e213e2a35068d055439b3fc4bc4f1d597eb4eedb5aaf27898245a6de3f077583

Analysis

max time kernel
140s
max time network
18s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
25-07-2024 16:28

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General

Target

fanyi2008.exe
Size

889KB
MD5

bec9537c97dc61f9887fc517ec3e582e
SHA1

9f7ddeeb19280e91d794200a9934494cf92c2116
SHA256

db4c89edc918d37d18c90672de4e31a16e5cfea6908ce96cc0a2ac04986702a5
SHA512

1701f7b1413f0f25cc15a15b9ee53804fb0dc4a3bcf9a7170553355a76dad7c02d6eaea9ac70fb3182380534941ca465811af0d61cae909932468c237a827ae4
SSDEEP

24576:UpniuX9vn8sIoYDasiKBwOssbfsa3kY2+mO8x:Ki6nSYr8s0f13O+mOa

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1796	is-CMSV9.tmp

Loads dropped DLL 3 IoCs

pid	Process
3052	fanyi2008.exe
1796	is-CMSV9.tmp
1796	is-CMSV9.tmp

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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	is-CMSV9.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fanyi2008.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1796	is-CMSV9.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 1796	3052	fanyi2008.exe	30
PID 3052 wrote to memory of 1796	3052	fanyi2008.exe	30
PID 3052 wrote to memory of 1796	3052	fanyi2008.exe	30
PID 3052 wrote to memory of 1796	3052	fanyi2008.exe	30
PID 3052 wrote to memory of 1796	3052	fanyi2008.exe	30
PID 3052 wrote to memory of 1796	3052	fanyi2008.exe	30
PID 3052 wrote to memory of 1796	3052	fanyi2008.exe	30

C:\Users\Admin\AppData\Local\Temp\fanyi2008.exe
"C:\Users\Admin\AppData\Local\Temp\fanyi2008.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Temp\is-GPQVQ.tmp\is-CMSV9.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-GPQVQ.tmp\is-CMSV9.tmp" /SL4 $301C6 "C:\Users\Admin\AppData\Local\Temp\fanyi2008.exe" 679491 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1796

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

\Users\Admin\AppData\Local\Temp\is-CEEUO.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-GPQVQ.tmp\is-CMSV9.tmp

Filesize
634KB

MD5
d291acbf9866b8846fe0629e690feb1a

SHA1
293314b11340d798d3c74e2416e2a43f267a25d6

SHA256
ab3e1fa210171e5ed2decc615c9328379ee3d29b55ee0e5d7ef6bece43f583eb

SHA512
320e68a67fdcf13dc25640cf68468abd9e0dc51b647f95277eebbd06c7c5ee298b1f68d4a01deb886979e42cbc3eddf16ac4db18884a96b1535598ba11ba36ed

Download Submit
memory/1796-16-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/3052-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3052-2-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/3052-15-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download