a03435dff2d05423a277962a642b60f14924d589eeb2d2cb2519798e297d15eb

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 23:04

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General

Target

a03435dff2d05423a277962a642b60f14924d589eeb2d2cb2519798e297d15eb.exe
Size

31KB
MD5

8e4893a7ef1ddcd41c1d6b2be47b88a7
SHA1

bc05d918ca4113a2a597469f7b2344a7c4a00657
SHA256

a03435dff2d05423a277962a642b60f14924d589eeb2d2cb2519798e297d15eb
SHA512

b2aff25d707146144a8c066df1b234eb5aee6bc88903d501d549f1893415fe78dc6837b02b519f7b5aee4a9d54d58d28ced5a0b74a87c25660b7a3db81915920
SSDEEP

384:UMp3HU08dJlM1jpj0Z3g+4tdmuJc1PbJkOUcFnj+r9x5jHGuetJnQ7h/2S7g:UEHUblMVZ3kJOCaxletJnyh/2Wg

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2344	zfbttcb.exe

Loads dropped DLL 2 IoCs

pid	Process
1732	a03435dff2d05423a277962a642b60f14924d589eeb2d2cb2519798e297d15eb.exe
1732	a03435dff2d05423a277962a642b60f14924d589eeb2d2cb2519798e297d15eb.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a03435dff2d05423a277962a642b60f14924d589eeb2d2cb2519798e297d15eb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2344	1732	a03435dff2d05423a277962a642b60f14924d589eeb2d2cb2519798e297d15eb.exe	30
PID 1732 wrote to memory of 2344	1732	a03435dff2d05423a277962a642b60f14924d589eeb2d2cb2519798e297d15eb.exe	30
PID 1732 wrote to memory of 2344	1732	a03435dff2d05423a277962a642b60f14924d589eeb2d2cb2519798e297d15eb.exe	30
PID 1732 wrote to memory of 2344	1732	a03435dff2d05423a277962a642b60f14924d589eeb2d2cb2519798e297d15eb.exe	30

C:\Users\Admin\AppData\Local\Temp\a03435dff2d05423a277962a642b60f14924d589eeb2d2cb2519798e297d15eb.exe
"C:\Users\Admin\AppData\Local\Temp\a03435dff2d05423a277962a642b60f14924d589eeb2d2cb2519798e297d15eb.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\zfbttcb.exe
  "C:\Users\Admin\AppData\Local\Temp\zfbttcb.exe"
  2⤵
  - Executes dropped EXE
  PID:2344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\zfbttcb.exe

Filesize
31KB

MD5
b36a7c782b7b30cd9e9ccdf626292b50

SHA1
916cc11d48edab0f54cf8a7e666e35bc3c6a66cd

SHA256
6ac0bd3e7c01d111312c68f22e20f24105ae4659b0d22392f6a41db16864124c

SHA512
e33a6be5a198f096477727cf72e32d7c694a835456c17708bd98e852777198c19358068b467041c6ccd4638fdac1fade20bb750d6ad18c71c7bc7995a6504295

Download Submit
memory/1732-1-0x0000000000240000-0x0000000000245000-memory.dmp

Filesize
20KB

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