4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0

General

Target

4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.exe
Size

17.9MB
MD5

06ce3eeeb8d81fc881a9d7c4f968a646
SHA1

90a1b91944fcd34ac285455d5a8a72e0945148d7
SHA256

4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0
SHA512

a5f22b18be3393c56edcfd9337f49d13f729e4ea0014eef27f168f68af6646f8b7b6f57a7c9a8f6bf6f17d548eececd7dc11797371607530b8a00308f5f06629
SSDEEP

393216:1xjQteryUzqVfOy7nvgpmg+qnowaKAWc8eWOk2ka0+4tIVXev36nMrblT:1GjUzqVmyA+qowaec8e/YOVu0MrbB

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1784	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.tmp

Loads dropped DLL 4 IoCs

pid	Process
1832	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.exe
1784	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.tmp
1784	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.tmp
1784	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.tmp

Script User-Agent 1 IoCs

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

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

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1784	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.tmp
1784	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.tmp
1784	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.tmp
1784	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.tmp
1784	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.tmp
1784	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.tmp
1784	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 1784	1832	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.exe	28
PID 1832 wrote to memory of 1784	1832	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.exe	28
PID 1832 wrote to memory of 1784	1832	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.exe	28
PID 1832 wrote to memory of 1784	1832	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.exe	28
PID 1832 wrote to memory of 1784	1832	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.exe	28
PID 1832 wrote to memory of 1784	1832	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.exe	28
PID 1832 wrote to memory of 1784	1832	4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.exe	28

C:\Users\Admin\AppData\Local\Temp\4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.exe
"C:\Users\Admin\AppData\Local\Temp\4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Users\Admin\AppData\Local\Temp\is-TK1CR.tmp\4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-TK1CR.tmp\4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.tmp" /SL5="$60120,18291207,542208,C:\Users\Admin\AppData\Local\Temp\4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:1784

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-TK1CR.tmp\4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.tmp

Filesize
1.5MB

MD5
3f6c0329711dd3936f355a040d9123c0

SHA1
0b55e56ff942cd0a486fd3a159b12e62b6d01e67

SHA256
9222b19aec9a7e045dac86ecb16d311d35a55f09a7f1b94d6916c9e252912b56

SHA512
d3bcd184d7221980e0e43a61fc225d940f8766c89aebe22a7a17fca0a53b9029146c7b2c1a720b3120f628b4b49bd286ac303ffdaab91cfda31eb3e161009a15

Download Submit
\Users\Admin\AppData\Local\Temp\is-CVEUN.tmp\InstallerExtensions.dll

Filesize
111KB

MD5
fcc5db18e8bd28851f6ee595ca394d37

SHA1
2873dcef2ca49a879d35789da1dd4d044497a8a9

SHA256
0452d5454ef494d0c8c48bd424ab0d88170a38480df64a43a6f191cd04307274

SHA512
e2c36700d73d9e2f9b58b60eb827f85477db05a5401bdc7b3d468d38c63dd669debc5f4588b0829cb237005bbb18e71834a0592039e5440200db764018834bb4

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

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

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

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-TK1CR.tmp\4b3e87dc2d4d42384f39f9ced86b3ff29855feb1825c4ddbd5e7693ce562dde0.tmp

Filesize
1.5MB

MD5
3f6c0329711dd3936f355a040d9123c0

SHA1
0b55e56ff942cd0a486fd3a159b12e62b6d01e67

SHA256
9222b19aec9a7e045dac86ecb16d311d35a55f09a7f1b94d6916c9e252912b56

SHA512
d3bcd184d7221980e0e43a61fc225d940f8766c89aebe22a7a17fca0a53b9029146c7b2c1a720b3120f628b4b49bd286ac303ffdaab91cfda31eb3e161009a15

Download Submit
memory/1832-54-0x00000000751A1000-0x00000000751A3000-memory.dmp

Filesize
8KB

Download
memory/1832-55-0x0000000000400000-0x000000000048F000-memory.dmp

Filesize
572KB

Download
memory/1832-63-0x0000000000400000-0x000000000048F000-memory.dmp

Filesize
572KB

Download

Analysis

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