6b970780dc37530aaeed3d0e7b4b89d4c5ea6cff662cff96c854af48c3358409

Analysis

max time kernel
135s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
28-03-2022 19:06

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General

Target

6b970780dc37530aaeed3d0e7b4b89d4c5ea6cff662cff96c854af48c3358409.exe
Size

412KB
MD5

2b1b6ebad456e355b0bf36bc7c479e47
SHA1

16cb78a43f5b2372561807ca3a8fe3164499455e
SHA256

6b970780dc37530aaeed3d0e7b4b89d4c5ea6cff662cff96c854af48c3358409
SHA512

d9550ecda607bda498f0924ad90ed0c943948d8ab2aaaecba2f8167b4096e73d379c096dca2425d65252ab6b59a6dda0ed931d3120f0207fd0274c2fde89c26a

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2296	bydam.exe

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 6 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 2296	1032	6b970780dc37530aaeed3d0e7b4b89d4c5ea6cff662cff96c854af48c3358409.exe	79
PID 1032 wrote to memory of 2296	1032	6b970780dc37530aaeed3d0e7b4b89d4c5ea6cff662cff96c854af48c3358409.exe	79
PID 1032 wrote to memory of 2296	1032	6b970780dc37530aaeed3d0e7b4b89d4c5ea6cff662cff96c854af48c3358409.exe	79
PID 2296 wrote to memory of 2732	2296	bydam.exe	80
PID 2296 wrote to memory of 2732	2296	bydam.exe	80
PID 2296 wrote to memory of 2732	2296	bydam.exe	80

C:\Users\Admin\AppData\Local\Temp\6b970780dc37530aaeed3d0e7b4b89d4c5ea6cff662cff96c854af48c3358409.exe
"C:\Users\Admin\AppData\Local\Temp\6b970780dc37530aaeed3d0e7b4b89d4c5ea6cff662cff96c854af48c3358409.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Users\Admin\AppData\Local\Temp\bydam.exe
  C:\Users\Admin\AppData\Local\Temp\bydam.exe C:\Users\Admin\AppData\Local\Temp\iisac
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2296
- - C:\Users\Admin\AppData\Local\Temp\bydam.exe
    C:\Users\Admin\AppData\Local\Temp\bydam.exe C:\Users\Admin\AppData\Local\Temp\iisac
    3⤵
    PID:2732

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\bydam.exe

Filesize
5KB

MD5
1e5c6c0b4b2b0f1bf668ace9eae8de12

SHA1
36cf50ad565f6650ec53ea259ab25d2ac9c2dcfd

SHA256
345ef7d1ab9874cdb2d0422d73f4b5c0a62b3ef0804364bbaed6b0c3916514bb

SHA512
da3c55214b7ee8f2298bfa477655b3eb7651b7867c77c9ba40441a682701cfadb774d05d74575ce1d0355540ee01e9e68cbb1d3691615645bd01c3533ee1b70a

Download Submit
C:\Users\Admin\AppData\Local\Temp\bydam.exe

Filesize
5KB

MD5
1e5c6c0b4b2b0f1bf668ace9eae8de12

SHA1
36cf50ad565f6650ec53ea259ab25d2ac9c2dcfd

SHA256
345ef7d1ab9874cdb2d0422d73f4b5c0a62b3ef0804364bbaed6b0c3916514bb

SHA512
da3c55214b7ee8f2298bfa477655b3eb7651b7867c77c9ba40441a682701cfadb774d05d74575ce1d0355540ee01e9e68cbb1d3691615645bd01c3533ee1b70a

Download Submit
C:\Users\Admin\AppData\Local\Temp\iisac

Filesize
4KB

MD5
cfcebb0db1b4ff84229c09f334f29025

SHA1
74e123a90f128f9d9162d735a6fdaf34e8d7a895

SHA256
372972f349b36321827e4a7556d47199e0b3492ee562b42e7f6ca89d98f4f1c9

SHA512
573915da113a7ca242ff7a251c952ffdb815dcd2d9bcec362c3ec9bb1a845022d42a3a922ce530d2b22206b368687a684447f162c3001c087881cf5667a76f47

Download Submit
C:\Users\Admin\AppData\Local\Temp\z3gmcj2xc4j

Filesize
213KB

MD5
8f9b3b985747f9ec81e92e6c953c1f1d

SHA1
4ac1dfb7cf87fba38c250f0f005f3c3a68ba59e8

SHA256
f0b379af0dbfef4d02b809acb15be0ff67972f806ad60c9f276768c9830dca6b

SHA512
b17c03bf9c1852691ae2bb0d845cd6f5a77c6073b2b621826095c9db594545c531d641ac83e2ae97c6321afd0a0db596bda9f1e2e6a1052dcc5290c5f8b93ed3

Download Submit
memory/2296-135-0x0000000000FE0000-0x0000000000FE2000-memory.dmp

Filesize
8KB

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