69366a4a73f7d9fd02ebbfdc35e504b8ec6203571d3f4b99f94a7a25e994d53d

Analysis

max time kernel
136s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 23:24

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General

Target

lab_samples/b3b3bb519dd34a933a0b9920fa905ecaa5ce32c34871a29b5823a5b0fd4d9fc7.exe
Size

659KB
MD5

b3dc48d13f7d541fa583bf964c0603bf
SHA1

1dbaa68adc0a592508f7ad715bfcdf79c17990d6
SHA256

b3b3bb519dd34a933a0b9920fa905ecaa5ce32c34871a29b5823a5b0fd4d9fc7
SHA512

193bda0656a9d1be54dc655d9af3224ddccb78fc26aa77618fba1e3c36005a0368a200960cc28facc280df667f51a26bbef62282bbf8837cc036a41bfb8525f4
SSDEEP

12288:JR2N+L3K6boxK6dSmiTwntcm3Kbjbgv8YXoNCMF6+yWiL4Wlsfppj4W:P8+L3UM6SIcsHj4N5F6+yW/W4XP

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe
4136	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
43	api.ipify.org

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2020	4136	WerFault.exe	102

System Location Discovery: System Language Discovery 1 TTPs 3 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	b3b3bb519dd34a933a0b9920fa905ecaa5ce32c34871a29b5823a5b0fd4d9fc7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 2448	5048	b3b3bb519dd34a933a0b9920fa905ecaa5ce32c34871a29b5823a5b0fd4d9fc7.exe	96
PID 5048 wrote to memory of 2448	5048	b3b3bb519dd34a933a0b9920fa905ecaa5ce32c34871a29b5823a5b0fd4d9fc7.exe	96
PID 5048 wrote to memory of 2448	5048	b3b3bb519dd34a933a0b9920fa905ecaa5ce32c34871a29b5823a5b0fd4d9fc7.exe	96
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97
PID 2448 wrote to memory of 1452	2448	a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe	97

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\lab_samples\b3b3bb519dd34a933a0b9920fa905ecaa5ce32c34871a29b5823a5b0fd4d9fc7.exe
"C:\Users\Admin\AppData\Local\Temp\lab_samples\b3b3bb519dd34a933a0b9920fa905ecaa5ce32c34871a29b5823a5b0fd4d9fc7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5048
- C:\Users\Admin\AppData\Roaming\winapp\a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe
  C:\Users\Admin\AppData\Roaming\winapp\a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2448
- - C:\Windows\SYSTEM32\svchost.exe
    svchost.exe -k netsvcs
    3⤵
    PID:1452

C:\Users\Admin\AppData\Roaming\winapp\a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe
C:\Users\Admin\AppData\Roaming\winapp\a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4136
- C:\Windows\system32\svchost.exe
  svchost.exe -k netsvcs
  2⤵
  PID:3572
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 560
  2⤵
  - Program crash
  PID:2020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4136 -ip 4136
1⤵
PID:4840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\winapp\a2a2aa408cc23a822a0a8810ea804dbaa4bd21b23760a18a4712a4a0ec3c8eb6.exe

Filesize
659KB

MD5
b3dc48d13f7d541fa583bf964c0603bf

SHA1
1dbaa68adc0a592508f7ad715bfcdf79c17990d6

SHA256
b3b3bb519dd34a933a0b9920fa905ecaa5ce32c34871a29b5823a5b0fd4d9fc7

SHA512
193bda0656a9d1be54dc655d9af3224ddccb78fc26aa77618fba1e3c36005a0368a200960cc28facc280df667f51a26bbef62282bbf8837cc036a41bfb8525f4

Download Submit
memory/1452-24-0x0000000140000000-0x0000000140023000-memory.dmp

Filesize
140KB

Download
memory/1452-23-0x0000011BB8F50000-0x0000011BB8F51000-memory.dmp

Filesize
4KB

Download
memory/1452-22-0x0000000140000000-0x0000000140023000-memory.dmp

Filesize
140KB

Download
memory/2448-19-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/2448-20-0x0000000002340000-0x000000000237C000-memory.dmp

Filesize
240KB

Download
memory/2448-32-0x00000000027E0000-0x0000000002AA9000-memory.dmp

Filesize
2.8MB

Download
memory/2448-11-0x0000000002120000-0x0000000002121000-memory.dmp

Filesize
4KB

Download
memory/2448-13-0x0000000002340000-0x000000000237C000-memory.dmp

Filesize
240KB

Download
memory/2448-12-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/2448-15-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/2448-21-0x00000000026D0000-0x00000000026D1000-memory.dmp

Filesize
4KB

Download
memory/2448-31-0x00000000026E0000-0x000000000279E000-memory.dmp

Filesize
760KB

Download
memory/3572-48-0x0000000140000000-0x0000000140023000-memory.dmp

Filesize
140KB

Download
memory/4136-34-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/4136-50-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/4136-51-0x00000000012C0000-0x000000000137E000-memory.dmp

Filesize
760KB

Download
memory/4136-52-0x0000000001380000-0x0000000001649000-memory.dmp

Filesize
2.8MB

Download
memory/5048-6-0x0000000002160000-0x000000000219C000-memory.dmp

Filesize
240KB

Download
memory/5048-3-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/5048-1-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/5048-2-0x0000000002160000-0x000000000219C000-memory.dmp

Filesize
240KB

Download
memory/5048-0-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/5048-5-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download