nymaim | 6edbfc7e7b75d3980bb482fb25774db6410dbdc7689640b6e7a3ee7af4276f7f

Analysis

max time kernel
50s
max time network
68s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
30/10/2022, 20:31

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General

Target

6edbfc7e7b75d3980bb482fb25774db6410dbdc7689640b6e7a3ee7af4276f7f.exe
Size

355KB
MD5

414aa72d58f890d641f11039a2aeabca
SHA1

8cb4f7ceb4de2cc4ea7baf23b70077c4c9b2157b
SHA256

6edbfc7e7b75d3980bb482fb25774db6410dbdc7689640b6e7a3ee7af4276f7f
SHA512

1a4569460b8cdb503c317448aa806a2efa1b0231f5748435ff2f5dd65d1d36e8d43928c4c24eca8792e3a72527d91365b3b8cfeb126aaebb11dcfdea238a120f
SSDEEP

6144:pUoAwpLUVFPJ+x1sWmnczIIDvTMrpRB+OL408d0eKZ9JH7ITsq:pUa0VJfWfD4IO108t7

Score

10^/10

nymaim trojan

Malware Config

Extracted

Family

nymaim

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
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
5112	2492	WerFault.exe	65
3344	2492	WerFault.exe	65
4868	2492	WerFault.exe	65
2224	2492	WerFault.exe	65
3496	2492	WerFault.exe	65
4076	2492	WerFault.exe	65
4924	2492	WerFault.exe	65
1524	2492	WerFault.exe	65
3908	2492	WerFault.exe	65

Kills process with taskkill 1 IoCs

evasion

pid	Process
4456	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4456	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 3520	2492	6edbfc7e7b75d3980bb482fb25774db6410dbdc7689640b6e7a3ee7af4276f7f.exe	76
PID 2492 wrote to memory of 3520	2492	6edbfc7e7b75d3980bb482fb25774db6410dbdc7689640b6e7a3ee7af4276f7f.exe	76
PID 2492 wrote to memory of 3520	2492	6edbfc7e7b75d3980bb482fb25774db6410dbdc7689640b6e7a3ee7af4276f7f.exe	76
PID 3520 wrote to memory of 4456	3520	cmd.exe	78
PID 3520 wrote to memory of 4456	3520	cmd.exe	78
PID 3520 wrote to memory of 4456	3520	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\6edbfc7e7b75d3980bb482fb25774db6410dbdc7689640b6e7a3ee7af4276f7f.exe
"C:\Users\Admin\AppData\Local\Temp\6edbfc7e7b75d3980bb482fb25774db6410dbdc7689640b6e7a3ee7af4276f7f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 528
  2⤵
  - Program crash
  PID:5112
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 792
  2⤵
  - Program crash
  PID:3344
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 804
  2⤵
  - Program crash
  PID:4868
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 872
  2⤵
  - Program crash
  PID:2224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 912
  2⤵
  - Program crash
  PID:3496
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 980
  2⤵
  - Program crash
  PID:4076
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 1144
  2⤵
  - Program crash
  PID:4924
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 1160
  2⤵
  - Program crash
  PID:1524
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 1296
  2⤵
  - Program crash
  PID:3908
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "6edbfc7e7b75d3980bb482fb25774db6410dbdc7689640b6e7a3ee7af4276f7f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\6edbfc7e7b75d3980bb482fb25774db6410dbdc7689640b6e7a3ee7af4276f7f.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3520
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "6edbfc7e7b75d3980bb482fb25774db6410dbdc7689640b6e7a3ee7af4276f7f.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4456

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

memory/2492-120-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-121-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-122-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-123-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-124-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-126-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-125-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-128-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-129-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-130-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-131-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-132-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-133-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-134-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-135-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-136-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-137-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-138-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-139-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-140-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-141-0x0000000002C50000-0x0000000002CFE000-memory.dmp

Filesize
696KB

Download
memory/2492-143-0x0000000002FF0000-0x0000000003030000-memory.dmp

Filesize
256KB

Download
memory/2492-142-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-144-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-145-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-146-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-147-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-148-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-149-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-150-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-151-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-152-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-153-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-154-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-155-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-156-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-157-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-158-0x0000000000400000-0x0000000002C48000-memory.dmp

Filesize
40.3MB

Download
memory/2492-159-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-160-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-161-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-162-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-163-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-164-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-165-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-166-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-167-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-168-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-169-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-170-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-171-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-172-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-173-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-174-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-175-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-178-0x0000000002FF0000-0x0000000003030000-memory.dmp

Filesize
256KB

Download
memory/2492-182-0x0000000000400000-0x0000000002C48000-memory.dmp

Filesize
40.3MB

Download
memory/3520-177-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3520-180-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3520-181-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3520-179-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/3520-183-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4456-185-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4456-186-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4456-187-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4456-188-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4456-190-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4456-189-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/4456-191-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download