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08-11-2024 08:59

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Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 08:59

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General

Target

Archive.zip__ccacaxs2tbz2t6ob3e.exe
Size

430KB
MD5

a3cab1a43ff58b41f61f8ea32319386b
SHA1

94689e1a9e1503f1082b23e6d5984d4587f3b9ec
SHA256

005d3b2b78fa134092a43e53112e5c8518f14cf66e57e6a3cc723219120baba6
SHA512

8f084a866c608833c3bf95b528927d9c05e8d4afcd8a52c3434d45c8ba8220c25d2f09e00aade708bbbc83b4edea60baf826750c529e8e9e05b1242c56d0198d
SSDEEP

6144:vU9Q9tD5WuDQa4t3BMgLkzvCOnYxcEaSAOPou8BWinO8DR:8Q9tD5WyQlBBVAnYxRhr8DR

Score

8^/10

discovery

Malware Config

Signatures

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

D61C.tmp.exe

pid process

4548 D61C.tmp.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

7 iplogger.org
9 iplogger.org
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

16 ip-api.com

pid	process
4548	D61C.tmp.exe

flow	ioc
7	iplogger.org
9	iplogger.org

flow	ioc
16	ip-api.com

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:

Archive.zip__ccacaxs2tbz2t6ob3e.exeD61C.tmp.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Archive.zip__ccacaxs2tbz2t6ob3e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	D61C.tmp.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Archive.zip__ccacaxs2tbz2t6ob3e.exe

description	pid	process	target process
PID 2476 wrote to memory of 4548	2476	Archive.zip__ccacaxs2tbz2t6ob3e.exe	D61C.tmp.exe
PID 2476 wrote to memory of 4548	2476	Archive.zip__ccacaxs2tbz2t6ob3e.exe	D61C.tmp.exe
PID 2476 wrote to memory of 4548	2476	Archive.zip__ccacaxs2tbz2t6ob3e.exe	D61C.tmp.exe

C:\Users\Admin\AppData\Local\Temp\Archive.zip__ccacaxs2tbz2t6ob3e.exe
"C:\Users\Admin\AppData\Local\Temp\Archive.zip__ccacaxs2tbz2t6ob3e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Users\Admin\AppData\Local\Temp\D61C.tmp.exe
  C:\Users\Admin\AppData\Local\Temp\D61C.tmp.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\D61C.tmp.exe

Filesize
149KB

MD5
060404f288040959694844afbd102966

SHA1
e0525e9ef6713fd7f269a669335ce3ddaab4b6a1

SHA256
40517e822f3442a2f389a50e905f40a6a2c4930077c865e3ea7b1929405f760a

SHA512
ddf8c53e1e1888084fa5422f297cc3ba9d97f7576c36f6b633ce67ca789127f7e259e9fb374fcbced66f883dadde0717d81ecce9776770bf07d8cf3b94b1a43f

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