b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc

General

Target

b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.exe
Size

3.3MB
MD5

66beeee4940f585c6dc0abfe50cdbb4f
SHA1

39afc72cbb0e0a4873f5a19d6986aba784e310b7
SHA256

b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc
SHA512

eec376a13af5b1ca6172a61a03e3ae652578cb2ffca07740d8a9688cdafcbeda5aaa4b5c5886ee6c5bf500ca2374184acf6ef3863f2f38f96dc95ab37ec2200f
SSDEEP

98304:uNmYggSwUB9ArtfLJGu2LgeOA9qFnxUgzhAR:WmYggSwUB9GtfUu2LxqFn6gzhAR

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1256	b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.tmp

Loads dropped DLL 3 IoCs

pid	Process
1356	b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.exe
1256	b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.tmp
1256	b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 1256	1356	b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.exe	28
PID 1356 wrote to memory of 1256	1356	b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.exe	28
PID 1356 wrote to memory of 1256	1356	b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.exe	28
PID 1356 wrote to memory of 1256	1356	b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.exe	28
PID 1356 wrote to memory of 1256	1356	b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.exe	28
PID 1356 wrote to memory of 1256	1356	b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.exe	28
PID 1356 wrote to memory of 1256	1356	b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.exe	28

C:\Users\Admin\AppData\Local\Temp\b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.exe
"C:\Users\Admin\AppData\Local\Temp\b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1356
- C:\Users\Admin\AppData\Local\Temp\is-56P26.tmp\b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-56P26.tmp\b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.tmp" /SL5="$60126,3171599,53248,C:\Users\Admin\AppData\Local\Temp\b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1256

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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-56P26.tmp\b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.tmp

Filesize
681KB

MD5
8e3e4508030c1ffdb0196309114eb841

SHA1
33656ec0c5b5ab8ce4ac566be0a95a96ec4ac40c

SHA256
6d9b3b086a0cd15c9fd32cf639c61e52d4d928d0112a7bb75e95f010e995dd2b

SHA512
6f16872abeb2de9ce3d881cf4b13778af03a305b068e99a8e59735bd4c13b5ad6f24a7aa44c2327cbfbb8351324ab85bb2157d719249fa29eb6f46061badffa4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-56P26.tmp\b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.tmp

Filesize
681KB

MD5
8e3e4508030c1ffdb0196309114eb841

SHA1
33656ec0c5b5ab8ce4ac566be0a95a96ec4ac40c

SHA256
6d9b3b086a0cd15c9fd32cf639c61e52d4d928d0112a7bb75e95f010e995dd2b

SHA512
6f16872abeb2de9ce3d881cf4b13778af03a305b068e99a8e59735bd4c13b5ad6f24a7aa44c2327cbfbb8351324ab85bb2157d719249fa29eb6f46061badffa4

Download Submit
\Users\Admin\AppData\Local\Temp\is-56P26.tmp\b7b5418e3fa2d0e8acf86c37331b896c6a5f4b50bc85c76af6b70663ac55c3cc.tmp

Filesize
681KB

MD5
8e3e4508030c1ffdb0196309114eb841

SHA1
33656ec0c5b5ab8ce4ac566be0a95a96ec4ac40c

SHA256
6d9b3b086a0cd15c9fd32cf639c61e52d4d928d0112a7bb75e95f010e995dd2b

SHA512
6f16872abeb2de9ce3d881cf4b13778af03a305b068e99a8e59735bd4c13b5ad6f24a7aa44c2327cbfbb8351324ab85bb2157d719249fa29eb6f46061badffa4

Download Submit
\Users\Admin\AppData\Local\Temp\is-KEUU1.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-KEUU1.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1256-58-0x0000000000000000-mapping.dmp

Download
memory/1356-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download
memory/1356-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1356-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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