dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569

General

Target

dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exe
Size

2.0MB
MD5

19456ff2914eb5b9158348fe63434d60
SHA1

568553598105a1b25a9325a2a00b04deb308ad02
SHA256

dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569
SHA512

a0be8f38d1daa145c05aa2d3872b788d5d1a882f7ff76edce2d85dc832853328f3c5878f5a68df4eed44373111615ec2095577828d23b108c224f74bf723728c
SSDEEP

49152:sMMMMMMMMMMMMMMMMMMMMMMMM9MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMX:sMMMMMMMMMMMMMMMMMMMMMMMM9MMMMMX

Score

8^/10

evasion persistence trojan

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

hdrviaon.exe

pid process

1256 hdrviaon.exe

pid	process
1256	hdrviaon.exe

Loads dropped DLL 4 IoCs

Processes:

dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exe

pid	process
1476	dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exe
1476	dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exe
1476	dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exe
1476	dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

hdrviaon.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	hdrviaon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\C:\Users\Admin\A417ZL~1 = "C:\\Users\\Admin\\A417ZL~1\\zywdmymkef.vbs"	hdrviaon.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

hdrviaon.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA hdrviaon.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

hdrviaon.exe

description pid process target process

PID 1256 set thread context of 1800 1256 hdrviaon.exe RegSvcs.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 2 IoCs

Processes:

hdrviaon.exe

pid process

1256 hdrviaon.exe
1256 hdrviaon.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

hdrviaon.exe

description pid process

Token: SeDebugPrivilege 1256 hdrviaon.exe

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

description	pid	process	target process
PID 1256 set thread context of 1800	1256	hdrviaon.exe	RegSvcs.exe

pid	process
1256	hdrviaon.exe
1256	hdrviaon.exe

description	pid	process
Token: SeDebugPrivilege	1256	hdrviaon.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exehdrviaon.exe

description	pid	process	target process
PID 1476 wrote to memory of 1256	1476	dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exe	hdrviaon.exe
PID 1476 wrote to memory of 1256	1476	dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exe	hdrviaon.exe
PID 1476 wrote to memory of 1256	1476	dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exe	hdrviaon.exe
PID 1476 wrote to memory of 1256	1476	dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exe	hdrviaon.exe
PID 1476 wrote to memory of 1256	1476	dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exe	hdrviaon.exe
PID 1476 wrote to memory of 1256	1476	dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exe	hdrviaon.exe
PID 1476 wrote to memory of 1256	1476	dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exe	hdrviaon.exe
PID 1256 wrote to memory of 1800	1256	hdrviaon.exe	RegSvcs.exe
PID 1256 wrote to memory of 1800	1256	hdrviaon.exe	RegSvcs.exe
PID 1256 wrote to memory of 1800	1256	hdrviaon.exe	RegSvcs.exe
PID 1256 wrote to memory of 1800	1256	hdrviaon.exe	RegSvcs.exe
PID 1256 wrote to memory of 1800	1256	hdrviaon.exe	RegSvcs.exe
PID 1256 wrote to memory of 1800	1256	hdrviaon.exe	RegSvcs.exe
PID 1256 wrote to memory of 1800	1256	hdrviaon.exe	RegSvcs.exe
PID 1256 wrote to memory of 1800	1256	hdrviaon.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exe
"C:\Users\Admin\AppData\Local\Temp\dfcc3b5c46b49cf6bd153cabf2aeff6a9eb6d96e86be96fe79c0d6110b6d8569.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Users\Admin\a417zl1hog92\hdrviaon.exe
  "C:\Users\Admin\a417zl1hog92\hdrviaon.exe" rlswmcukwb
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1256
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
    3⤵
    PID:1800

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\A417ZL~1\CMCURK~1.PFD

Filesize
1.1MB

MD5
d54aaa35d0288f162333959fd276db22

SHA1
48bb4f545eef61256e7aabeaa5c1f71a3841b7c9

SHA256
3c7c00fd90e050ddc7dd4ae35f92446aee0156c32d1eff0366713b12d21c4dbf

SHA512
903029d0d0fc415e566d27b6439b426f4bfe398ce9dae28953b389a8b3333cd2a49701c1b060747bb78e3918966f72249d8c042b8f19915699007ab356f1ded1

Download Submit
C:\Users\Admin\A417ZL~1\tuocczzu.YOA

Filesize
61B

MD5
9c0ad013cb7be646fe759a99aa878ac6

SHA1
3902baa49dcb8e57ff72e2596e7e9c321520d037

SHA256
1a259a7b6596fbecf9416400193c128ddd5a064a17f4837e56080950d4342f4e

SHA512
b2d8e1a6151e6f8aaf0bb7031e2a841f949919f2817dda66de740757ceb2bfb643f1816bd2c67d1bc03df3562328afd5283ebd4c339fd2888e3210b57d92b776

Download Submit
C:\Users\Admin\a417zl1hog92\hdrviaon.exe

Filesize
732KB

MD5
71d8f6d5dc35517275bc38ebcc815f9f

SHA1
cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

SHA256
fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

SHA512
4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

Download Submit
C:\Users\Admin\a417zl1hog92\rlswmcukwb

Filesize
218.9MB

MD5
c76062f5c1a26d97041e052bf97dca80

SHA1
d6ba9264753022da401b946be87835075db0ef33

SHA256
7f589d02524695a6bd6707b295f98cdbd13fa15766cae240f9f1f9e97143507c

SHA512
702855ef303acf56b35382a26c62295a21c2b4f2ec9a664241fbad3edbb9c0f8cff31ebc9a047ead19b3916d83ce50dbb96b73d6ade8e4e2a65fc21481c70acf

Download Submit
\Users\Admin\a417zl1hog92\hdrviaon.exe

Filesize
732KB

MD5
71d8f6d5dc35517275bc38ebcc815f9f

SHA1
cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

SHA256
fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

SHA512
4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

Download Submit
\Users\Admin\a417zl1hog92\hdrviaon.exe

Filesize
732KB

MD5
71d8f6d5dc35517275bc38ebcc815f9f

SHA1
cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

SHA256
fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

SHA512
4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

Download Submit
\Users\Admin\a417zl1hog92\hdrviaon.exe

Filesize
732KB

MD5
71d8f6d5dc35517275bc38ebcc815f9f

SHA1
cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

SHA256
fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

SHA512
4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

Download Submit
\Users\Admin\a417zl1hog92\hdrviaon.exe

Filesize
732KB

MD5
71d8f6d5dc35517275bc38ebcc815f9f

SHA1
cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

SHA256
fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

SHA512
4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

Download Submit
memory/1256-59-0x0000000000000000-mapping.dmp

Download
memory/1476-54-0x0000000074C11000-0x0000000074C13000-memory.dmp

Filesize
8KB

Download
memory/1800-66-0x000000000051BAFE-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads