32228062aa03a89ff81e583c8e0bd85e22e62aece98aae8acb599bc4d73274b4

General

Target

94b5fa1a2db58a329dc07d59ecc2c1b0N.exe
Size

78KB
MD5

94b5fa1a2db58a329dc07d59ecc2c1b0
SHA1

85af51d70917ea12abc99fcf9d273924a7e792b6
SHA256

32228062aa03a89ff81e583c8e0bd85e22e62aece98aae8acb599bc4d73274b4
SHA512

927bdd2c59f644b10d2b7ce5d1268bcaa64c34864c1b1aaa196b19435294ba7d96ef391ebbb7c04f3124b901e8b95902f3283d88df4de862731838be2578c548
SSDEEP

1536:CtHY6M3xXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQtRt9/RW1jA:CtHYn3xSyRxvY3md+dWWZyRt9/5

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2840	tmp25C9.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2840	tmp25C9.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2208	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe
2208	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp25C9.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	tmp25C9.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe
Token: SeDebugPrivilege	2840	tmp25C9.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2852	2208	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe	30
PID 2208 wrote to memory of 2852	2208	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe	30
PID 2208 wrote to memory of 2852	2208	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe	30
PID 2208 wrote to memory of 2852	2208	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe	30
PID 2852 wrote to memory of 2704	2852	vbc.exe	32
PID 2852 wrote to memory of 2704	2852	vbc.exe	32
PID 2852 wrote to memory of 2704	2852	vbc.exe	32
PID 2852 wrote to memory of 2704	2852	vbc.exe	32
PID 2208 wrote to memory of 2840	2208	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe	33
PID 2208 wrote to memory of 2840	2208	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe	33
PID 2208 wrote to memory of 2840	2208	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe	33
PID 2208 wrote to memory of 2840	2208	94b5fa1a2db58a329dc07d59ecc2c1b0N.exe	33

C:\Users\Admin\AppData\Local\Temp\94b5fa1a2db58a329dc07d59ecc2c1b0N.exe
"C:\Users\Admin\AppData\Local\Temp\94b5fa1a2db58a329dc07d59ecc2c1b0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208
- 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\z7oj0-zv.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2852
- - 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\RES2721.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc2720.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2704
- C:\Users\Admin\AppData\Local\Temp\tmp25C9.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp25C9.tmp.exe" C:\Users\Admin\AppData\Local\Temp\94b5fa1a2db58a329dc07d59ecc2c1b0N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

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

Scripting

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\RES2721.tmp

Filesize
1KB

MD5
066aecc588521a85550d7992735a6b77

SHA1
4739850bcd47db5a17689d64cce6645be0577a90

SHA256
edf7d012238ded16a317d0cc23393b9246f5860597e48966081f0f14e7c8d603

SHA512
213ac9d5b7ca3cb5ffbcfe2b45ac6615239734a57888b76c2794ca31c3aca09e08dce289061b1865572d3a62def2d92e38565029be9f8b542584fbaf63d962c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp25C9.tmp.exe

Filesize
78KB

MD5
b4645918b0864263b65a92d465e1ff63

SHA1
02fa574106b784f78ab3266a67cce677a549b94e

SHA256
07797396fbc838eb0c3171959ec02236912ccf767040cd28733f8c07e1b331ac

SHA512
e782a412ecfad7d94c9aa400ea5edb9c1b6f9f4aa18c9c110b98ad6570eece886e35bb13710b319edbccc52a498300150a20cd9e84d3b2e84c52ec70fb2a5137

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc2720.tmp

Filesize
660B

MD5
9069b7300823e3eaa33d586de83887ba

SHA1
f01028d5eddb5b8df13cce709f7be815de7d7bf3

SHA256
016cf662ab8ed0ad38933ec60e79b48b9c78fc94ab499c75c568decdde725a59

SHA512
868f2eb891835d5c267770b37110d2d72ba1fb80545c016d085f708dc8783d013e0d76e0a984e3253d0396c84bed72091aa7b789b73f5e0a06e3e43cb4a6ac8e

Download Submit
C:\Users\Admin\AppData\Local\Temp\z7oj0-zv.0.vb

Filesize
15KB

MD5
83511a2bf54d406c7e55c60e1896ef2a

SHA1
ff8a60b62b312f4fb72126dde2afae9fcb04bdc1

SHA256
fbb537c11a1e86e53ca1f9b28742866299e6004d9b430a478ccfa319df727829

SHA512
aeb2726aeee2573ea0c1d3c716e8327b48138fcdad04eb883e23c18d5e3b866d000d2d0c93ae28e42220df4baa3c2c3e3f41826314b3cefd71333a506d3d1e81

Download Submit
C:\Users\Admin\AppData\Local\Temp\z7oj0-zv.cmdline

Filesize
266B

MD5
9c923d265790186ec6014eda4f672ccd

SHA1
2a3314b56dba918b6c552c3e7678c7e9a922bf80

SHA256
b75ed97114a1f82711935ad42955c7b07814710f1fe153877f1eaf6999682c1f

SHA512
980ed8bbca59d95cb3af1853c34783b45c5bee364c4733eb6fea3001b60b640105a416b6af0c04869fce27047962e699c19d417208d0bd8b88d40f01c0c42ea6

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/2208-0-0x0000000074501000-0x0000000074502000-memory.dmp

Filesize
4KB

Download
memory/2208-1-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/2208-2-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/2208-23-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/2852-8-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/2852-18-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads