nymaim | 6eb7bbf3284118bfa2ea895804a57f9a50c669df3668f0812db675c4a42ccb21

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24/08/2022, 16:50

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General

Target
SecuriteInfo.com.W32.AIDetect.malware1.11539.exe
Size 305KB
Sample220824-vb858agccq
SHA256 6eb7bbf3284118bfa2ea895804a57f9a50c669df3668f0812db675c4a42ccb21
MD5 0f467c24655f615557264a16c08a4ea3
SHA1 3125dc9ba9e5c5f0942b1555546993d3f1d7d622
SHA512 577abb25d826240cacdcf0ecba50d5f41aa569bddcca4fd3732dc7f51d4a480e46d6a207792523a4b03cb1b2016982d40596cdfa19554b840e2185916888196f
SSDEEP 6144:R0OxvZNgdyPW3Q7/G6+8MERt+mFYEYgKDJlE0BxuzbgwutiYQjT:R0Oxxydv32/G6rR4mF8lDbEqunnhYM
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nymaim trojan

Malware Config

Signatures

NyMaim
NyMaim is a malware with various capabilities written in C++ and first seen in 2013.
trojan nymaim

Deletes itself 1 IoCs

pid	Process
1760	cmd.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
1696	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1696	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 1760	1684	SecuriteInfo.com.W32.AIDetect.malware1.11539.exe	29
PID 1684 wrote to memory of 1760	1684	SecuriteInfo.com.W32.AIDetect.malware1.11539.exe	29
PID 1684 wrote to memory of 1760	1684	SecuriteInfo.com.W32.AIDetect.malware1.11539.exe	29
PID 1684 wrote to memory of 1760	1684	SecuriteInfo.com.W32.AIDetect.malware1.11539.exe	29
PID 1760 wrote to memory of 1696	1760	cmd.exe	31
PID 1760 wrote to memory of 1696	1760	cmd.exe	31
PID 1760 wrote to memory of 1696	1760	cmd.exe	31
PID 1760 wrote to memory of 1696	1760	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetect.malware1.11539.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetect.malware1.11539.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "SecuriteInfo.com.W32.AIDetect.malware1.11539.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetect.malware1.11539.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "SecuriteInfo.com.W32.AIDetect.malware1.11539.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1696

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

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Downloads

memory/1684-54-0x0000000076401000-0x0000000076403000-memory.dmp

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memory/1684-57-0x0000000000400000-0x00000000004AC000-memory.dmp

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memory/1684-56-0x0000000000220000-0x0000000000262000-memory.dmp

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memory/1684-55-0x000000000064A000-0x0000000000671000-memory.dmp

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memory/1684-59-0x000000000064A000-0x0000000000671000-memory.dmp

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memory/1684-60-0x0000000000400000-0x00000000004AC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads