ec3164bc990f9b7bba3b8a8d82c69e323a7b445b9a4045e4e3266e70e1b885d7c78e30ca34bdb111b2966ddb41c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallDir\Dllhost.exe
Filesize
603KB

MD5
202a640b5da9a32d7050cf39eb0f7726

SHA1
d499984e6bd951514997ded82485e10844b329f6

SHA256
b266716ff41ca7d2a05994174c5f75083081c9dfd5b6fb8abb7f2a7c0e373950

SHA512
20d46542201adab3da36a971f35cee594036ec3164bc990f9b7bba3b8a8d82c69e323a7b445b9a4045e4e3266e70e1b885d7c78e30ca34bdb111b2966ddb41c0

Download Submit
C:\odt:{78006D00-6900-3500-4D00-470059004100}
Filesize
472B

MD5
931d83969d8691ab9c5f5dc8b7ae05c7

SHA1
fa91ccfac4ab90c41213ec894a4499622c4927cd

SHA256
621d7cdd32efaa9c095f2532802431bd15b8de7851343bdd133f97c213d03fb0

SHA512
f67ed3004ec4a5a9d4291df2881612aab49113a6b31366d328b5ff28a9577716b3fb7c72628a2db153fb736603a1ca02e40b1488aeb02fd4eb26d2b53207c7c6

Download Submit
memory/2212-130-0x0000000074BC0000-0x0000000075171000-memory.dmp

Filesize
5.7MB

Download
memory/2696-140-0x0000000000000000-mapping.dmp

Download
memory/3080-138-0x0000000000000000-mapping.dmp

Download
memory/4616-141-0x0000000000000000-mapping.dmp

Download
memory/4840-139-0x0000000000000000-mapping.dmp

Download
memory/4896-131-0x0000000000000000-mapping.dmp

Download
memory/4896-136-0x0000000074BC0000-0x0000000075171000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads