746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8

General

Target

746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.exe
Size

5.7MB
MD5

b69f9ee7ec5629069a7e1636881a34b5
SHA1

d95d04c1a242414700327eb2e04237ce18738dd4
SHA256

746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8
SHA512

8e5c818773054b500d56dcacb8d14156711ccc96ce0af0779a009182ea3096d015fe8ef9435b36c5967a349cc4b3ac5be0e55cff1bd4c0b734fc7d4d0956ff6c
SSDEEP

98304:/CoPwEjW9ebgmU2udXWQTAy0i84iTEm/i9W4MB8qiHcRmC9Qp1i:/CRaPiXWQc/n4S/i9W4MSqv/QPi

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1148	746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.tmp

Loads dropped DLL 5 IoCs

pid	Process
1456	746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.exe
1148	746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.tmp
1148	746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.tmp
1148	746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.tmp
1148	746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.tmp

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.tmp
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.tmp

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 1148	1456	746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.exe	27
PID 1456 wrote to memory of 1148	1456	746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.exe	27
PID 1456 wrote to memory of 1148	1456	746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.exe	27
PID 1456 wrote to memory of 1148	1456	746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.exe	27
PID 1456 wrote to memory of 1148	1456	746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.exe	27
PID 1456 wrote to memory of 1148	1456	746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.exe	27
PID 1456 wrote to memory of 1148	1456	746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.exe	27

C:\Users\Admin\AppData\Local\Temp\746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.exe
"C:\Users\Admin\AppData\Local\Temp\746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Users\Admin\AppData\Local\Temp\is-OCHSD.tmp\746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-OCHSD.tmp\746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.tmp" /SL5="$70124,5419327,115200,C:\Users\Admin\AppData\Local\Temp\746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  PID:1148

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-OCHSD.tmp\746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.tmp

Filesize
1.1MB

MD5
935e949ed2a53c393877a19ab5ca7047

SHA1
20f0033eff164ad2a1d077722ad2fb249f1239b0

SHA256
338df679b5a0d63c1412fae6192677a3df68ab2db1a8a777eecd386edae77db4

SHA512
5c7f4bd23b6facaddee3a6156d911d2fafbc2ae1bf66e88c90791d48658aad135a85b4e62bf91410971d13eb98d0aa8c7f3bd62ac569a9a29f344d98907bc65e

Download Submit
\Users\Admin\AppData\Local\Temp\is-DJT8M.tmp\OptProHelper.dll

Filesize
1.3MB

MD5
24863391e82f49a300e8c1797f2c0c38

SHA1
92a3c16e3ee1d496ba0df4f63738bbae1d0b27ed

SHA256
8a16b50601fa7c5fd1121371f456365f4d6ac39ba45714ead5db90e43c46d3ba

SHA512
1680e0dc232aff9d62930df4e63afbe0ad5a4f9f792891d75ed1de8de2ffb83f5785826455a992568cb0dbc605c2580ee763a18d7eca73a3044958c77b101d3c

Download Submit
\Users\Admin\AppData\Local\Temp\is-DJT8M.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-DJT8M.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-DJT8M.tmp\itdownload.dll

Filesize
200KB

MD5
d82a429efd885ca0f324dd92afb6b7b8

SHA1
86bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea

SHA256
b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3

SHA512
5bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df

Download Submit
\Users\Admin\AppData\Local\Temp\is-OCHSD.tmp\746ac48272bf294047bf9bc050c8c02bea083733717550959e50cafdc385c6d8.tmp

Filesize
1.1MB

MD5
935e949ed2a53c393877a19ab5ca7047

SHA1
20f0033eff164ad2a1d077722ad2fb249f1239b0

SHA256
338df679b5a0d63c1412fae6192677a3df68ab2db1a8a777eecd386edae77db4

SHA512
5c7f4bd23b6facaddee3a6156d911d2fafbc2ae1bf66e88c90791d48658aad135a85b4e62bf91410971d13eb98d0aa8c7f3bd62ac569a9a29f344d98907bc65e

Download Submit
memory/1148-65-0x0000000003650000-0x000000000368C000-memory.dmp

Filesize
240KB

Download
memory/1148-67-0x0000000003B80000-0x0000000003CD9000-memory.dmp

Filesize
1.3MB

Download
memory/1456-54-0x0000000074B51000-0x0000000074B53000-memory.dmp

Filesize
8KB

Download
memory/1456-55-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1456-63-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download

Analysis

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