nymaim | 6eb7bbf3284118bfa2ea895804a57f9a50c669df3668f0812db675c4a42ccb21

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	SecuriteInfo.com.W32.AIDetect.malware1.11539.exe

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

System Information Discovery
T1082

Program crash 9 IoCs

pid	pid_target	Process	procid_target
4360	4824	WerFault.exe	82
2040	4824	WerFault.exe	82
1124	4824	WerFault.exe	82
2668	4824	WerFault.exe	82
1604	4824	WerFault.exe	82
3356	4824	WerFault.exe	82
1540	4824	WerFault.exe	82
3016	4824	WerFault.exe	82
3712	4824	WerFault.exe	82

Kills process with taskkill 1 IoCs

evasion

pid	Process
4952	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4952	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 3628	4824	SecuriteInfo.com.W32.AIDetect.malware1.11539.exe	102
PID 4824 wrote to memory of 3628	4824	SecuriteInfo.com.W32.AIDetect.malware1.11539.exe	102
PID 4824 wrote to memory of 3628	4824	SecuriteInfo.com.W32.AIDetect.malware1.11539.exe	102
PID 3628 wrote to memory of 4952	3628	cmd.exe	104
PID 3628 wrote to memory of 4952	3628	cmd.exe	104
PID 3628 wrote to memory of 4952	3628	cmd.exe	104

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⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4824
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 452
  2⤵
  - Program crash
  PID:4360
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 772
  2⤵
  - Program crash
  PID:2040
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 780
  2⤵
  - Program crash
  PID:1124
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 780
  2⤵
  - Program crash
  PID:2668
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 784
  2⤵
  - Program crash
  PID:1604
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 928
  2⤵
  - Program crash
  PID:3356
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 932
  2⤵
  - Program crash
  PID:1540
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 1044
  2⤵
  - Program crash
  PID:3016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 1132
  2⤵
  - Program crash
  PID:3712
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:3628
- - 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:4952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4824 -ip 4824
1⤵
PID:5076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4824 -ip 4824
1⤵
PID:2076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4824 -ip 4824
1⤵
PID:1640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4824 -ip 4824
1⤵
PID:2332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4824 -ip 4824
1⤵
PID:1420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4824 -ip 4824
1⤵
PID:1784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4824 -ip 4824
1⤵
PID:212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4824 -ip 4824
1⤵
PID:1512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4824 -ip 4824
1⤵
PID:1280

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4824-132-0x0000000000697000-0x00000000006BE000-memory.dmp

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memory/4824-133-0x0000000000600000-0x0000000000642000-memory.dmp

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memory/4824-134-0x0000000000400000-0x00000000004AC000-memory.dmp

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memory/4824-136-0x0000000000697000-0x00000000006BE000-memory.dmp

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memory/4824-137-0x0000000000400000-0x00000000004AC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads