cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842

General

Target

cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe
Size

78KB
MD5

794f6ac4345e8e89b7dee7276654a190
SHA1

ffd2a50541d35461d2f4e0ae7d6964a9e77fd20b
SHA256

cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842
SHA512

a8f42f271cce26aa7d5918d89cb22e95ed267fa26076068a87f59b36ef4e3f4a1a5c8fdf7ec42771e7d3c1895b9c6c67e3e14a1b007d33b1a8b3d6fa0e5b58e2
SSDEEP

1536:vWV5jSJXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQtN609/Bs1T/:vWV5jS5SyRxvY3md+dWWZyf9/w

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3048	tmp57D.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2348	cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe
2348	cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp57D.tmp.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp57D.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe
Token: SeDebugPrivilege	3048	tmp57D.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2596	2348	cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe	29
PID 2348 wrote to memory of 2596	2348	cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe	29
PID 2348 wrote to memory of 2596	2348	cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe	29
PID 2348 wrote to memory of 2596	2348	cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe	29
PID 2596 wrote to memory of 2860	2596	vbc.exe	31
PID 2596 wrote to memory of 2860	2596	vbc.exe	31
PID 2596 wrote to memory of 2860	2596	vbc.exe	31
PID 2596 wrote to memory of 2860	2596	vbc.exe	31
PID 2348 wrote to memory of 3048	2348	cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe	32
PID 2348 wrote to memory of 3048	2348	cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe	32
PID 2348 wrote to memory of 3048	2348	cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe	32
PID 2348 wrote to memory of 3048	2348	cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe	32

C:\Users\Admin\AppData\Local\Temp\cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe
"C:\Users\Admin\AppData\Local\Temp\cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\epfcd0hq.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES677.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc667.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2860
- C:\Users\Admin\AppData\Local\Temp\tmp57D.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp57D.tmp.exe" C:\Users\Admin\AppData\Local\Temp\cb9aa29fc2138de807891b529a07ce61d2ec32ec63176b463fed5425af5bf842N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES677.tmp

Filesize
1KB

MD5
33f6a8effed3c66c97a21c07c34fc05d

SHA1
3bfa5c3acefaff9b0cdb1bdd6a0801245dc0a87f

SHA256
5d171e695ac848ac9c1fffeccc7cbc39ea4f8f98abdc30c4548fb6f5ba6c0ec0

SHA512
7ef64739454eccd32d85cdce9771a13699809e14d84df95c111cfa71154a085b7740e5d8ba7f7ede8fc295b5bc9537d416795d85565ed6c581f79b9c6c57124e

Download Submit
C:\Users\Admin\AppData\Local\Temp\epfcd0hq.0.vb

Filesize
14KB

MD5
8fd3a46f6b11cfc8414f9849036caf24

SHA1
27581f1184b83ac17b1e18c8609dbc84e2b2d4a0

SHA256
e920bd0b542c8402bd8587dde17488db32029219e1531d4f5ee6f44a0e794096

SHA512
b72a917952f29f81c4cd9afda37155dd1711e8ebd1b5da6cada8c33ade7a6a146dbc0a9e898add5c5f441db736588d5e5af76d0ca4878cf60357d5ac9a3f01cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\epfcd0hq.cmdline

Filesize
265B

MD5
6c6099ed861662c136a479bd4579a1a6

SHA1
a487dc886573508efb24a45795ef04234ca12dc0

SHA256
1b02411615d18512306379971b67c9b23baddbfe274929abfbad1d35d4acddab

SHA512
37bba97e62894b28228c50ad4fb1e3fd735a262e668986875020b6c8d32818366dc5e9a688ec122946df0edf49f70dd5ae071eaf1849425bc2ada06ced4b8b90

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp57D.tmp.exe

Filesize
78KB

MD5
d92f09835625e65b1f8f2f89ad371e2f

SHA1
09e0dd224350888bf21a2b6596733c04a18739c0

SHA256
235af71907af88106395dead0cc5d1a55e06761c3435d84afe8487cf0a106c63

SHA512
268832a111c408d940f8748da054731e0a87bd24e00ae65715505982fb2e426fc39f52b77e5ceb311cec53410488c431634eebc2109f2a86de60085d25587f0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc667.tmp

Filesize
660B

MD5
5b5d83eb6d6a52aaba80715570b9a960

SHA1
2339aab50b9c1cdd27c40d48b5b31764e240f392

SHA256
888b0707ef34a8e75586d6f7e5bfcd3605656fcebb289eb24004839b8af3af05

SHA512
39da87542d129b52d373d8780bc4efd6fb0c5f89b8ec45efa56dee31788797344b256da7a0e34e52bf2e0b308ac6f79f0e37e9ee52400343e2e9224fb160effc

Download Submit
C:\Users\Admin\AppData\Local\Temp\zCom.resources

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/2348-0-0x0000000074581000-0x0000000074582000-memory.dmp

Filesize
4KB

Download
memory/2348-1-0x0000000074580000-0x0000000074B2B000-memory.dmp

Filesize
5.7MB

Download
memory/2348-2-0x0000000074580000-0x0000000074B2B000-memory.dmp

Filesize
5.7MB

Download
memory/2348-24-0x0000000074580000-0x0000000074B2B000-memory.dmp

Filesize
5.7MB

Download
memory/2596-8-0x0000000074580000-0x0000000074B2B000-memory.dmp

Filesize
5.7MB

Download
memory/2596-18-0x0000000074580000-0x0000000074B2B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads