b28433b134dfc7369d03c867c8bfdc1f133f922490d92ec2d60d3a6140a0a82b

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 20:22

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General

Target

formbook1.exe
Size

433KB
MD5

9672b2beca3027b6f008dfc291d21777
SHA1

9dfa2b2cc3d1f04fd715068e9eee238d6b1ca5a7
SHA256

ba10a45e13a79398a5802c91636684e54e53f26409feed99e7c89bbbe0c720d3
SHA512

6396c39d4b9da16e541bb29659737d9841c5841c808c58a7d88accb35715d673820d63679ea0e0ff7642cd952158e11029b5fd689b0588cff8987816df3ccb2e
SSDEEP

6144:6bE/HUrUAGxkcrTRkHqqZMWq1cD8YGMOsPEF75noWa4zbzDp/TkLNlkDfkDSDr0x:6bkxJkKqx4rB75HpALLkD0SMx

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

nbeggsncal.exe

pid process

3400 nbeggsncal.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2340 3400 WerFault.exe nbeggsncal.exe

pid	process
3400	nbeggsncal.exe

pid	pid_target	process	target process
2340	3400	WerFault.exe	nbeggsncal.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

formbook1.exenbeggsncal.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	formbook1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nbeggsncal.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

formbook1.exe

description	pid	process	target process
PID 1340 wrote to memory of 3400	1340	formbook1.exe	nbeggsncal.exe
PID 1340 wrote to memory of 3400	1340	formbook1.exe	nbeggsncal.exe
PID 1340 wrote to memory of 3400	1340	formbook1.exe	nbeggsncal.exe

C:\Users\Admin\AppData\Local\Temp\formbook1.exe
"C:\Users\Admin\AppData\Local\Temp\formbook1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Users\Admin\AppData\Local\Temp\nbeggsncal.exe
  "C:\Users\Admin\AppData\Local\Temp\nbeggsncal.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 496
    3⤵
    - Program crash
    PID:2340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3400 -ip 3400
1⤵
PID:2428

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\cimrcc.g

Filesize
185KB

MD5
874dc59d7571e9ffa32c16740763a222

SHA1
cf2e6e6c8e7e3a2f4e1a348a289983a730b676fc

SHA256
da67c1628cfe982e5aa0995fd4c4f92a434e2e8a577941d7d9d0d8d1373a9183

SHA512
d4a8d8c5107cd029fd638f49efabee51d4a4167de260b998497f715fc80f205c03458bbf433c326b46b0fd647ba383df557015428b62457207bb335ce75cb41e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nbeggsncal.exe

Filesize
131KB

MD5
669c2269eea6c11fd71038f0918193fb

SHA1
b2da793470b99bd215fbd9b3c7396ac402b068e9

SHA256
ba605ae9b548c05ffa985ddad9217cbdd99c1aecc83ce6e7cf36a162cb69938e

SHA512
0759ebe446901ab0974ff7cdac1b5517a7a739890a20858da93aaec94bd06bc4e6cb697b706864d78df044c41211990185b4bd9c00a24c616ce6004f371bc91c

Download Submit
C:\Users\Admin\AppData\Local\Temp\qzhglh.zo

Filesize
4KB

MD5
0bd04364eecd4445c14e6f6a52045245

SHA1
29cd354bba1a83d8e8342d2f7e13a90c87af59a4

SHA256
62cb82f57397ea5a5622f990d4729bc6838f5db0e17161080acf4fd46d0b751f

SHA512
efda83747836c79a852c0261c0843a3a55991c16fc16b6fd58e7cef3a3b0a4efe561c40b8701c9bb05b74792d273bbd75fd2818b7380a3aacb81a94729d7f6c7

Download Submit
memory/3400-8-0x0000000001010000-0x0000000001012000-memory.dmp

Filesize
8KB

Download