72af55199bbf118b2245e6ccc487dad227fd471c8f47773de26031e9f40a4ef7

Analysis

max time kernel
83s
max time network
144s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
05/01/2024, 12:51

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General

Target

43ba53c5d99ac5d6742e9eb7812e3872.exe
Size

262KB
MD5

43ba53c5d99ac5d6742e9eb7812e3872
SHA1

5ced7bd1d6aea7c988a851b8c6363debd22df2e6
SHA256

72af55199bbf118b2245e6ccc487dad227fd471c8f47773de26031e9f40a4ef7
SHA512

89afa93f5dff37eb1f6dff2e9f6f695bd0aa8259464b6bf252c00c8cb5337da4e58d8a49d9b321a17cbe696b0e6d13c519d42ccc12f259a8cbd3416da4ad5f00
SSDEEP

6144:0R8Gp+df0afmVTRMd1dpn94sLrNXel9Sb98+MAYo:08YkfXf4TRM/94svNuzSb9Zd

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1992	waimf.exe

Loads dropped DLL 1 IoCs

pid	Process
2188	43ba53c5d99ac5d6742e9eb7812e3872.exe

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-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\{334A3548-CEF1-AD4E-EADF-D61AC06FF507} = "C:\\Users\\Admin\\AppData\\Roaming\\Ojif\\waimf.exe"	waimf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2188 set thread context of 2408	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe	14

Program crash 1 IoCs

pid	pid_target	Process	procid_target
112	2408	WerFault.exe	14

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Privacy	43ba53c5d99ac5d6742e9eb7812e3872.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	43ba53c5d99ac5d6742e9eb7812e3872.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe
1992	waimf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe
Token: SeSecurityPrivilege	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe
Token: SeSecurityPrivilege	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2188	43ba53c5d99ac5d6742e9eb7812e3872.exe
1992	waimf.exe

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 1992	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe	17
PID 2188 wrote to memory of 1992	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe	17
PID 2188 wrote to memory of 1992	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe	17
PID 2188 wrote to memory of 1992	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe	17
PID 1992 wrote to memory of 1116	1992	waimf.exe	26
PID 1992 wrote to memory of 1116	1992	waimf.exe	26
PID 1992 wrote to memory of 1116	1992	waimf.exe	26
PID 1992 wrote to memory of 1116	1992	waimf.exe	26
PID 1992 wrote to memory of 1116	1992	waimf.exe	26
PID 1992 wrote to memory of 1188	1992	waimf.exe	25
PID 1992 wrote to memory of 1188	1992	waimf.exe	25
PID 1992 wrote to memory of 1188	1992	waimf.exe	25
PID 1992 wrote to memory of 1188	1992	waimf.exe	25
PID 1992 wrote to memory of 1188	1992	waimf.exe	25
PID 1992 wrote to memory of 1264	1992	waimf.exe	24
PID 1992 wrote to memory of 1264	1992	waimf.exe	24
PID 1992 wrote to memory of 1264	1992	waimf.exe	24
PID 1992 wrote to memory of 1264	1992	waimf.exe	24
PID 1992 wrote to memory of 1264	1992	waimf.exe	24
PID 1992 wrote to memory of 2536	1992	waimf.exe	22
PID 1992 wrote to memory of 2536	1992	waimf.exe	22
PID 1992 wrote to memory of 2536	1992	waimf.exe	22
PID 1992 wrote to memory of 2536	1992	waimf.exe	22
PID 1992 wrote to memory of 2536	1992	waimf.exe	22
PID 1992 wrote to memory of 2188	1992	waimf.exe	18
PID 1992 wrote to memory of 2188	1992	waimf.exe	18
PID 1992 wrote to memory of 2188	1992	waimf.exe	18
PID 1992 wrote to memory of 2188	1992	waimf.exe	18
PID 1992 wrote to memory of 2188	1992	waimf.exe	18
PID 2188 wrote to memory of 2408	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe	14
PID 2188 wrote to memory of 2408	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe	14
PID 2188 wrote to memory of 2408	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe	14
PID 2188 wrote to memory of 2408	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe	14
PID 2188 wrote to memory of 2408	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe	14
PID 2188 wrote to memory of 2408	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe	14
PID 2188 wrote to memory of 2408	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe	14
PID 2188 wrote to memory of 2408	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe	14
PID 2188 wrote to memory of 2408	2188	43ba53c5d99ac5d6742e9eb7812e3872.exe	14
PID 2408 wrote to memory of 112	2408	cmd.exe	15
PID 2408 wrote to memory of 112	2408	cmd.exe	15
PID 2408 wrote to memory of 112	2408	cmd.exe	15
PID 2408 wrote to memory of 112	2408	cmd.exe	15
PID 1992 wrote to memory of 1108	1992	waimf.exe	16
PID 1992 wrote to memory of 1108	1992	waimf.exe	16
PID 1992 wrote to memory of 1108	1992	waimf.exe	16
PID 1992 wrote to memory of 1108	1992	waimf.exe	16
PID 1992 wrote to memory of 1108	1992	waimf.exe	16
PID 1992 wrote to memory of 112	1992	waimf.exe	15
PID 1992 wrote to memory of 112	1992	waimf.exe	15
PID 1992 wrote to memory of 112	1992	waimf.exe	15
PID 1992 wrote to memory of 112	1992	waimf.exe	15
PID 1992 wrote to memory of 112	1992	waimf.exe	15

