f922a9f7f4d34ce4efe88ad1e7ddfc938d881c1a11139b8c6944894d45c21b74

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18-01-2024 16:27

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General

Target

657e059524346d98119bbb19b04ec94e.exe
Size

235KB
MD5

657e059524346d98119bbb19b04ec94e
SHA1

f57654adeff09da42ca9e0908504f1cb46d66fb0
SHA256

f922a9f7f4d34ce4efe88ad1e7ddfc938d881c1a11139b8c6944894d45c21b74
SHA512

a42c459649ebfa62c01d97126f7d37fa2c7705258edfb7e2bf46a9d09676da8e6cf4458ac6e2afe885b96d1bc5c08c7737e6803335e8009dee562260034f2f6c
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8FpSkgnYHfQP:o68i3odBiTl2+TCU/4k8KfQlES

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart"	657e059524346d98119bbb19b04ec94e.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon5.ico	657e059524346d98119bbb19b04ec94e.exe
File opened for modification	C:\Windows\winhash_up.exez	657e059524346d98119bbb19b04ec94e.exe
File created	C:\Windows\bugMAKER.bat	657e059524346d98119bbb19b04ec94e.exe
File created	C:\Windows\SHARE_TEMP\Icon13.ico	657e059524346d98119bbb19b04ec94e.exe
File created	C:\Windows\winhash_up.exe	657e059524346d98119bbb19b04ec94e.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	657e059524346d98119bbb19b04ec94e.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	657e059524346d98119bbb19b04ec94e.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	657e059524346d98119bbb19b04ec94e.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	657e059524346d98119bbb19b04ec94e.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	657e059524346d98119bbb19b04ec94e.exe
File created	C:\Windows\winhash_up.exez	657e059524346d98119bbb19b04ec94e.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	657e059524346d98119bbb19b04ec94e.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	657e059524346d98119bbb19b04ec94e.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2816	1972	657e059524346d98119bbb19b04ec94e.exe	28
PID 1972 wrote to memory of 2816	1972	657e059524346d98119bbb19b04ec94e.exe	28
PID 1972 wrote to memory of 2816	1972	657e059524346d98119bbb19b04ec94e.exe	28
PID 1972 wrote to memory of 2816	1972	657e059524346d98119bbb19b04ec94e.exe	28

C:\Users\Admin\AppData\Local\Temp\657e059524346d98119bbb19b04ec94e.exe
"C:\Users\Admin\AppData\Local\Temp\657e059524346d98119bbb19b04ec94e.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\bugMAKER.bat
  2⤵
  PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\bugMAKER.bat

Filesize
76B

MD5
4755a1f0aa384026390207effd816590

SHA1
9c3831eab16486f2e48c19fe456693e8387e4caa

SHA256
348e4dfcdbaed60525e9fc357ae55ab553e277909cf4128e555c4b10410777e0

SHA512
0e90cb5afb1b957440d7ac8aecf057697b9e4c2e19b154162f1c16150a4549dbfe6565ef3ea3670888ce587c2ca68c45725ade0eb50f785bd0839396acfd5f40

Download Submit
memory/1972-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2816-62-0x0000000002220000-0x0000000002221000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads