75d167249768d3b15728389b25c65e97f6ad92610b26b7d65fe8e2db83c41e4d

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 09:08

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General

Target

IDWCH2.exe
Size

739KB
MD5

0d5cc91890c411599e994ab4d927350b
SHA1

b64c4752537fc05bd460918fe252ef64e72d2651
SHA256

b64cc3011b334fe3fdc47852da28f1d865a1f71dd819827a035b9b3adab1a163
SHA512

56418a6586f0cc7f985e944811744fdce2ddaea5e238d02b21435768a3738ba7cccc738190b677f0eb66916a24cdcd4b63701df8a35c7a44802ba053ccdf059b
SSDEEP

6144:d/QiQXC45m+ksmpk3U9j0IeP2soxvjFEOTb9WmZX/8shzdsY4CpHPhnq/FK:VQi34c6m6UR0IeP2p1hf39Wkv8xwJqdK

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1572	IDWCH2.tmp

Loads dropped DLL 4 IoCs

pid	Process
1996	IDWCH2.exe
1572	IDWCH2.tmp
1572	IDWCH2.tmp
1572	IDWCH2.tmp

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	IDWCH2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IDWCH2.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1572	1996	IDWCH2.exe	28
PID 1996 wrote to memory of 1572	1996	IDWCH2.exe	28
PID 1996 wrote to memory of 1572	1996	IDWCH2.exe	28
PID 1996 wrote to memory of 1572	1996	IDWCH2.exe	28
PID 1996 wrote to memory of 1572	1996	IDWCH2.exe	28
PID 1996 wrote to memory of 1572	1996	IDWCH2.exe	28
PID 1996 wrote to memory of 1572	1996	IDWCH2.exe	28

C:\Users\Admin\AppData\Local\Temp\IDWCH2.exe
"C:\Users\Admin\AppData\Local\Temp\IDWCH2.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\Temp\is-9T31A.tmp\IDWCH2.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-9T31A.tmp\IDWCH2.tmp" /SL5="$40016,506127,422400,C:\Users\Admin\AppData\Local\Temp\IDWCH2.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1572

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

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-9T31A.tmp\IDWCH2.tmp

Filesize
1.0MB

MD5
6020849fbca45bc0c69d4d4a0f4b62e7

SHA1
5be83881ec871c4b90b4bf6bb75ab8d50dbfefe9

SHA256
c6c796f0d37e1a80632a295122db834499017b8d07728e0b5dfa6325ed3cab98

SHA512
f4c359a9ebf362b943d10772efe9cfd0a0153c1ff866ffdf1223e16e544dfa2250f67e7a7682d2558761d36efe15c7de1a2c311bc67b162eb77394ef179924eb

Download Submit
\Users\Admin\AppData\Local\Temp\is-ERDQJ.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-ERDQJ.tmp\idp.dll

Filesize
216KB

MD5
8f995688085bced38ba7795f60a5e1d3

SHA1
5b1ad67a149c05c50d6e388527af5c8a0af4343a

SHA256
203d7b61eac96de865ab3b586160e72c78d93ab5532b13d50ef27174126fd006

SHA512
043d41947ab69fc9297dcb5ad238acc2c35250d1172869945ed1a56894c10f93855f0210cbca41ceee9efb55fd56a35a4ec03c77e252409edc64bfb5fb821c35

Download Submit
memory/1572-8-0x0000000000400000-0x0000000000516000-memory.dmp

Filesize
1.1MB

Download
memory/1572-22-0x0000000000400000-0x0000000000516000-memory.dmp

Filesize
1.1MB

Download
memory/1996-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1996-0-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1996-24-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download