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpbae0b5d2.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 116
  2⤵
  - Program crash
  PID:112

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "357441814-1236912973-1623213981443846132472493844-95648339-2060271942558209117"
1⤵
PID:1108

C:\Users\Admin\AppData\Roaming\Ojif\waimf.exe
"C:\Users\Admin\AppData\Roaming\Ojif\waimf.exe"
1⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1992

C:\Users\Admin\AppData\Local\Temp\43ba53c5d99ac5d6742e9eb7812e3872.exe
"C:\Users\Admin\AppData\Local\Temp\43ba53c5d99ac5d6742e9eb7812e3872.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2188

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2536

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1264

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1188

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/112-293-0x00000000009E0000-0x00000000009E1000-memory.dmp

Filesize
4KB

Download
memory/112-299-0x0000000000A60000-0x0000000000AA1000-memory.dmp

Filesize
260KB

Download
memory/112-228-0x0000000000A60000-0x0000000000AA1000-memory.dmp

Filesize
260KB

Download
memory/112-229-0x0000000077C70000-0x0000000077C71000-memory.dmp

Filesize
4KB

Download
memory/1116-23-0x0000000001D20000-0x0000000001D61000-memory.dmp

Filesize
260KB

Download
memory/1116-27-0x0000000001D20000-0x0000000001D61000-memory.dmp

Filesize
260KB

Download
memory/1116-25-0x0000000001D20000-0x0000000001D61000-memory.dmp

Filesize
260KB

Download
memory/1116-20-0x0000000001D20000-0x0000000001D61000-memory.dmp

Filesize
260KB

Download
memory/1116-17-0x0000000001D20000-0x0000000001D61000-memory.dmp

Filesize
260KB

Download
memory/1188-31-0x00000000001B0000-0x00000000001F1000-memory.dmp

Filesize
260KB

Download
memory/1188-37-0x00000000001B0000-0x00000000001F1000-memory.dmp

Filesize
260KB

Download
memory/1188-35-0x00000000001B0000-0x00000000001F1000-memory.dmp

Filesize
260KB

Download
memory/1188-33-0x00000000001B0000-0x00000000001F1000-memory.dmp

Filesize
260KB

Download
memory/1264-42-0x0000000002990000-0x00000000029D1000-memory.dmp

Filesize
260KB

Download
memory/1264-43-0x0000000002990000-0x00000000029D1000-memory.dmp

Filesize
260KB

Download
memory/1264-40-0x0000000002990000-0x00000000029D1000-memory.dmp

Filesize
260KB

Download
memory/1264-41-0x0000000002990000-0x00000000029D1000-memory.dmp

Filesize
260KB

Download
memory/1992-21-0x00000000004C0000-0x0000000000501000-memory.dmp

Filesize
260KB

Download
memory/1992-296-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1992-19-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1992-16-0x0000000001C40000-0x0000000001C85000-memory.dmp

Filesize
276KB

Download
memory/1992-14-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1992-297-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2188-76-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2188-11-0x0000000001DB0000-0x0000000001DF5000-memory.dmp

Filesize
276KB

Download
memory/2188-62-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2188-60-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2188-58-0x0000000001DB0000-0x0000000001DF1000-memory.dmp

Filesize
260KB

Download
memory/2188-57-0x0000000001DB0000-0x0000000001DF1000-memory.dmp

Filesize
260KB

Download
memory/2188-56-0x0000000001DB0000-0x0000000001DF1000-memory.dmp

Filesize
260KB

Download
memory/2188-55-0x0000000001DB0000-0x0000000001DF1000-memory.dmp

Filesize
260KB

Download
memory/2188-2-0x0000000000320000-0x0000000000365000-memory.dmp

Filesize
276KB

Download
memory/2188-6-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2188-5-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2188-59-0x0000000001DB0000-0x0000000001DF1000-memory.dmp

Filesize
260KB

Download
memory/2188-66-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2188-68-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2188-70-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2188-72-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2188-74-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2188-177-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2188-178-0x0000000000320000-0x0000000000365000-memory.dmp

Filesize
276KB

Download
memory/2188-179-0x0000000000280000-0x00000000002C1000-memory.dmp

Filesize
260KB

Download
memory/2188-180-0x0000000001DB0000-0x0000000001DF1000-memory.dmp

Filesize
260KB

Download
memory/2188-1-0x0000000000280000-0x00000000002C1000-memory.dmp

Filesize
260KB

Download
memory/2188-78-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2188-80-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2188-154-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2188-65-0x0000000077C70000-0x0000000077C71000-memory.dmp

Filesize
4KB

Download
memory/2188-4-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2188-3-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2188-0-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2188-82-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2188-63-0x0000000001DB0000-0x0000000001DF1000-memory.dmp

Filesize
260KB

Download
memory/2536-46-0x0000000001D00000-0x0000000001D41000-memory.dmp

Filesize
260KB

Download
memory/2536-48-0x0000000001D00000-0x0000000001D41000-memory.dmp

Filesize
260KB

Download
memory/2536-50-0x0000000001D00000-0x0000000001D41000-memory.dmp

Filesize
260KB

Download
memory/2536-52-0x0000000001D00000-0x0000000001D41000-memory.dmp

Filesize
260KB

Download