d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326

General

Target

d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326.exe
Size

92KB
MD5

f8e98baff004688741b31ab3f89cd81a
SHA1

6d84e1dc43187e4db0e5cad25e5da5839eb7df30
SHA256

d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326
SHA512

945a2d5033bde87437384cf4cffdb8f84e07f9f2c44c211cea85ee7a960f008720e250429c0bec2c14a4863f7329e9c79c8d6671f29dd3d56f23e76d858877ab
SSDEEP

1536:wFakDFIMorNiIWKSMwu+ManMroqAg5hOF5/kapELG0Sgn8Q:ETFIMorNBwzM4MUHgTa5/dpELX/n8

Score

8^/10

persistence 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	d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\WinUpdaterstd = "C:\\Windows\\WinUpdaterstd\\svchost.exe"	d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326.exe

Executes dropped EXE 1 IoCs

pid	Process
844	svchost.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1532-55-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral1/files/0x000a0000000122e9-56.dat	upx
behavioral1/files/0x000a0000000122e9-57.dat	upx
behavioral1/memory/1532-59-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral1/files/0x000a0000000122e9-60.dat	upx
behavioral1/memory/844-62-0x0000000000400000-0x0000000000426000-memory.dmp	upx
behavioral1/memory/844-63-0x0000000000400000-0x0000000000426000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1532	d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326.exe
1532	d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WinUpdaterstd\svchost.exe	d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326.exe
File created	C:\Windows\WinUpdaterstd\svchost.exe	d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 844	1532	d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326.exe	28
PID 1532 wrote to memory of 844	1532	d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326.exe	28
PID 1532 wrote to memory of 844	1532	d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326.exe	28
PID 1532 wrote to memory of 844	1532	d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326.exe	28

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326.exe

C:\Users\Admin\AppData\Local\Temp\d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326.exe
"C:\Users\Admin\AppData\Local\Temp\d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326.exe"
1⤵
- Adds policy Run key to start application
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1532
- C:\Windows\WinUpdaterstd\svchost.exe
  "C:\Windows\WinUpdaterstd\svchost.exe"
  2⤵
  - Executes dropped EXE
  PID:844

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\WinUpdaterstd\svchost.exe

Filesize
92KB

MD5
f8e98baff004688741b31ab3f89cd81a

SHA1
6d84e1dc43187e4db0e5cad25e5da5839eb7df30

SHA256
d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326

SHA512
945a2d5033bde87437384cf4cffdb8f84e07f9f2c44c211cea85ee7a960f008720e250429c0bec2c14a4863f7329e9c79c8d6671f29dd3d56f23e76d858877ab

Download Submit
\Windows\WinUpdaterstd\svchost.exe

Filesize
92KB

MD5
f8e98baff004688741b31ab3f89cd81a

SHA1
6d84e1dc43187e4db0e5cad25e5da5839eb7df30

SHA256
d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326

SHA512
945a2d5033bde87437384cf4cffdb8f84e07f9f2c44c211cea85ee7a960f008720e250429c0bec2c14a4863f7329e9c79c8d6671f29dd3d56f23e76d858877ab

Download Submit
\Windows\WinUpdaterstd\svchost.exe

Filesize
92KB

MD5
f8e98baff004688741b31ab3f89cd81a

SHA1
6d84e1dc43187e4db0e5cad25e5da5839eb7df30

SHA256
d02cd56eddbc3a2169f1d99f816cf059c36fecc552c57e88265b8c85bd126326

SHA512
945a2d5033bde87437384cf4cffdb8f84e07f9f2c44c211cea85ee7a960f008720e250429c0bec2c14a4863f7329e9c79c8d6671f29dd3d56f23e76d858877ab

Download Submit
memory/844-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/844-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1532-54-0x0000000075611000-0x0000000075613000-memory.dmp

Filesize
8KB

Download
memory/1532-55-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1532-59-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads