b7974a716ea1e2d979d904b3d0a0fd91c7cbcabb3c3eac52a8542c523a91e076

Analysis

max time kernel
145s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 02:44

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General

Target

00b69dbecc92380c94c702ccdf6615f0.exe
Size

79KB
MD5

00b69dbecc92380c94c702ccdf6615f0
SHA1

5dae9fc593745cdebf1a632918942f9844b32072
SHA256

b7974a716ea1e2d979d904b3d0a0fd91c7cbcabb3c3eac52a8542c523a91e076
SHA512

33ad80fd96289a1254bcf1d0d8fc2c931f4ce072039af5ee5498a63b15fe94cc56a3752a50e03cd3784317f906c4ee6c0f2c77f60389f1c9638b880c0ff4e4f4
SSDEEP

1536:zYt90Z3i3M3IgEzak71cwD+s28XvA02+9HAE98c+IMhtLEA:e0Zy3M3IgkaYcw/HvpKK8c+7hF

Score

7^/10

persistence

Malware Config

Signatures

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	00b69dbecc92380c94c702ccdf6615f0.exe

Executes dropped EXE 1 IoCs

pid	Process
4952	winIogon.exe

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\Windows DLL Loader = "C:\\Windows\\system32\\winIogon.exe"	winIogon.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winIogon.exe	00b69dbecc92380c94c702ccdf6615f0.exe
File opened for modification	C:\Windows\SysWOW64\winIogon.exe	00b69dbecc92380c94c702ccdf6615f0.exe
File created	C:\Windows\SysWOW64\explorer.exe	winIogon.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 1748	1616	00b69dbecc92380c94c702ccdf6615f0.exe	91
PID 1616 wrote to memory of 1748	1616	00b69dbecc92380c94c702ccdf6615f0.exe	91
PID 1616 wrote to memory of 1748	1616	00b69dbecc92380c94c702ccdf6615f0.exe	91
PID 1616 wrote to memory of 4952	1616	00b69dbecc92380c94c702ccdf6615f0.exe	92
PID 1616 wrote to memory of 4952	1616	00b69dbecc92380c94c702ccdf6615f0.exe	92
PID 1616 wrote to memory of 4952	1616	00b69dbecc92380c94c702ccdf6615f0.exe	92

C:\Users\Admin\AppData\Local\Temp\00b69dbecc92380c94c702ccdf6615f0.exe
"C:\Users\Admin\AppData\Local\Temp\00b69dbecc92380c94c702ccdf6615f0.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\acfxaccj.bat" "
  2⤵
  PID:1748
- C:\Windows\SysWOW64\winIogon.exe
  C:\Windows\system32\winIogon.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  PID:4952

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

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\acfxaccj.bat

Filesize
202B

MD5
c844bbcd9d2c677382519f393b4ebcd7

SHA1
81aacee6477b737a8f384c9e66e7329fa5cd6edc

SHA256
d11bf7f57e21ef1a0f14c61ea2a06699d30bbccd6bedd607ea3087012f227a06

SHA512
3b38b7b300b52f5f21c2ebdf3268e6804f89c1747a45047dd29462e0840ea6e56fce7c9ed6b2053a288a7caf09e902bd34faec64093c10a670087d1799167a2c

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

Filesize
79KB

MD5
00b69dbecc92380c94c702ccdf6615f0

SHA1
5dae9fc593745cdebf1a632918942f9844b32072

SHA256
b7974a716ea1e2d979d904b3d0a0fd91c7cbcabb3c3eac52a8542c523a91e076

SHA512
33ad80fd96289a1254bcf1d0d8fc2c931f4ce072039af5ee5498a63b15fe94cc56a3752a50e03cd3784317f906c4ee6c0f2c77f60389f1c9638b880c0ff4e4f4

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

Filesize
64KB

MD5
09f2da10ec049f61b87c7dc1da9f441b

SHA1
68b6b1f230cb0e8a29cec72a268ee2b32b200b1d

SHA256
b68881e13e0cba3f2c5aa7946eecfbc56c304bd8da7143aaf9ffcd01eb179c6e

SHA512
85897195b0da10ae845db274873471711dcbb051086bdd8160b91bc257dced7b6bb7cdf1afc14fe2768f4924e0ef873bfb61d85b865191b720ba5d95c4dce6d8

Download Submit
memory/1616-0-0x0000000000400000-0x0000000000932000-memory.dmp

Filesize
5.2MB

Download
memory/1616-1-0x0000000000AA0000-0x0000000000AA2000-memory.dmp

Filesize
8KB

Download
memory/1616-12-0x0000000000400000-0x0000000000932000-memory.dmp

Filesize
5.2MB

Download
memory/4952-13-0x0000000000400000-0x0000000000932000-memory.dmp

Filesize
5.2MB

Download
memory/4952-14-0x0000000002400000-0x0000000002402000-memory.dmp

Filesize
8KB

Download
memory/4952-16-0x0000000000400000-0x0000000000932000-memory.dmp

Filesize
5.2MB

Download
memory/4952-22-0x0000000000400000-0x0000000000932000-memory.dmp

Filesize
5.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads