nymaim | f21083af0d6dc01f9b3cc77b8e84301e67755879f97f81b842c6a4732ea6ccb4

General

Target

014445a124470594d7a5dd08add6829113337b2923d8ebd730fcb4b5f551954d.exe
Size

305KB
MD5

a39bd865d6df97f9f541a76ff327ef72
SHA1

e9d5703070f46de97465e91453da6bb9cdd30862
SHA256

014445a124470594d7a5dd08add6829113337b2923d8ebd730fcb4b5f551954d
SHA512

d79e1c8b7d1534fa0080511e8748590831ac016fa908c05e5cd97837ef4c5ff981f83445a36acddf787fda554e6586f00ca6c37a9f651f5421d03322b9c0bd12
SSDEEP

6144:7STmTNLwS0eZbNFsFhZSf3H2wNffWMGsRXcTG1Y4:7STCNMpezgEH2wN3JGrc

Score

10^/10

nymaim trojan

Malware Config

Extracted

Family

nymaim

C2

45.139.105.171

85.31.46.167

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	014445a124470594d7a5dd08add6829113337b2923d8ebd730fcb4b5f551954d.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 10 IoCs

pid	pid_target	Process	procid_target
4872	3144	WerFault.exe	76
1132	3144	WerFault.exe	76
2500	3144	WerFault.exe	76
4212	3144	WerFault.exe	76
912	3144	WerFault.exe	76
116	3144	WerFault.exe	76
4328	3144	WerFault.exe	76
2740	3144	WerFault.exe	76
3056	3144	WerFault.exe	76
3240	3144	WerFault.exe	76

Kills process with taskkill 1 IoCs

evasion

pid	Process
3132	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3132	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 1512	3144	014445a124470594d7a5dd08add6829113337b2923d8ebd730fcb4b5f551954d.exe	109
PID 3144 wrote to memory of 1512	3144	014445a124470594d7a5dd08add6829113337b2923d8ebd730fcb4b5f551954d.exe	109
PID 3144 wrote to memory of 1512	3144	014445a124470594d7a5dd08add6829113337b2923d8ebd730fcb4b5f551954d.exe	109
PID 1512 wrote to memory of 3132	1512	cmd.exe	113
PID 1512 wrote to memory of 3132	1512	cmd.exe	113
PID 1512 wrote to memory of 3132	1512	cmd.exe	113

C:\Users\Admin\AppData\Local\Temp\014445a124470594d7a5dd08add6829113337b2923d8ebd730fcb4b5f551954d.exe
"C:\Users\Admin\AppData\Local\Temp\014445a124470594d7a5dd08add6829113337b2923d8ebd730fcb4b5f551954d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3144
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 456
  2⤵
  - Program crash
  PID:4872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 772
  2⤵
  - Program crash
  PID:1132
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 780
  2⤵
  - Program crash
  PID:2500
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 824
  2⤵
  - Program crash
  PID:4212
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 780
  2⤵
  - Program crash
  PID:912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 928
  2⤵
  - Program crash
  PID:116
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 1004
  2⤵
  - Program crash
  PID:4328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 1032
  2⤵
  - Program crash
  PID:2740
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 1384
  2⤵
  - Program crash
  PID:3056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "014445a124470594d7a5dd08add6829113337b2923d8ebd730fcb4b5f551954d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\014445a124470594d7a5dd08add6829113337b2923d8ebd730fcb4b5f551954d.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1512
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "014445a124470594d7a5dd08add6829113337b2923d8ebd730fcb4b5f551954d.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3132
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3144 -s 1408
  2⤵
  - Program crash
  PID:3240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 3144 -ip 3144
1⤵
PID:4880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3144 -ip 3144
1⤵
PID:4612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3144 -ip 3144
1⤵
PID:836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3144 -ip 3144
1⤵
PID:1392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3144 -ip 3144
1⤵
PID:1776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3144 -ip 3144
1⤵
PID:396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3144 -ip 3144
1⤵
PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3144 -ip 3144
1⤵
PID:3460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3144 -ip 3144
1⤵
PID:4480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3144 -ip 3144
1⤵
PID:3532

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3144-132-0x0000000000768000-0x000000000078F000-memory.dmp

Filesize
156KB

Download
memory/3144-133-0x0000000000700000-0x0000000000740000-memory.dmp

Filesize
256KB

Download
memory/3144-134-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/3144-135-0x0000000000768000-0x000000000078F000-memory.dmp

Filesize
156KB

Download
memory/3144-136-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download
memory/3144-139-0x0000000000768000-0x000000000078F000-memory.dmp

Filesize
156KB

Download
memory/3144-140-0x0000000000400000-0x00000000005AA000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing